From 74b93eaf566473877490d21906c17bbce6950e44 Mon Sep 17 00:00:00 2001
From: Pascal Thomet <pthomet@gmail.com>
Date: Thu, 14 Dec 2023 22:58:04 +0100
Subject: [PATCH] Work on pimpl_my_class doc

---
 docs/litgen_book/.buildinfo                   |   2 +-
 docs/litgen_book/01_05_05_online.html         |  50 +-
 docs/litgen_book/01_10_00_first_steps.html    | 210 +++----
 docs/litgen_book/02_00_00_options.html        |  34 +-
 docs/litgen_book/02_05_00_headers.html        | 114 ++--
 docs/litgen_book/03_05_00_code_layout.html    |  34 +-
 .../04_05_00_names_translation.html           | 114 ++--
 docs/litgen_book/05_05_00_functions.html      | 546 +++++++++---------
 docs/litgen_book/06_05_00_classes.html        | 430 +++++++-------
 docs/litgen_book/07_05_00_enums.html          |  90 +--
 docs/litgen_book/07_05_00_templates.html      |  86 +--
 docs/litgen_book/08_05_00_namespaces.html     |  30 +-
 docs/litgen_book/09_05_00_preprocessor.html   |  66 +--
 .../litgen_book/10_05_00_ignore_warnings.html |  34 +-
 .../litgen_book/11_05_00_post_processing.html |  34 +-
 docs/litgen_book/12_05_00_srcml_issues.html   |  68 ++-
 docs/litgen_book/20_00_00_cpp_intro.html      |   2 +-
 .../20_05_00_cpp_simple_transformations.html  |  34 +-
 docs/litgen_book/20_10_00_pimpl_my_class.html | 114 ++--
 docs/litgen_book/20_15_00_pimpl_online.html   |  34 +-
 .../_sources/12_05_00_srcml_issues.md         |  50 +-
 docs/litgen_book/searchindex.js               |   2 +-
 litgen-book/12_05_00_srcml_issues.md          |  48 +-
 litgen-book/_config.yml                       |   2 +-
 packages/litgen/Readme.md                     |  38 --
 25 files changed, 1189 insertions(+), 1077 deletions(-)
 delete mode 100644 packages/litgen/Readme.md

diff --git a/docs/litgen_book/.buildinfo b/docs/litgen_book/.buildinfo
index f6b38adf..30900635 100644
--- a/docs/litgen_book/.buildinfo
+++ b/docs/litgen_book/.buildinfo
@@ -1,4 +1,4 @@
 # Sphinx build info version 1
 # This file hashes the configuration used when building these files. When it is not found, a full rebuild will be done.
-config: 0f54fe0f8640c68fa5ba6bcec04199d9
+config: 92d93191a82c67a0864aa1d0f9434b69
 tags: 645f666f9bcd5a90fca523b33c5a78b7
diff --git a/docs/litgen_book/01_05_05_online.html b/docs/litgen_book/01_05_05_online.html
index 3729db6c..780ffbe2 100644
--- a/docs/litgen_book/01_05_05_online.html
+++ b/docs/litgen_book/01_05_05_online.html
@@ -257,7 +257,7 @@
       
       
       
-      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/packages/litgen/litgen-book/01_05_05_online.ipynb" target="_blank"
+      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/litgen-book/01_05_05_online.ipynb" target="_blank"
    class="btn btn-sm dropdown-item"
    title="Launch onBinder"
    data-bs-placement="left" data-bs-toggle="tooltip"
@@ -558,7 +558,7 @@ <h1>Use litgen online<a class="headerlink" href="#use-litgen-online" title="Perm
 </style>
 
     <script>
-       function copy_code_1702590480842_062() {
+       function copy_code_1702591028828_753() {
             let code = `####################    <generated_from:BoxedTypes>    ####################
 class BoxedBool:
     value: bool
@@ -628,10 +628,10 @@ <h1>Use litgen online<a class="headerlink" href="#use-litgen-online" title="Perm
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590480842_062_2" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590480842_062_2">
+    <button class="collapsible_header" id="btn_1702591028828_753_2" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591028828_753_2">
         <div>
-                <button onclick="copy_code_1702590480842_062()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591028828_753()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -773,10 +773,10 @@ <h1>Use litgen online<a class="headerlink" href="#use-litgen-online" title="Perm
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590480842_062_2");
+    var button = document.getElementById("btn_1702591028828_753_2");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590480842_062_2");
+        var content = document.getElementById("content_1702591028828_753_2");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -786,9 +786,9 @@ <h1>Use litgen online<a class="headerlink" href="#use-litgen-online" title="Perm
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590480842_062_2");
+            var collapsible_header = document.getElementById("btn_1702591028828_753_2");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590480842_062_2");
+            var collapsible_content = document.getElementById("content_1702591028828_753_2");
             collapsible_content.style.maxHeight = "80em";
             </script>
             <br/>
@@ -837,7 +837,7 @@ <h1>Use litgen online<a class="headerlink" href="#use-litgen-online" title="Perm
 </style>
 
     <script>
-       function copy_code_1702590480825_353() {
+       function copy_code_1702591028811_9949() {
             let code = `////////////////////    <generated_from:BoxedTypes>    ////////////////////
 auto pyClassBoxedBool =
     py::class_<BoxedBool>
@@ -915,10 +915,10 @@ <h1>Use litgen online<a class="headerlink" href="#use-litgen-online" title="Perm
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590480825_353_0" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590480825_353_0">
+    <button class="collapsible_header" id="btn_1702591028811_9949_0" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591028811_9949_0">
         <div>
-                <button onclick="copy_code_1702590480825_353()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591028811_9949()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1068,10 +1068,10 @@ <h1>Use litgen online<a class="headerlink" href="#use-litgen-online" title="Perm
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590480825_353_0");
+    var button = document.getElementById("btn_1702591028811_9949_0");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590480825_353_0");
+        var content = document.getElementById("content_1702591028811_9949_0");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1081,9 +1081,9 @@ <h1>Use litgen online<a class="headerlink" href="#use-litgen-online" title="Perm
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590480825_353_0");
+            var collapsible_header = document.getElementById("btn_1702591028811_9949_0");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590480825_353_0");
+            var collapsible_content = document.getElementById("content_1702591028811_9949_0");
             collapsible_content.style.maxHeight = "80em";
             </script>
             <br/>
@@ -1132,7 +1132,7 @@ <h1>Use litgen online<a class="headerlink" href="#use-litgen-online" title="Perm
 </style>
 
     <script>
-       function copy_code_1702590480825_9158() {
+       function copy_code_1702591028812_564() {
             let code = `struct BoxedBool
 {
     bool value;
@@ -1143,10 +1143,10 @@ <h1>Use litgen online<a class="headerlink" href="#use-litgen-online" title="Perm
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590480825_9158_1" >C++ glue code</button>
-    <div class="collapsible_content" id="content_1702590480825_9158_1">
+    <button class="collapsible_header" id="btn_1702591028812_564_1" >C++ glue code</button>
+    <div class="collapsible_content" id="content_1702591028812_564_1">
         <div>
-                <button onclick="copy_code_1702590480825_9158()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591028812_564()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1229,10 +1229,10 @@ <h1>Use litgen online<a class="headerlink" href="#use-litgen-online" title="Perm
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590480825_9158_1");
+    var button = document.getElementById("btn_1702591028812_564_1");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590480825_9158_1");
+        var content = document.getElementById("content_1702591028812_564_1");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1242,9 +1242,9 @@ <h1>Use litgen online<a class="headerlink" href="#use-litgen-online" title="Perm
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590480825_9158_1");
+            var collapsible_header = document.getElementById("btn_1702591028812_564_1");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590480825_9158_1");
+            var collapsible_content = document.getElementById("content_1702591028812_564_1");
             collapsible_content.style.maxHeight = "80em";
             </script>
             </div></div>
diff --git a/docs/litgen_book/01_10_00_first_steps.html b/docs/litgen_book/01_10_00_first_steps.html
index 21a511c9..c400cc58 100644
--- a/docs/litgen_book/01_10_00_first_steps.html
+++ b/docs/litgen_book/01_10_00_first_steps.html
@@ -257,7 +257,7 @@
       
       
       
-      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/packages/litgen/litgen-book/01_10_00_first_steps.ipynb" target="_blank"
+      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/litgen-book/01_10_00_first_steps.ipynb" target="_blank"
    class="btn btn-sm dropdown-item"
    title="Launch onBinder"
    data-bs-placement="left" data-bs-toggle="tooltip"
@@ -538,7 +538,7 @@ <h2>Generate bindings for functions<a class="headerlink" href="#generate-binding
 </style>
 
     <script>
-       function copy_code_1702590481865_687() {
+       function copy_code_1702591029862_9792() {
             let code = `
 # Mathematic operations
 
@@ -553,10 +553,10 @@ <h2>Generate bindings for functions<a class="headerlink" href="#generate-binding
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590481865_687_0" ></button>
-    <div class="collapsible_content" id="content_1702590481865_687_0">
+    <button class="collapsible_header" id="btn_1702591029862_9792_0" ></button>
+    <div class="collapsible_content" id="content_1702591029862_9792_0">
         <div>
-                <button onclick="copy_code_1702590481865_687()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591029862_9792()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -642,10 +642,10 @@ <h2>Generate bindings for functions<a class="headerlink" href="#generate-binding
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590481865_687_0");
+    var button = document.getElementById("btn_1702591029862_9792_0");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590481865_687_0");
+        var content = document.getElementById("content_1702591029862_9792_0");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -655,9 +655,9 @@ <h2>Generate bindings for functions<a class="headerlink" href="#generate-binding
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590481865_687_0");
+            var collapsible_header = document.getElementById("btn_1702591029862_9792_0");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590481865_687_0");
+            var collapsible_content = document.getElementById("content_1702591029862_9792_0");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
             </script>
             </div></div>
@@ -716,7 +716,7 @@ <h2>Generate bindings for functions<a class="headerlink" href="#generate-binding
 </style>
 
     <script>
-       function copy_code_1702590481874_6519() {
+       function copy_code_1702591029871_762() {
             let code = `m.def("add",
     Add, 
     py::arg("x"), py::arg("y") = 2, 
@@ -730,10 +730,10 @@ <h2>Generate bindings for functions<a class="headerlink" href="#generate-binding
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590481874_6519_1" ></button>
-    <div class="collapsible_content" id="content_1702590481874_6519_1">
+    <button class="collapsible_header" id="btn_1702591029871_762_1" ></button>
+    <div class="collapsible_content" id="content_1702591029871_762_1">
         <div>
-                <button onclick="copy_code_1702590481874_6519()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591029871_762()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -819,10 +819,10 @@ <h2>Generate bindings for functions<a class="headerlink" href="#generate-binding
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590481874_6519_1");
+    var button = document.getElementById("btn_1702591029871_762_1");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590481874_6519_1");
+        var content = document.getElementById("content_1702591029871_762_1");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -832,9 +832,9 @@ <h2>Generate bindings for functions<a class="headerlink" href="#generate-binding
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590481874_6519_1");
+            var collapsible_header = document.getElementById("btn_1702591029871_762_1");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590481874_6519_1");
+            var collapsible_content = document.getElementById("content_1702591029871_762_1");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
             </script>
             </div></div>
@@ -893,15 +893,15 @@ <h2>Generate bindings for functions<a class="headerlink" href="#generate-binding
 </style>
 
     <script>
-       function copy_code_1702590481878_076() {
+       function copy_code_1702591029875_223() {
             let code = ``;
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590481878_076_2" ></button>
-    <div class="collapsible_content" id="content_1702590481878_076_2">
+    <button class="collapsible_header" id="btn_1702591029875_223_2" ></button>
+    <div class="collapsible_content" id="content_1702591029875_223_2">
         <div>
-                <button onclick="copy_code_1702590481878_076()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591029875_223()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -979,10 +979,10 @@ <h2>Generate bindings for functions<a class="headerlink" href="#generate-binding
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590481878_076_2");
+    var button = document.getElementById("btn_1702591029875_223_2");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590481878_076_2");
+        var content = document.getElementById("content_1702591029875_223_2");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -992,9 +992,9 @@ <h2>Generate bindings for functions<a class="headerlink" href="#generate-binding
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590481878_076_2");
+            var collapsible_header = document.getElementById("btn_1702591029875_223_2");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590481878_076_2");
+            var collapsible_content = document.getElementById("content_1702591029875_223_2");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
             </script>
             </div></div>
@@ -1136,7 +1136,7 @@ <h2>Binding a simple class or struct<a class="headerlink" href="#binding-a-simpl
 </style>
 
     <script>
-       function copy_code_1702590481891_1428() {
+       function copy_code_1702591029888_4348() {
             let code = `
 class FooClass {
     private:
@@ -1155,10 +1155,10 @@ <h2>Binding a simple class or struct<a class="headerlink" href="#binding-a-simpl
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590481891_1428_5" >Original C++ decls</button>
-    <div class="collapsible_content" id="content_1702590481891_1428_5">
+    <button class="collapsible_header" id="btn_1702591029888_4348_5" >Original C++ decls</button>
+    <div class="collapsible_content" id="content_1702591029888_4348_5">
         <div>
-                <button onclick="copy_code_1702590481891_1428()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591029888_4348()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1248,10 +1248,10 @@ <h2>Binding a simple class or struct<a class="headerlink" href="#binding-a-simpl
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590481891_1428_5");
+    var button = document.getElementById("btn_1702591029888_4348_5");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590481891_1428_5");
+        var content = document.getElementById("content_1702591029888_4348_5");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1261,9 +1261,9 @@ <h2>Binding a simple class or struct<a class="headerlink" href="#binding-a-simpl
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590481891_1428_5");
+            var collapsible_header = document.getElementById("btn_1702591029888_4348_5");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590481891_1428_5");
+            var collapsible_content = document.getElementById("content_1702591029888_4348_5");
             collapsible_content.style.maxHeight = "20em";
             </script>
             
@@ -1316,7 +1316,7 @@ <h2>Binding a simple class or struct<a class="headerlink" href="#binding-a-simpl
 </style>
 
     <script>
-       function copy_code_1702590481891_79() {
+       function copy_code_1702591029889_0723() {
             let code = `
 class FooClass:
     def __init__(self, v: int) -> None:
@@ -1336,10 +1336,10 @@ <h2>Binding a simple class or struct<a class="headerlink" href="#binding-a-simpl
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590481891_79_6" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590481891_79_6">
+    <button class="collapsible_header" id="btn_1702591029889_0723_6" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591029889_0723_6">
         <div>
-                <button onclick="copy_code_1702590481891_79()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591029889_0723()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1430,10 +1430,10 @@ <h2>Binding a simple class or struct<a class="headerlink" href="#binding-a-simpl
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590481891_79_6");
+    var button = document.getElementById("btn_1702591029889_0723_6");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590481891_79_6");
+        var content = document.getElementById("content_1702591029889_0723_6");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1443,9 +1443,9 @@ <h2>Binding a simple class or struct<a class="headerlink" href="#binding-a-simpl
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590481891_79_6");
+            var collapsible_header = document.getElementById("btn_1702591029889_0723_6");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590481891_79_6");
+            var collapsible_content = document.getElementById("content_1702591029889_0723_6");
             collapsible_content.style.maxHeight = "20em";
             </script>
             
@@ -1497,7 +1497,7 @@ <h2>Binding a simple class or struct<a class="headerlink" href="#binding-a-simpl
 </style>
 
     <script>
-       function copy_code_1702590481890_2778() {
+       function copy_code_1702591029887_5808() {
             let code = `auto pyClassFooClass =
     py::class_<FooClass>
         (m, "FooClass", "")
@@ -1529,10 +1529,10 @@ <h2>Binding a simple class or struct<a class="headerlink" href="#binding-a-simpl
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590481890_2778_3" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590481890_2778_3">
+    <button class="collapsible_header" id="btn_1702591029887_5808_3" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591029887_5808_3">
         <div>
-                <button onclick="copy_code_1702590481890_2778()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591029887_5808()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1636,10 +1636,10 @@ <h2>Binding a simple class or struct<a class="headerlink" href="#binding-a-simpl
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590481890_2778_3");
+    var button = document.getElementById("btn_1702591029887_5808_3");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590481890_2778_3");
+        var content = document.getElementById("content_1702591029887_5808_3");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1649,9 +1649,9 @@ <h2>Binding a simple class or struct<a class="headerlink" href="#binding-a-simpl
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590481890_2778_3");
+            var collapsible_header = document.getElementById("btn_1702591029887_5808_3");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590481890_2778_3");
+            var collapsible_content = document.getElementById("content_1702591029887_5808_3");
             collapsible_content.style.maxHeight = "20em";
             </script>
             </div></div>
@@ -1790,7 +1790,7 @@ <h2>About glue code<a class="headerlink" href="#about-glue-code" title="Permalin
 </style>
 
     <script>
-       function copy_code_1702590481905_668() {
+       function copy_code_1702591029902_8962() {
             let code = `
     // changes the value of the bool parameter (passed by modifiable reference)
     // (This function will use a BoxedBool in the python code, so that its value can be modified)
@@ -1799,10 +1799,10 @@ <h2>About glue code<a class="headerlink" href="#about-glue-code" title="Permalin
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590481905_668_9" >Original C++ decls</button>
-    <div class="collapsible_content" id="content_1702590481905_668_9">
+    <button class="collapsible_header" id="btn_1702591029902_8962_9" >Original C++ decls</button>
+    <div class="collapsible_content" id="content_1702591029902_8962_9">
         <div>
-                <button onclick="copy_code_1702590481905_668()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591029902_8962()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1883,10 +1883,10 @@ <h2>About glue code<a class="headerlink" href="#about-glue-code" title="Permalin
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590481905_668_9");
+    var button = document.getElementById("btn_1702591029902_8962_9");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590481905_668_9");
+        var content = document.getElementById("content_1702591029902_8962_9");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1896,9 +1896,9 @@ <h2>About glue code<a class="headerlink" href="#about-glue-code" title="Permalin
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590481905_668_9");
+            var collapsible_header = document.getElementById("btn_1702591029902_8962_9");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590481905_668_9");
+            var collapsible_content = document.getElementById("content_1702591029902_8962_9");
             collapsible_content.style.maxHeight = "40em";
             </script>
             
@@ -1951,7 +1951,7 @@ <h2>About glue code<a class="headerlink" href="#about-glue-code" title="Permalin
 </style>
 
     <script>
-       function copy_code_1702590481906_2122() {
+       function copy_code_1702591029903_423() {
             let code = `####################    <generated_from:BoxedTypes>    ####################
 class BoxedBool:
     value: bool
@@ -1972,10 +1972,10 @@ <h2>About glue code<a class="headerlink" href="#about-glue-code" title="Permalin
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590481906_2122_10" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590481906_2122_10">
+    <button class="collapsible_header" id="btn_1702591029903_423_10" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591029903_423_10">
         <div>
-                <button onclick="copy_code_1702590481906_2122()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591029903_423()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -2068,10 +2068,10 @@ <h2>About glue code<a class="headerlink" href="#about-glue-code" title="Permalin
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590481906_2122_10");
+    var button = document.getElementById("btn_1702591029903_423_10");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590481906_2122_10");
+        var content = document.getElementById("content_1702591029903_423_10");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -2081,9 +2081,9 @@ <h2>About glue code<a class="headerlink" href="#about-glue-code" title="Permalin
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590481906_2122_10");
+            var collapsible_header = document.getElementById("btn_1702591029903_423_10");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590481906_2122_10");
+            var collapsible_content = document.getElementById("content_1702591029903_423_10");
             collapsible_content.style.maxHeight = "40em";
             </script>
             
@@ -2135,7 +2135,7 @@ <h2>About glue code<a class="headerlink" href="#about-glue-code" title="Permalin
 </style>
 
     <script>
-       function copy_code_1702590481904_7732() {
+       function copy_code_1702591029901_997() {
             let code = `////////////////////    <generated_from:BoxedTypes>    ////////////////////
 auto pyClassBoxedBool =
     py::class_<BoxedBool>
@@ -2167,10 +2167,10 @@ <h2>About glue code<a class="headerlink" href="#about-glue-code" title="Permalin
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590481904_7732_7" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590481904_7732_7">
+    <button class="collapsible_header" id="btn_1702591029901_997_7" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591029901_997_7">
         <div>
-                <button onclick="copy_code_1702590481904_7732()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591029901_997()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -2274,10 +2274,10 @@ <h2>About glue code<a class="headerlink" href="#about-glue-code" title="Permalin
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590481904_7732_7");
+    var button = document.getElementById("btn_1702591029901_997_7");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590481904_7732_7");
+        var content = document.getElementById("content_1702591029901_997_7");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -2287,9 +2287,9 @@ <h2>About glue code<a class="headerlink" href="#about-glue-code" title="Permalin
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590481904_7732_7");
+            var collapsible_header = document.getElementById("btn_1702591029901_997_7");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590481904_7732_7");
+            var collapsible_content = document.getElementById("content_1702591029901_997_7");
             collapsible_content.style.maxHeight = "40em";
             </script>
             <br/>
@@ -2338,7 +2338,7 @@ <h2>About glue code<a class="headerlink" href="#about-glue-code" title="Permalin
 </style>
 
     <script>
-       function copy_code_1702590481905_323() {
+       function copy_code_1702591029902_551() {
             let code = `struct BoxedBool
 {
     bool value;
@@ -2349,10 +2349,10 @@ <h2>About glue code<a class="headerlink" href="#about-glue-code" title="Permalin
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590481905_323_8" >C++ glue code</button>
-    <div class="collapsible_content" id="content_1702590481905_323_8">
+    <button class="collapsible_header" id="btn_1702591029902_551_8" >C++ glue code</button>
+    <div class="collapsible_content" id="content_1702591029902_551_8">
         <div>
-                <button onclick="copy_code_1702590481905_323()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591029902_551()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -2435,10 +2435,10 @@ <h2>About glue code<a class="headerlink" href="#about-glue-code" title="Permalin
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590481905_323_8");
+    var button = document.getElementById("btn_1702591029902_551_8");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590481905_323_8");
+        var content = document.getElementById("content_1702591029902_551_8");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -2448,9 +2448,9 @@ <h2>About glue code<a class="headerlink" href="#about-glue-code" title="Permalin
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590481905_323_8");
+            var collapsible_header = document.getElementById("btn_1702591029902_551_8");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590481905_323_8");
+            var collapsible_content = document.getElementById("content_1702591029902_551_8");
             collapsible_content.style.maxHeight = "40em";
             </script>
             </div></div>
@@ -2576,15 +2576,15 @@ <h2>Usage inside a notebook<a class="headerlink" href="#usage-inside-a-notebook"
 </style>
 
     <script>
-       function copy_code_1702590481911_241() {
+       function copy_code_1702591029908_302() {
             let code = `void f();  // dummy function`;
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590481911_241_13" >Original C++ decls</button>
-    <div class="collapsible_content" id="content_1702590481911_241_13">
+    <button class="collapsible_header" id="btn_1702591029908_302_13" >Original C++ decls</button>
+    <div class="collapsible_content" id="content_1702591029908_302_13">
         <div>
-                <button onclick="copy_code_1702590481911_241()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591029908_302()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -2662,10 +2662,10 @@ <h2>Usage inside a notebook<a class="headerlink" href="#usage-inside-a-notebook"
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590481911_241_13");
+    var button = document.getElementById("btn_1702591029908_302_13");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590481911_241_13");
+        var content = document.getElementById("content_1702591029908_302_13");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -2675,9 +2675,9 @@ <h2>Usage inside a notebook<a class="headerlink" href="#usage-inside-a-notebook"
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590481911_241_13");
+            var collapsible_header = document.getElementById("btn_1702591029908_302_13");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590481911_241_13");
+            var collapsible_content = document.getElementById("content_1702591029908_302_13");
             collapsible_content.style.maxHeight = "20em";
             </script>
             
@@ -2730,17 +2730,17 @@ <h2>Usage inside a notebook<a class="headerlink" href="#usage-inside-a-notebook"
 </style>
 
     <script>
-       function copy_code_1702590481911_663() {
+       function copy_code_1702591029908_713() {
             let code = `def f() -> None:
     """ dummy function"""
     pass`;
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590481911_663_14" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590481911_663_14">
+    <button class="collapsible_header" id="btn_1702591029908_713_14" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591029908_713_14">
         <div>
-                <button onclick="copy_code_1702590481911_663()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591029908_713()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -2820,10 +2820,10 @@ <h2>Usage inside a notebook<a class="headerlink" href="#usage-inside-a-notebook"
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590481911_663_14");
+    var button = document.getElementById("btn_1702591029908_713_14");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590481911_663_14");
+        var content = document.getElementById("content_1702591029908_713_14");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -2833,9 +2833,9 @@ <h2>Usage inside a notebook<a class="headerlink" href="#usage-inside-a-notebook"
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590481911_663_14");
+            var collapsible_header = document.getElementById("btn_1702591029908_713_14");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590481911_663_14");
+            var collapsible_content = document.getElementById("content_1702591029908_713_14");
             collapsible_content.style.maxHeight = "20em";
             </script>
             
@@ -2887,17 +2887,17 @@ <h2>Usage inside a notebook<a class="headerlink" href="#usage-inside-a-notebook"
 </style>
 
     <script>
-       function copy_code_1702590481910_686() {
+       function copy_code_1702591029907_748() {
             let code = `m.def("f",
     f, "dummy function");
 `;
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590481910_686_11" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590481910_686_11">
+    <button class="collapsible_header" id="btn_1702591029907_748_11" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591029907_748_11">
         <div>
-                <button onclick="copy_code_1702590481910_686()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591029907_748()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -2976,10 +2976,10 @@ <h2>Usage inside a notebook<a class="headerlink" href="#usage-inside-a-notebook"
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590481910_686_11");
+    var button = document.getElementById("btn_1702591029907_748_11");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590481910_686_11");
+        var content = document.getElementById("content_1702591029907_748_11");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -2989,9 +2989,9 @@ <h2>Usage inside a notebook<a class="headerlink" href="#usage-inside-a-notebook"
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590481910_686_11");
+            var collapsible_header = document.getElementById("btn_1702591029907_748_11");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590481910_686_11");
+            var collapsible_content = document.getElementById("content_1702591029907_748_11");
             collapsible_content.style.maxHeight = "20em";
             </script>
             </div></div>
diff --git a/docs/litgen_book/02_00_00_options.html b/docs/litgen_book/02_00_00_options.html
index 22ba6e2b..990f280b 100644
--- a/docs/litgen_book/02_00_00_options.html
+++ b/docs/litgen_book/02_00_00_options.html
@@ -257,7 +257,7 @@
       
       
       
-      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/packages/litgen/litgen-book/02_00_00_options.ipynb" target="_blank"
+      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/litgen-book/02_00_00_options.ipynb" target="_blank"
    class="btn btn-sm dropdown-item"
    title="Launch onBinder"
    data-bs-placement="left" data-bs-toggle="tooltip"
@@ -521,7 +521,7 @@ <h2>litgen main options<a class="headerlink" href="#litgen-main-options" title="
 </style>
 
     <script>
-       function copy_code_1702590483046_63() {
+       function copy_code_1702591031015_368() {
             let code = `from __future__ import annotations
 
 from typing import Any, Callable
@@ -1106,10 +1106,10 @@ <h2>litgen main options<a class="headerlink" href="#litgen-main-options" title="
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590483046_63_0" >litgen/options.py</button>
-    <div class="collapsible_content" id="content_1702590483046_63_0">
+    <button class="collapsible_header" id="btn_1702591031015_368_0" >litgen/options.py</button>
+    <div class="collapsible_content" id="content_1702591031015_368_0">
         <div>
-                <button onclick="copy_code_1702590483046_63()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591031015_368()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1766,10 +1766,10 @@ <h2>litgen main options<a class="headerlink" href="#litgen-main-options" title="
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590483046_63_0");
+    var button = document.getElementById("btn_1702591031015_368_0");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590483046_63_0");
+        var content = document.getElementById("content_1702591031015_368_0");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1779,9 +1779,9 @@ <h2>litgen main options<a class="headerlink" href="#litgen-main-options" title="
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590483046_63_0");
+            var collapsible_header = document.getElementById("btn_1702591031015_368_0");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590483046_63_0");
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+       function copy_code_1702591031242_192() {
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@@ -1980,10 +1980,10 @@ <h2>srcmlcpp options<a class="headerlink" href="#srcmlcpp-options" title="Permal
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-    <div class="collapsible_content" id="content_1702590483268_2822_1">
+    <button class="collapsible_header" id="btn_1702591031242_192_1" >srcmlcpp/srcmlcpp_options.py</button>
+    <div class="collapsible_content" id="content_1702591031242_192_1">
         <div>
-                <button onclick="copy_code_1702590483268_2822()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591031242_192()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -2186,10 +2186,10 @@ <h2>srcmlcpp options<a class="headerlink" href="#srcmlcpp-options" title="Permal
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590483268_2822_1");
+    var button = document.getElementById("btn_1702591031242_192_1");
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-        var content = document.getElementById("content_1702590483268_2822_1");
+        var content = document.getElementById("content_1702591031242_192_1");
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@@ -2199,9 +2199,9 @@ <h2>srcmlcpp options<a class="headerlink" href="#srcmlcpp-options" title="Permal
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             <script>
-            var collapsible_header = document.getElementById("btn_1702590483268_2822_1");
+            var collapsible_header = document.getElementById("btn_1702591031242_192_1");
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-            var collapsible_content = document.getElementById("content_1702590483268_2822_1");
+            var collapsible_content = document.getElementById("content_1702591031242_192_1");
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diff --git a/docs/litgen_book/02_05_00_headers.html b/docs/litgen_book/02_05_00_headers.html
index 47456219..c0492cb8 100644
--- a/docs/litgen_book/02_05_00_headers.html
+++ b/docs/litgen_book/02_05_00_headers.html
@@ -257,7 +257,7 @@
       
       
       
-      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/packages/litgen/litgen-book/02_05_00_headers.ipynb" target="_blank"
+      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/litgen-book/02_05_00_headers.ipynb" target="_blank"
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 </style>
 
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-       function copy_code_1702590484205_686() {
+       function copy_code_1702591032153_02() {
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@@ -550,10 +550,10 @@ <h2>Filtering header content<a class="headerlink" href="#filtering-header-conten
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-    <button class="collapsible_header" id="btn_1702590484205_686_2" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590484205_686_2">
+    <button class="collapsible_header" id="btn_1702591032153_02_2" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591032153_02_2">
         <div>
-                <button onclick="copy_code_1702590484205_686()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591032153_02()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -638,10 +638,10 @@ <h2>Filtering header content<a class="headerlink" href="#filtering-header-conten
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590484205_686_2");
+    var button = document.getElementById("btn_1702591032153_02_2");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590484205_686_2");
+        var content = document.getElementById("content_1702591032153_02_2");
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@@ -651,9 +651,9 @@ <h2>Filtering header content<a class="headerlink" href="#filtering-header-conten
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590484205_686_2");
+            var collapsible_header = document.getElementById("btn_1702591032153_02_2");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590484205_686_2");
+            var collapsible_content = document.getElementById("content_1702591032153_02_2");
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@@ -702,7 +702,7 @@ <h2>Filtering header content<a class="headerlink" href="#filtering-header-conten
 </style>
 
     <script>
-       function copy_code_1702590484189_865() {
+       function copy_code_1702591032135_463() {
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@@ -712,10 +712,10 @@ <h2>Filtering header content<a class="headerlink" href="#filtering-header-conten
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-    <button class="collapsible_header" id="btn_1702590484189_865_0" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590484189_865_0">
+    <button class="collapsible_header" id="btn_1702591032135_463_0" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591032135_463_0">
         <div>
-                <button onclick="copy_code_1702590484189_865()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591032135_463()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -797,10 +797,10 @@ <h2>Filtering header content<a class="headerlink" href="#filtering-header-conten
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590484189_865_0");
+    var button = document.getElementById("btn_1702591032135_463_0");
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-        var content = document.getElementById("content_1702590484189_865_0");
+        var content = document.getElementById("content_1702591032135_463_0");
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@@ -873,7 +873,7 @@ <h2>Filtering header content<a class="headerlink" href="#filtering-header-conten
 </style>
 
     <script>
-       function copy_code_1702590484213_676() {
+       function copy_code_1702591032161_4878() {
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@@ -894,10 +894,10 @@ <h2>Filtering header content<a class="headerlink" href="#filtering-header-conten
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-    <button class="collapsible_header" id="btn_1702590484213_676_5" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590484213_676_5">
+    <button class="collapsible_header" id="btn_1702591032161_4878_5" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591032161_4878_5">
         <div>
-                <button onclick="copy_code_1702590484213_676()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591032161_4878()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -989,10 +989,10 @@ <h2>Filtering header content<a class="headerlink" href="#filtering-header-conten
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590484213_676_5");
+    var button = document.getElementById("btn_1702591032161_4878_5");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590484213_676_5");
+        var content = document.getElementById("content_1702591032161_4878_5");
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         } else {
@@ -1002,9 +1002,9 @@ <h2>Filtering header content<a class="headerlink" href="#filtering-header-conten
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590484213_676_5");
+            var collapsible_header = document.getElementById("btn_1702591032161_4878_5");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590484213_676_5");
+            var collapsible_content = document.getElementById("content_1702591032161_4878_5");
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             <br/>
@@ -1053,7 +1053,7 @@ <h2>Filtering header content<a class="headerlink" href="#filtering-header-conten
 </style>
 
     <script>
-       function copy_code_1702590484212_916() {
+       function copy_code_1702591032160_731() {
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@@ -1070,10 +1070,10 @@ <h2>Filtering header content<a class="headerlink" href="#filtering-header-conten
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-    <button class="collapsible_header" id="btn_1702590484212_916_3" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590484212_916_3">
+    <button class="collapsible_header" id="btn_1702591032160_731_3" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591032160_731_3">
         <div>
-                <button onclick="copy_code_1702590484212_916()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591032160_731()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1162,10 +1162,10 @@ <h2>Filtering header content<a class="headerlink" href="#filtering-header-conten
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590484212_916_3");
+    var button = document.getElementById("btn_1702591032160_731_3");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590484212_916_3");
+        var content = document.getElementById("content_1702591032160_731_3");
         if (content.style.maxHeight){
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@@ -1250,7 +1250,7 @@ <h2>API Prefixes<a class="headerlink" href="#api-prefixes" title="Permalink to t
 </style>
 
     <script>
-       function copy_code_1702590484223_0552() {
+       function copy_code_1702591032170_753() {
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@@ -1260,10 +1260,10 @@ <h2>API Prefixes<a class="headerlink" href="#api-prefixes" title="Permalink to t
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590484223_0552_8" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590484223_0552_8">
+    <button class="collapsible_header" id="btn_1702591032170_753_8" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591032170_753_8">
         <div>
-                <button onclick="copy_code_1702590484223_0552()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591032170_753()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1343,10 +1343,10 @@ <h2>API Prefixes<a class="headerlink" href="#api-prefixes" title="Permalink to t
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590484223_0552_8");
+    var button = document.getElementById("btn_1702591032170_753_8");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590484223_0552_8");
+        var content = document.getElementById("content_1702591032170_753_8");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1356,9 +1356,9 @@ <h2>API Prefixes<a class="headerlink" href="#api-prefixes" title="Permalink to t
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590484223_0552_8");
+            var collapsible_header = document.getElementById("btn_1702591032170_753_8");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590484223_0552_8");
+            var collapsible_content = document.getElementById("content_1702591032170_753_8");
             collapsible_content.style.maxHeight = "40em";
             </script>
             <br/>
@@ -1407,7 +1407,7 @@ <h2>API Prefixes<a class="headerlink" href="#api-prefixes" title="Permalink to t
 </style>
 
     <script>
-       function copy_code_1702590484222_386() {
+       function copy_code_1702591032170_114() {
             let code = `m.def("add",
     add, 
     py::arg("param_0"), py::arg("b"), 
@@ -1416,10 +1416,10 @@ <h2>API Prefixes<a class="headerlink" href="#api-prefixes" title="Permalink to t
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590484222_386_6" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590484222_386_6">
+    <button class="collapsible_header" id="btn_1702591032170_114_6" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591032170_114_6">
         <div>
-                <button onclick="copy_code_1702590484222_386()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591032170_114()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1500,10 +1500,10 @@ <h2>API Prefixes<a class="headerlink" href="#api-prefixes" title="Permalink to t
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590484222_386_6");
+    var button = document.getElementById("btn_1702591032170_114_6");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590484222_386_6");
+        var content = document.getElementById("content_1702591032170_114_6");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1573,7 +1573,7 @@ <h2>API Prefixes<a class="headerlink" href="#api-prefixes" title="Permalink to t
 </style>
 
     <script>
-       function copy_code_1702590484231_972() {
+       function copy_code_1702591032178_494() {
             let code = `
 def add(param_0: int, b: int) -> int:
     """ This function has an API marker and is exported in a shared library"""
@@ -1588,10 +1588,10 @@ <h2>API Prefixes<a class="headerlink" href="#api-prefixes" title="Permalink to t
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590484231_972_11" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590484231_972_11">
+    <button class="collapsible_header" id="btn_1702591032178_494_11" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591032178_494_11">
         <div>
-                <button onclick="copy_code_1702590484231_972()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591032178_494()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1677,10 +1677,10 @@ <h2>API Prefixes<a class="headerlink" href="#api-prefixes" title="Permalink to t
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590484231_972_11");
+    var button = document.getElementById("btn_1702591032178_494_11");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590484231_972_11");
+        var content = document.getElementById("content_1702591032178_494_11");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1690,9 +1690,9 @@ <h2>API Prefixes<a class="headerlink" href="#api-prefixes" title="Permalink to t
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590484231_972_11");
+            var collapsible_header = document.getElementById("btn_1702591032178_494_11");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590484231_972_11");
+            var collapsible_content = document.getElementById("content_1702591032178_494_11");
             collapsible_content.style.maxHeight = "40em";
             </script>
             <br/>
@@ -1741,7 +1741,7 @@ <h2>API Prefixes<a class="headerlink" href="#api-prefixes" title="Permalink to t
 </style>
 
     <script>
-       function copy_code_1702590484231_2598() {
+       function copy_code_1702591032177_7852() {
             let code = `m.def("add",
     add, 
     py::arg("param_0"), py::arg("b"), 
@@ -1755,10 +1755,10 @@ <h2>API Prefixes<a class="headerlink" href="#api-prefixes" title="Permalink to t
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590484231_2598_9" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590484231_2598_9">
+    <button class="collapsible_header" id="btn_1702591032177_7852_9" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591032177_7852_9">
         <div>
-                <button onclick="copy_code_1702590484231_2598()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591032177_7852()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1844,10 +1844,10 @@ <h2>API Prefixes<a class="headerlink" href="#api-prefixes" title="Permalink to t
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590484231_2598_9");
+    var button = document.getElementById("btn_1702591032177_7852_9");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590484231_2598_9");
+        var content = document.getElementById("content_1702591032177_7852_9");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
diff --git a/docs/litgen_book/03_05_00_code_layout.html b/docs/litgen_book/03_05_00_code_layout.html
index 2fa5e57d..b74ba777 100644
--- a/docs/litgen_book/03_05_00_code_layout.html
+++ b/docs/litgen_book/03_05_00_code_layout.html
@@ -257,7 +257,7 @@
       
       
       
-      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/packages/litgen/litgen-book/03_05_00_code_layout.ipynb" target="_blank"
+      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/litgen-book/03_05_00_code_layout.ipynb" target="_blank"
    class="btn btn-sm dropdown-item"
    title="Launch onBinder"
    data-bs-placement="left" data-bs-toggle="tooltip"
@@ -532,7 +532,7 @@ <h1>Generated code layout<a class="headerlink" href="#generated-code-layout" tit
 </style>
 
     <script>
-       function copy_code_1702590485071_355() {
+       function copy_code_1702591033063_264() {
             let code = `
 # int add(int a, int b);     /* original C++ signature */
 def add(a: int, b: int) -> int:
@@ -542,10 +542,10 @@ <h1>Generated code layout<a class="headerlink" href="#generated-code-layout" tit
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590485071_355_2" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590485071_355_2">
+    <button class="collapsible_header" id="btn_1702591033063_264_2" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591033063_264_2">
         <div>
-                <button onclick="copy_code_1702590485071_355()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591033063_264()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -626,10 +626,10 @@ <h1>Generated code layout<a class="headerlink" href="#generated-code-layout" tit
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590485071_355_2");
+    var button = document.getElementById("btn_1702591033063_264_2");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590485071_355_2");
+        var content = document.getElementById("content_1702591033063_264_2");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -639,9 +639,9 @@ <h1>Generated code layout<a class="headerlink" href="#generated-code-layout" tit
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590485071_355_2");
+            var collapsible_header = document.getElementById("btn_1702591033063_264_2");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590485071_355_2");
+            var collapsible_content = document.getElementById("content_1702591033063_264_2");
             collapsible_content.style.maxHeight = "20em";
             </script>
             <br/>
@@ -690,7 +690,7 @@ <h1>Generated code layout<a class="headerlink" href="#generated-code-layout" tit
 </style>
 
     <script>
-       function copy_code_1702590485054_978() {
+       function copy_code_1702591033047_159() {
             let code = `m.def("add",
 	add, 
 	py::arg("a"), py::arg("b"), 
@@ -699,10 +699,10 @@ <h1>Generated code layout<a class="headerlink" href="#generated-code-layout" tit
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590485054_978_0" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590485054_978_0">
+    <button class="collapsible_header" id="btn_1702591033047_159_0" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591033047_159_0">
         <div>
-                <button onclick="copy_code_1702590485054_978()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591033047_159()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -783,10 +783,10 @@ <h1>Generated code layout<a class="headerlink" href="#generated-code-layout" tit
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590485054_978_0");
+    var button = document.getElementById("btn_1702591033047_159_0");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590485054_978_0");
+        var content = document.getElementById("content_1702591033047_159_0");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -796,9 +796,9 @@ <h1>Generated code layout<a class="headerlink" href="#generated-code-layout" tit
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590485054_978_0");
+            var collapsible_header = document.getElementById("btn_1702591033047_159_0");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590485054_978_0");
+            var collapsible_content = document.getElementById("content_1702591033047_159_0");
             collapsible_content.style.maxHeight = "20em";
             </script>
             </div></div>
diff --git a/docs/litgen_book/04_05_00_names_translation.html b/docs/litgen_book/04_05_00_names_translation.html
index 8cd50eb6..cf61ce62 100644
--- a/docs/litgen_book/04_05_00_names_translation.html
+++ b/docs/litgen_book/04_05_00_names_translation.html
@@ -257,7 +257,7 @@
       
       
       
-      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/packages/litgen/litgen-book/04_05_00_names_translation.ipynb" target="_blank"
+      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/litgen-book/04_05_00_names_translation.ipynb" target="_blank"
    class="btn btn-sm dropdown-item"
    title="Launch onBinder"
    data-bs-placement="left" data-bs-toggle="tooltip"
@@ -539,7 +539,7 @@ <h2>Types replacements<a class="headerlink" href="#types-replacements" title="Pe
 </style>
 
     <script>
-       function copy_code_1702590485985_436() {
+       function copy_code_1702591033807_1418() {
             let code = `
 def get_min_max(values: List[int]) -> MyPair<int, int>:
     pass
@@ -547,10 +547,10 @@ <h2>Types replacements<a class="headerlink" href="#types-replacements" title="Pe
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590485985_436_2" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590485985_436_2">
+    <button class="collapsible_header" id="btn_1702591033807_1418_2" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591033807_1418_2">
         <div>
-                <button onclick="copy_code_1702590485985_436()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591033807_1418()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -629,10 +629,10 @@ <h2>Types replacements<a class="headerlink" href="#types-replacements" title="Pe
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590485985_436_2");
+    var button = document.getElementById("btn_1702591033807_1418_2");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590485985_436_2");
+        var content = document.getElementById("content_1702591033807_1418_2");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -642,9 +642,9 @@ <h2>Types replacements<a class="headerlink" href="#types-replacements" title="Pe
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590485985_436_2");
+            var collapsible_header = document.getElementById("btn_1702591033807_1418_2");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590485985_436_2");
+            var collapsible_content = document.getElementById("content_1702591033807_1418_2");
             collapsible_content.style.maxHeight = "20em";
             </script>
             <br/>
@@ -693,17 +693,17 @@ <h2>Types replacements<a class="headerlink" href="#types-replacements" title="Pe
 </style>
 
     <script>
-       function copy_code_1702590485969_643() {
+       function copy_code_1702591033789_486() {
             let code = `m.def("get_min_max",
     GetMinMax, py::arg("values"));
 `;
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590485969_643_0" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590485969_643_0">
+    <button class="collapsible_header" id="btn_1702591033789_486_0" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591033789_486_0">
         <div>
-                <button onclick="copy_code_1702590485969_643()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591033789_486()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -782,10 +782,10 @@ <h2>Types replacements<a class="headerlink" href="#types-replacements" title="Pe
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590485969_643_0");
+    var button = document.getElementById("btn_1702591033789_486_0");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590485969_643_0");
+        var content = document.getElementById("content_1702591033789_486_0");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -853,7 +853,7 @@ <h2>Types replacements<a class="headerlink" href="#types-replacements" title="Pe
 </style>
 
     <script>
-       function copy_code_1702590485993_587() {
+       function copy_code_1702591033815_5469() {
             let code = `
 def get_min_max(values: List[int]) -> Tuple[int, int]:
     pass
@@ -861,10 +861,10 @@ <h2>Types replacements<a class="headerlink" href="#types-replacements" title="Pe
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590485993_587_5" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590485993_587_5">
+    <button class="collapsible_header" id="btn_1702591033815_5469_5" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591033815_5469_5">
         <div>
-                <button onclick="copy_code_1702590485993_587()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591033815_5469()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -943,10 +943,10 @@ <h2>Types replacements<a class="headerlink" href="#types-replacements" title="Pe
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590485993_587_5");
+    var button = document.getElementById("btn_1702591033815_5469_5");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590485993_587_5");
+        var content = document.getElementById("content_1702591033815_5469_5");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -956,9 +956,9 @@ <h2>Types replacements<a class="headerlink" href="#types-replacements" title="Pe
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590485993_587_5");
+            var collapsible_header = document.getElementById("btn_1702591033815_5469_5");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590485993_587_5");
+            var collapsible_content = document.getElementById("content_1702591033815_5469_5");
             collapsible_content.style.maxHeight = "20em";
             </script>
             <br/>
@@ -1007,17 +1007,17 @@ <h2>Types replacements<a class="headerlink" href="#types-replacements" title="Pe
 </style>
 
     <script>
-       function copy_code_1702590485992_9678() {
+       function copy_code_1702591033814_896() {
             let code = `m.def("get_min_max",
     GetMinMax, py::arg("values"));
 `;
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590485992_9678_3" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590485992_9678_3">
+    <button class="collapsible_header" id="btn_1702591033814_896_3" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591033814_896_3">
         <div>
-                <button onclick="copy_code_1702590485992_9678()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591033814_896()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1096,10 +1096,10 @@ <h2>Types replacements<a class="headerlink" href="#types-replacements" title="Pe
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590485992_9678_3");
+    var button = document.getElementById("btn_1702591033814_896_3");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590485992_9678_3");
+        var content = document.getElementById("content_1702591033814_896_3");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1190,7 +1190,7 @@ <h2>Convert to snake case<a class="headerlink" href="#convert-to-snake-case" tit
 </style>
 
     <script>
-       function copy_code_1702590486007_927() {
+       function copy_code_1702591033830_6648() {
             let code = `
 
 # <submodule my_namespace>
@@ -1210,10 +1210,10 @@ <h2>Convert to snake case<a class="headerlink" href="#convert-to-snake-case" tit
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486007_927_8" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590486007_927_8">
+    <button class="collapsible_header" id="btn_1702591033830_6648_8" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591033830_6648_8">
         <div>
-                <button onclick="copy_code_1702590486007_927()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591033830_6648()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1303,10 +1303,10 @@ <h2>Convert to snake case<a class="headerlink" href="#convert-to-snake-case" tit
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486007_927_8");
+    var button = document.getElementById("btn_1702591033830_6648_8");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486007_927_8");
+        var content = document.getElementById("content_1702591033830_6648_8");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1316,9 +1316,9 @@ <h2>Convert to snake case<a class="headerlink" href="#convert-to-snake-case" tit
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486007_927_8");
+            var collapsible_header = document.getElementById("btn_1702591033830_6648_8");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486007_927_8");
+            var collapsible_content = document.getElementById("content_1702591033830_6648_8");
             collapsible_content.style.maxHeight = "20em";
             </script>
             <br/>
@@ -1367,7 +1367,7 @@ <h2>Convert to snake case<a class="headerlink" href="#convert-to-snake-case" tit
 </style>
 
     <script>
-       function copy_code_1702590486007_083() {
+       function copy_code_1702591033829_797() {
             let code = `
 { // <namespace MyNamespace>
     py::module_ pyNsMyNamespace = m.def_submodule("my_namespace", "");
@@ -1392,10 +1392,10 @@ <h2>Convert to snake case<a class="headerlink" href="#convert-to-snake-case" tit
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486007_083_6" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590486007_083_6">
+    <button class="collapsible_header" id="btn_1702591033829_797_6" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591033829_797_6">
         <div>
-                <button onclick="copy_code_1702590486007_083()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591033829_797()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1491,10 +1491,10 @@ <h2>Convert to snake case<a class="headerlink" href="#convert-to-snake-case" tit
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486007_083_6");
+    var button = document.getElementById("btn_1702591033829_797_6");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486007_083_6");
+        var content = document.getElementById("content_1702591033829_797_6");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1559,7 +1559,7 @@ <h2>Convert to snake case<a class="headerlink" href="#convert-to-snake-case" tit
 </style>
 
     <script>
-       function copy_code_1702590486019_695() {
+       function copy_code_1702591033842_509() {
             let code = `
 
 # <submodule MyNamespace>
@@ -1579,10 +1579,10 @@ <h2>Convert to snake case<a class="headerlink" href="#convert-to-snake-case" tit
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486019_695_11" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590486019_695_11">
+    <button class="collapsible_header" id="btn_1702591033842_509_11" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591033842_509_11">
         <div>
-                <button onclick="copy_code_1702590486019_695()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591033842_509()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1672,10 +1672,10 @@ <h2>Convert to snake case<a class="headerlink" href="#convert-to-snake-case" tit
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486019_695_11");
+    var button = document.getElementById("btn_1702591033842_509_11");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486019_695_11");
+        var content = document.getElementById("content_1702591033842_509_11");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1685,9 +1685,9 @@ <h2>Convert to snake case<a class="headerlink" href="#convert-to-snake-case" tit
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486019_695_11");
+            var collapsible_header = document.getElementById("btn_1702591033842_509_11");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486019_695_11");
+            var collapsible_content = document.getElementById("content_1702591033842_509_11");
             collapsible_content.style.maxHeight = "20em";
             </script>
             <br/>
@@ -1736,7 +1736,7 @@ <h2>Convert to snake case<a class="headerlink" href="#convert-to-snake-case" tit
 </style>
 
     <script>
-       function copy_code_1702590486018_85() {
+       function copy_code_1702591033841_6482() {
             let code = `
 { // <namespace MyNamespace>
     py::module_ pyNsMyNamespace = m.def_submodule("MyNamespace", "");
@@ -1761,10 +1761,10 @@ <h2>Convert to snake case<a class="headerlink" href="#convert-to-snake-case" tit
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486018_85_9" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590486018_85_9">
+    <button class="collapsible_header" id="btn_1702591033841_6482_9" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591033841_6482_9">
         <div>
-                <button onclick="copy_code_1702590486018_85()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591033841_6482()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1860,10 +1860,10 @@ <h2>Convert to snake case<a class="headerlink" href="#convert-to-snake-case" tit
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486018_85_9");
+    var button = document.getElementById("btn_1702591033841_6482_9");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486018_85_9");
+        var content = document.getElementById("content_1702591033841_6482_9");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
diff --git a/docs/litgen_book/05_05_00_functions.html b/docs/litgen_book/05_05_00_functions.html
index 008e412b..f942faf3 100644
--- a/docs/litgen_book/05_05_00_functions.html
+++ b/docs/litgen_book/05_05_00_functions.html
@@ -257,7 +257,7 @@
       
       
       
-      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/packages/litgen/litgen-book/05_05_00_functions.ipynb" target="_blank"
+      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/litgen-book/05_05_00_functions.ipynb" target="_blank"
    class="btn btn-sm dropdown-item"
    title="Launch onBinder"
    data-bs-placement="left" data-bs-toggle="tooltip"
@@ -576,7 +576,7 @@ <h2>Exclude functions and/or params<a class="headerlink" href="#exclude-function
 </style>
 
     <script>
-       function copy_code_1702590486815_378() {
+       function copy_code_1702591034752_07() {
             let code = `
 def priv_set_options(v: bool) -> None:
     pass
@@ -590,10 +590,10 @@ <h2>Exclude functions and/or params<a class="headerlink" href="#exclude-function
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486815_378_2" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590486815_378_2">
+    <button class="collapsible_header" id="btn_1702591034752_07_2" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591034752_07_2">
         <div>
-                <button onclick="copy_code_1702590486815_378()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034752_07()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -678,10 +678,10 @@ <h2>Exclude functions and/or params<a class="headerlink" href="#exclude-function
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486815_378_2");
+    var button = document.getElementById("btn_1702591034752_07_2");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486815_378_2");
+        var content = document.getElementById("content_1702591034752_07_2");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -691,9 +691,9 @@ <h2>Exclude functions and/or params<a class="headerlink" href="#exclude-function
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486815_378_2");
+            var collapsible_header = document.getElementById("btn_1702591034752_07_2");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486815_378_2");
+            var collapsible_content = document.getElementById("content_1702591034752_07_2");
             collapsible_content.style.maxHeight = "20em";
             </script>
             <br/>
@@ -742,7 +742,7 @@ <h2>Exclude functions and/or params<a class="headerlink" href="#exclude-function
 </style>
 
     <script>
-       function copy_code_1702590486798_334() {
+       function copy_code_1702591034735_8179() {
             let code = `m.def("priv_set_options",
     priv_SetOptions, py::arg("v"));
 
@@ -752,10 +752,10 @@ <h2>Exclude functions and/or params<a class="headerlink" href="#exclude-function
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486798_334_0" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590486798_334_0">
+    <button class="collapsible_header" id="btn_1702591034735_8179_0" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591034735_8179_0">
         <div>
-                <button onclick="copy_code_1702590486798_334()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034735_8179()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -837,10 +837,10 @@ <h2>Exclude functions and/or params<a class="headerlink" href="#exclude-function
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486798_334_0");
+    var button = document.getElementById("btn_1702591034735_8179_0");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486798_334_0");
+        var content = document.getElementById("content_1702591034735_8179_0");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -970,7 +970,7 @@ <h2>Exclude functions and/or params<a class="headerlink" href="#exclude-function
 </style>
 
     <script>
-       function copy_code_1702590486823_362() {
+       function copy_code_1702591034760_6257() {
             let code = `
 void priv_SetOptions(bool v);
 
@@ -979,10 +979,10 @@ <h2>Exclude functions and/or params<a class="headerlink" href="#exclude-function
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486823_362_5" >Original C++ decls</button>
-    <div class="collapsible_content" id="content_1702590486823_362_5">
+    <button class="collapsible_header" id="btn_1702591034760_6257_5" >Original C++ decls</button>
+    <div class="collapsible_content" id="content_1702591034760_6257_5">
         <div>
-                <button onclick="copy_code_1702590486823_362()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034760_6257()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1062,10 +1062,10 @@ <h2>Exclude functions and/or params<a class="headerlink" href="#exclude-function
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486823_362_5");
+    var button = document.getElementById("btn_1702591034760_6257_5");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486823_362_5");
+        var content = document.getElementById("content_1702591034760_6257_5");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1075,9 +1075,9 @@ <h2>Exclude functions and/or params<a class="headerlink" href="#exclude-function
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486823_362_5");
+            var collapsible_header = document.getElementById("btn_1702591034760_6257_5");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486823_362_5");
+            var collapsible_content = document.getElementById("content_1702591034760_6257_5");
             collapsible_content.style.maxHeight = "20em";
             </script>
             
@@ -1130,7 +1130,7 @@ <h2>Exclude functions and/or params<a class="headerlink" href="#exclude-function
 </style>
 
     <script>
-       function copy_code_1702590486823_688() {
+       function copy_code_1702591034760_994() {
             let code = `
 
 def set_options(options: PublicOptions) -> None:
@@ -1139,10 +1139,10 @@ <h2>Exclude functions and/or params<a class="headerlink" href="#exclude-function
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486823_688_6" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590486823_688_6">
+    <button class="collapsible_header" id="btn_1702591034760_994_6" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591034760_994_6">
         <div>
-                <button onclick="copy_code_1702590486823_688()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034760_994()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1221,10 +1221,10 @@ <h2>Exclude functions and/or params<a class="headerlink" href="#exclude-function
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486823_688_6");
+    var button = document.getElementById("btn_1702591034760_994_6");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486823_688_6");
+        var content = document.getElementById("content_1702591034760_994_6");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1234,9 +1234,9 @@ <h2>Exclude functions and/or params<a class="headerlink" href="#exclude-function
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486823_688_6");
+            var collapsible_header = document.getElementById("btn_1702591034760_994_6");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486823_688_6");
+            var collapsible_content = document.getElementById("content_1702591034760_994_6");
             collapsible_content.style.maxHeight = "20em";
             </script>
             
@@ -1288,7 +1288,7 @@ <h2>Exclude functions and/or params<a class="headerlink" href="#exclude-function
 </style>
 
     <script>
-       function copy_code_1702590486822_646() {
+       function copy_code_1702591034759_885() {
             let code = `m.def("set_options",
     [](const PublicOptions & options)
     {
@@ -1303,10 +1303,10 @@ <h2>Exclude functions and/or params<a class="headerlink" href="#exclude-function
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486822_646_3" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590486822_646_3">
+    <button class="collapsible_header" id="btn_1702591034759_885_3" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591034759_885_3">
         <div>
-                <button onclick="copy_code_1702590486822_646()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034759_885()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1393,10 +1393,10 @@ <h2>Exclude functions and/or params<a class="headerlink" href="#exclude-function
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486822_646_3");
+    var button = document.getElementById("btn_1702591034759_885_3");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486822_646_3");
+        var content = document.getElementById("content_1702591034759_885_3");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1406,9 +1406,9 @@ <h2>Exclude functions and/or params<a class="headerlink" href="#exclude-function
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486822_646_3");
+            var collapsible_header = document.getElementById("btn_1702591034759_885_3");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486822_646_3");
+            var collapsible_content = document.getElementById("content_1702591034759_885_3");
             collapsible_content.style.maxHeight = "20em";
             </script>
             </div></div>
@@ -1491,7 +1491,7 @@ <h3>return_value_policy::reference<a class="headerlink" href="#return-value-poli
 </style>
 
     <script>
-       function copy_code_1702590486831_768() {
+       function copy_code_1702591034769_4958() {
             let code = `m.def("make_widget",
     MakeWidget, pybind11::return_value_policy::reference);
 
@@ -1501,10 +1501,10 @@ <h3>return_value_policy::reference<a class="headerlink" href="#return-value-poli
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486831_768_7" ></button>
-    <div class="collapsible_content" id="content_1702590486831_768_7">
+    <button class="collapsible_header" id="btn_1702591034769_4958_7" ></button>
+    <div class="collapsible_content" id="content_1702591034769_4958_7">
         <div>
-                <button onclick="copy_code_1702590486831_768()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034769_4958()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1586,10 +1586,10 @@ <h3>return_value_policy::reference<a class="headerlink" href="#return-value-poli
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486831_768_7");
+    var button = document.getElementById("btn_1702591034769_4958_7");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486831_768_7");
+        var content = document.getElementById("content_1702591034769_4958_7");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1599,9 +1599,9 @@ <h3>return_value_policy::reference<a class="headerlink" href="#return-value-poli
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486831_768_7");
+            var collapsible_header = document.getElementById("btn_1702591034769_4958_7");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486831_768_7");
+            var collapsible_content = document.getElementById("content_1702591034769_4958_7");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
             </script>
             </div></div>
@@ -1669,17 +1669,17 @@ <h3>Custom return value policy<a class="headerlink" href="#custom-return-value-p
 </style>
 
     <script>
-       function copy_code_1702590486836_271() {
+       function copy_code_1702591034774_203() {
             let code = `m.def("make_widget",
     MakeWidget, "return_value_policy::take_ownership");
 `;
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486836_271_8" ></button>
-    <div class="collapsible_content" id="content_1702590486836_271_8">
+    <button class="collapsible_header" id="btn_1702591034774_203_8" ></button>
+    <div class="collapsible_content" id="content_1702591034774_203_8">
         <div>
-                <button onclick="copy_code_1702590486836_271()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034774_203()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1758,10 +1758,10 @@ <h3>Custom return value policy<a class="headerlink" href="#custom-return-value-p
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486836_271_8");
+    var button = document.getElementById("btn_1702591034774_203_8");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486836_271_8");
+        var content = document.getElementById("content_1702591034774_203_8");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1771,9 +1771,9 @@ <h3>Custom return value policy<a class="headerlink" href="#custom-return-value-p
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486836_271_8");
+            var collapsible_header = document.getElementById("btn_1702591034774_203_8");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486836_271_8");
+            var collapsible_content = document.getElementById("content_1702591034774_203_8");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
             </script>
             </div></div>
@@ -1864,7 +1864,7 @@ <h3>Using boxed types<a class="headerlink" href="#using-boxed-types" title="Perm
 </style>
 
     <script>
-       function copy_code_1702590486849_7568() {
+       function copy_code_1702591034787_9019() {
             let code = `####################    <generated_from:BoxedTypes>    ####################
 class BoxedBool:
     value: bool
@@ -1880,10 +1880,10 @@ <h3>Using boxed types<a class="headerlink" href="#using-boxed-types" title="Perm
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486849_7568_11" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590486849_7568_11">
+    <button class="collapsible_header" id="btn_1702591034787_9019_11" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591034787_9019_11">
         <div>
-                <button onclick="copy_code_1702590486849_7568()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034787_9019()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1972,10 +1972,10 @@ <h3>Using boxed types<a class="headerlink" href="#using-boxed-types" title="Perm
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486849_7568_11");
+    var button = document.getElementById("btn_1702591034787_9019_11");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486849_7568_11");
+        var content = document.getElementById("content_1702591034787_9019_11");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1985,9 +1985,9 @@ <h3>Using boxed types<a class="headerlink" href="#using-boxed-types" title="Perm
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486849_7568_11");
+            var collapsible_header = document.getElementById("btn_1702591034787_9019_11");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486849_7568_11");
+            var collapsible_content = document.getElementById("content_1702591034787_9019_11");
             collapsible_content.style.maxHeight = "40em";
             </script>
             <br/>
@@ -2036,7 +2036,7 @@ <h3>Using boxed types<a class="headerlink" href="#using-boxed-types" title="Perm
 </style>
 
     <script>
-       function copy_code_1702590486848_6763() {
+       function copy_code_1702591034786_793() {
             let code = `////////////////////    <generated_from:BoxedTypes>    ////////////////////
 auto pyClassBoxedBool =
     py::class_<BoxedBool>
@@ -2066,10 +2066,10 @@ <h3>Using boxed types<a class="headerlink" href="#using-boxed-types" title="Perm
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486848_6763_9" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590486848_6763_9">
+    <button class="collapsible_header" id="btn_1702591034786_793_9" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591034786_793_9">
         <div>
-                <button onclick="copy_code_1702590486848_6763()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034786_793()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -2171,10 +2171,10 @@ <h3>Using boxed types<a class="headerlink" href="#using-boxed-types" title="Perm
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486848_6763_9");
+    var button = document.getElementById("btn_1702591034786_793_9");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486848_6763_9");
+        var content = document.getElementById("content_1702591034786_793_9");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -2184,9 +2184,9 @@ <h3>Using boxed types<a class="headerlink" href="#using-boxed-types" title="Perm
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486848_6763_9");
+            var collapsible_header = document.getElementById("btn_1702591034786_793_9");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486848_6763_9");
+            var collapsible_content = document.getElementById("content_1702591034786_793_9");
             collapsible_content.style.maxHeight = "40em";
             </script>
             <br/>
@@ -2235,7 +2235,7 @@ <h3>Using boxed types<a class="headerlink" href="#using-boxed-types" title="Perm
 </style>
 
     <script>
-       function copy_code_1702590486849_2422() {
+       function copy_code_1702591034787_362() {
             let code = `struct BoxedBool
 {
     bool value;
@@ -2246,10 +2246,10 @@ <h3>Using boxed types<a class="headerlink" href="#using-boxed-types" title="Perm
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486849_2422_10" >C++ glue code</button>
-    <div class="collapsible_content" id="content_1702590486849_2422_10">
+    <button class="collapsible_header" id="btn_1702591034787_362_10" >C++ glue code</button>
+    <div class="collapsible_content" id="content_1702591034787_362_10">
         <div>
-                <button onclick="copy_code_1702590486849_2422()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034787_362()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -2332,10 +2332,10 @@ <h3>Using boxed types<a class="headerlink" href="#using-boxed-types" title="Perm
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486849_2422_10");
+    var button = document.getElementById("btn_1702591034787_362_10");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486849_2422_10");
+        var content = document.getElementById("content_1702591034787_362_10");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -2345,9 +2345,9 @@ <h3>Using boxed types<a class="headerlink" href="#using-boxed-types" title="Perm
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486849_2422_10");
+            var collapsible_header = document.getElementById("btn_1702591034787_362_10");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486849_2422_10");
+            var collapsible_content = document.getElementById("content_1702591034787_362_10");
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     <script>
-       function copy_code_1702590486856_733() {
+       function copy_code_1702591034794_708() {
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-    <div class="collapsible_content" id="content_1702590486856_733_14">
+    <button class="collapsible_header" id="btn_1702591034794_708_14" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591034794_708_14">
         <div>
-                <button onclick="copy_code_1702590486856_733()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034794_708()" align="right">copy &#x270d;</button>
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 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -2511,10 +2511,10 @@ <h3>Adding the modified value to the function output<a class="headerlink" href="
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+        var content = document.getElementById("content_1702591034794_708_14");
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@@ -2524,9 +2524,9 @@ <h3>Adding the modified value to the function output<a class="headerlink" href="
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 </style>
 
     <script>
-       function copy_code_1702590486856_0881() {
+       function copy_code_1702591034794_081() {
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@@ -2593,10 +2593,10 @@ <h3>Adding the modified value to the function output<a class="headerlink" href="
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-    <div class="collapsible_content" id="content_1702590486856_0881_12">
+    <button class="collapsible_header" id="btn_1702591034794_081_12" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591034794_081_12">
         <div>
-                <button onclick="copy_code_1702590486856_0881()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034794_081()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -2686,10 +2686,10 @@ <h3>Adding the modified value to the function output<a class="headerlink" href="
     </div>
     
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+    var button = document.getElementById("btn_1702591034794_081_12");
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+        var content = document.getElementById("content_1702591034794_081_12");
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+            var collapsible_header = document.getElementById("btn_1702591034794_081_12");
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 </style>
 
     <script>
-       function copy_code_1702590486864_104() {
+       function copy_code_1702591034801_7832() {
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-    <div class="collapsible_content" id="content_1702590486864_104_17">
+    <button class="collapsible_header" id="btn_1702591034801_7832_17" >Original C++ decls</button>
+    <div class="collapsible_content" id="content_1702591034801_7832_17">
         <div>
-                <button onclick="copy_code_1702590486864_104()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034801_7832()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -2915,10 +2915,10 @@ <h3>Immutable C array param<a class="headerlink" href="#immutable-c-array-param"
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486864_104_17");
+    var button = document.getElementById("btn_1702591034801_7832_17");
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+        var content = document.getElementById("content_1702591034801_7832_17");
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@@ -2928,9 +2928,9 @@ <h3>Immutable C array param<a class="headerlink" href="#immutable-c-array-param"
     </script>
     
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 </style>
 
     <script>
-       function copy_code_1702590486864_437() {
+       function copy_code_1702591034802_123() {
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-    <div class="collapsible_content" id="content_1702590486864_437_18">
+    <button class="collapsible_header" id="btn_1702591034802_123_18" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591034802_123_18">
         <div>
-                <button onclick="copy_code_1702590486864_437()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034802_123()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -3071,10 +3071,10 @@ <h3>Immutable C array param<a class="headerlink" href="#immutable-c-array-param"
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486864_437_18");
+    var button = document.getElementById("btn_1702591034802_123_18");
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-        var content = document.getElementById("content_1702590486864_437_18");
+        var content = document.getElementById("content_1702591034802_123_18");
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@@ -3084,9 +3084,9 @@ <h3>Immutable C array param<a class="headerlink" href="#immutable-c-array-param"
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486864_437_18");
+            var collapsible_header = document.getElementById("btn_1702591034802_123_18");
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+            var collapsible_content = document.getElementById("content_1702591034802_123_18");
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@@ -3138,7 +3138,7 @@ <h3>Immutable C array param<a class="headerlink" href="#immutable-c-array-param"
 </style>
 
     <script>
-       function copy_code_1702590486863_5269() {
+       function copy_code_1702591034801_181() {
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     {
@@ -3153,10 +3153,10 @@ <h3>Immutable C array param<a class="headerlink" href="#immutable-c-array-param"
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-    <div class="collapsible_content" id="content_1702590486863_5269_15">
+    <button class="collapsible_header" id="btn_1702591034801_181_15" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591034801_181_15">
         <div>
-                <button onclick="copy_code_1702590486863_5269()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034801_181()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -3243,10 +3243,10 @@ <h3>Immutable C array param<a class="headerlink" href="#immutable-c-array-param"
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486863_5269_15");
+    var button = document.getElementById("btn_1702591034801_181_15");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486863_5269_15");
+        var content = document.getElementById("content_1702591034801_181_15");
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@@ -3256,9 +3256,9 @@ <h3>Immutable C array param<a class="headerlink" href="#immutable-c-array-param"
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486863_5269_15");
+            var collapsible_header = document.getElementById("btn_1702591034801_181_15");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486863_5269_15");
+            var collapsible_content = document.getElementById("content_1702591034801_181_15");
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@@ -3391,15 +3391,15 @@ <h3>Modifiable C array param<a class="headerlink" href="#modifiable-c-array-para
 </style>
 
     <script>
-       function copy_code_1702590486879_1099() {
+       function copy_code_1702591034816_608() {
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        }
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-    <button class="collapsible_header" id="btn_1702590486879_1099_21" >Original C++ decls</button>
-    <div class="collapsible_content" id="content_1702590486879_1099_21">
+    <button class="collapsible_header" id="btn_1702591034816_608_21" >Original C++ decls</button>
+    <div class="collapsible_content" id="content_1702591034816_608_21">
         <div>
-                <button onclick="copy_code_1702590486879_1099()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034816_608()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -3477,10 +3477,10 @@ <h3>Modifiable C array param<a class="headerlink" href="#modifiable-c-array-para
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486879_1099_21");
+    var button = document.getElementById("btn_1702591034816_608_21");
     button.addEventListener("click", function() {
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-        var content = document.getElementById("content_1702590486879_1099_21");
+        var content = document.getElementById("content_1702591034816_608_21");
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@@ -3490,9 +3490,9 @@ <h3>Modifiable C array param<a class="headerlink" href="#modifiable-c-array-para
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486879_1099_21");
+            var collapsible_header = document.getElementById("btn_1702591034816_608_21");
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+            var collapsible_content = document.getElementById("content_1702591034816_608_21");
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@@ -3545,7 +3545,7 @@ <h3>Modifiable C array param<a class="headerlink" href="#modifiable-c-array-para
 </style>
 
     <script>
-       function copy_code_1702590486879_67() {
+       function copy_code_1702591034817_17() {
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 class BoxedInt:
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@@ -3561,10 +3561,10 @@ <h3>Modifiable C array param<a class="headerlink" href="#modifiable-c-array-para
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-    <div class="collapsible_content" id="content_1702590486879_67_22">
+    <button class="collapsible_header" id="btn_1702591034817_17_22" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591034817_17_22">
         <div>
-                <button onclick="copy_code_1702590486879_67()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034817_17()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -3653,10 +3653,10 @@ <h3>Modifiable C array param<a class="headerlink" href="#modifiable-c-array-para
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486879_67_22");
+    var button = document.getElementById("btn_1702591034817_17_22");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486879_67_22");
+        var content = document.getElementById("content_1702591034817_17_22");
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@@ -3666,9 +3666,9 @@ <h3>Modifiable C array param<a class="headerlink" href="#modifiable-c-array-para
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486879_67_22");
+            var collapsible_header = document.getElementById("btn_1702591034817_17_22");
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-            var collapsible_content = document.getElementById("content_1702590486879_67_22");
+            var collapsible_content = document.getElementById("content_1702591034817_17_22");
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@@ -3720,7 +3720,7 @@ <h3>Modifiable C array param<a class="headerlink" href="#modifiable-c-array-para
 </style>
 
     <script>
-       function copy_code_1702590486878_078() {
+       function copy_code_1702591034815_6958() {
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 auto pyClassBoxedInt =
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@@ -3755,10 +3755,10 @@ <h3>Modifiable C array param<a class="headerlink" href="#modifiable-c-array-para
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-    <button class="collapsible_header" id="btn_1702590486878_078_19" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590486878_078_19">
+    <button class="collapsible_header" id="btn_1702591034815_6958_19" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591034815_6958_19">
         <div>
-                <button onclick="copy_code_1702590486878_078()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034815_6958()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -3865,10 +3865,10 @@ <h3>Modifiable C array param<a class="headerlink" href="#modifiable-c-array-para
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486878_078_19");
+    var button = document.getElementById("btn_1702591034815_6958_19");
     button.addEventListener("click", function() {
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-        var content = document.getElementById("content_1702590486878_078_19");
+        var content = document.getElementById("content_1702591034815_6958_19");
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@@ -3922,7 +3922,7 @@ <h3>Modifiable C array param<a class="headerlink" href="#modifiable-c-array-para
 </style>
 
     <script>
-       function copy_code_1702590486878_654() {
+       function copy_code_1702591034816_2717() {
             let code = `struct BoxedInt
 {
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@@ -3933,10 +3933,10 @@ <h3>Modifiable C array param<a class="headerlink" href="#modifiable-c-array-para
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-    <div class="collapsible_content" id="content_1702590486878_654_20">
+    <button class="collapsible_header" id="btn_1702591034816_2717_20" >C++ glue code</button>
+    <div class="collapsible_content" id="content_1702591034816_2717_20">
         <div>
-                <button onclick="copy_code_1702590486878_654()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034816_2717()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -4019,10 +4019,10 @@ <h3>Modifiable C array param<a class="headerlink" href="#modifiable-c-array-para
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486878_654_20");
+    var button = document.getElementById("btn_1702591034816_2717_20");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486878_654_20");
+        var content = document.getElementById("content_1702591034816_2717_20");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
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@@ -4153,15 +4153,15 @@ <h3>C style string list<a class="headerlink" href="#c-style-string-list" title="
 </style>
 
     <script>
-       function copy_code_1702590486887_3643() {
+       function copy_code_1702591034825_084() {
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-    <div class="collapsible_content" id="content_1702590486887_3643_25">
+    <button class="collapsible_header" id="btn_1702591034825_084_25" >Original C++ decls</button>
+    <div class="collapsible_content" id="content_1702591034825_084_25">
         <div>
-                <button onclick="copy_code_1702590486887_3643()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034825_084()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -4239,10 +4239,10 @@ <h3>C style string list<a class="headerlink" href="#c-style-string-list" title="
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486887_3643_25");
+    var button = document.getElementById("btn_1702591034825_084_25");
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-        var content = document.getElementById("content_1702590486887_3643_25");
+        var content = document.getElementById("content_1702591034825_084_25");
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@@ -4252,9 +4252,9 @@ <h3>C style string list<a class="headerlink" href="#c-style-string-list" title="
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486887_3643_25");
+            var collapsible_header = document.getElementById("btn_1702591034825_084_25");
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-            var collapsible_content = document.getElementById("content_1702590486887_3643_25");
+            var collapsible_content = document.getElementById("content_1702591034825_084_25");
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@@ -4307,16 +4307,16 @@ <h3>C style string list<a class="headerlink" href="#c-style-string-list" title="
 </style>
 
     <script>
-       function copy_code_1702590486887_695() {
+       function copy_code_1702591034825_43() {
             let code = `def print_items(items: List[str]) -> None:
     pass`;
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486887_695_26" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590486887_695_26">
+    <button class="collapsible_header" id="btn_1702591034825_43_26" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591034825_43_26">
         <div>
-                <button onclick="copy_code_1702590486887_695()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034825_43()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -4395,10 +4395,10 @@ <h3>C style string list<a class="headerlink" href="#c-style-string-list" title="
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486887_695_26");
+    var button = document.getElementById("btn_1702591034825_43_26");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486887_695_26");
+        var content = document.getElementById("content_1702591034825_43_26");
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@@ -4408,9 +4408,9 @@ <h3>C style string list<a class="headerlink" href="#c-style-string-list" title="
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486887_695_26");
+            var collapsible_header = document.getElementById("btn_1702591034825_43_26");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486887_695_26");
+            var collapsible_content = document.getElementById("content_1702591034825_43_26");
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@@ -4462,7 +4462,7 @@ <h3>C style string list<a class="headerlink" href="#c-style-string-list" title="
 </style>
 
     <script>
-       function copy_code_1702590486886_7449() {
+       function copy_code_1702591034824_4312() {
             let code = `m.def("print_items",
     [](const std::vector<std::string> & items)
     {
@@ -4482,10 +4482,10 @@ <h3>C style string list<a class="headerlink" href="#c-style-string-list" title="
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-    <button class="collapsible_header" id="btn_1702590486886_7449_23" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590486886_7449_23">
+    <button class="collapsible_header" id="btn_1702591034824_4312_23" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591034824_4312_23">
         <div>
-                <button onclick="copy_code_1702590486886_7449()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034824_4312()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -4577,10 +4577,10 @@ <h3>C style string list<a class="headerlink" href="#c-style-string-list" title="
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486886_7449_23");
+    var button = document.getElementById("btn_1702591034824_4312_23");
     button.addEventListener("click", function() {
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-        var content = document.getElementById("content_1702590486886_7449_23");
+        var content = document.getElementById("content_1702591034824_4312_23");
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@@ -4710,15 +4710,15 @@ <h3>C style variadic string format<a class="headerlink" href="#c-style-variadic-
 </style>
 
     <script>
-       function copy_code_1702590486894_437() {
+       function copy_code_1702591034832_1973() {
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        }
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-    <div class="collapsible_content" id="content_1702590486894_437_29">
+    <button class="collapsible_header" id="btn_1702591034832_1973_29" >Original C++ decls</button>
+    <div class="collapsible_content" id="content_1702591034832_1973_29">
         <div>
-                <button onclick="copy_code_1702590486894_437()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034832_1973()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -4796,10 +4796,10 @@ <h3>C style variadic string format<a class="headerlink" href="#c-style-variadic-
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486894_437_29");
+    var button = document.getElementById("btn_1702591034832_1973_29");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486894_437_29");
+        var content = document.getElementById("content_1702591034832_1973_29");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -4809,9 +4809,9 @@ <h3>C style variadic string format<a class="headerlink" href="#c-style-variadic-
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486894_437_29");
+            var collapsible_header = document.getElementById("btn_1702591034832_1973_29");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486894_437_29");
+            var collapsible_content = document.getElementById("content_1702591034832_1973_29");
             collapsible_content.style.maxHeight = "20em";
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@@ -4864,16 +4864,16 @@ <h3>C style variadic string format<a class="headerlink" href="#c-style-variadic-
 </style>
 
     <script>
-       function copy_code_1702590486894_7908() {
+       function copy_code_1702591034832_548() {
             let code = `def log(level: LogLevel, format: str) -> None:
     pass`;
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486894_7908_30" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590486894_7908_30">
+    <button class="collapsible_header" id="btn_1702591034832_548_30" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591034832_548_30">
         <div>
-                <button onclick="copy_code_1702590486894_7908()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034832_548()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -4952,10 +4952,10 @@ <h3>C style variadic string format<a class="headerlink" href="#c-style-variadic-
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486894_7908_30");
+    var button = document.getElementById("btn_1702591034832_548_30");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486894_7908_30");
+        var content = document.getElementById("content_1702591034832_548_30");
         if (content.style.maxHeight){
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         } else {
@@ -4965,9 +4965,9 @@ <h3>C style variadic string format<a class="headerlink" href="#c-style-variadic-
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486894_7908_30");
+            var collapsible_header = document.getElementById("btn_1702591034832_548_30");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486894_7908_30");
+            var collapsible_content = document.getElementById("content_1702591034832_548_30");
             collapsible_content.style.maxHeight = "20em";
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@@ -5019,7 +5019,7 @@ <h3>C style variadic string format<a class="headerlink" href="#c-style-variadic-
 </style>
 
     <script>
-       function copy_code_1702590486893_804() {
+       function copy_code_1702591034831_558() {
             let code = `m.def("log",
     [](LogLevel level, const char * const format)
     {
@@ -5034,10 +5034,10 @@ <h3>C style variadic string format<a class="headerlink" href="#c-style-variadic-
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486893_804_27" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590486893_804_27">
+    <button class="collapsible_header" id="btn_1702591034831_558_27" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591034831_558_27">
         <div>
-                <button onclick="copy_code_1702590486893_804()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034831_558()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -5124,10 +5124,10 @@ <h3>C style variadic string format<a class="headerlink" href="#c-style-variadic-
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486893_804_27");
+    var button = document.getElementById("btn_1702591034831_558_27");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486893_804_27");
+        var content = document.getElementById("content_1702591034831_558_27");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -5218,7 +5218,7 @@ <h3>Simple numeric buffers<a class="headerlink" href="#simple-numeric-buffers" t
 </style>
 
     <script>
-       function copy_code_1702590486904_649() {
+       function copy_code_1702591034842_277() {
             let code = `
 def plot_xy(x_values: np.ndarray, y_values: np.ndarray) -> None:
     pass
@@ -5226,10 +5226,10 @@ <h3>Simple numeric buffers<a class="headerlink" href="#simple-numeric-buffers" t
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486904_649_33" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590486904_649_33">
+    <button class="collapsible_header" id="btn_1702591034842_277_33" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591034842_277_33">
         <div>
-                <button onclick="copy_code_1702590486904_649()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034842_277()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -5308,10 +5308,10 @@ <h3>Simple numeric buffers<a class="headerlink" href="#simple-numeric-buffers" t
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486904_649_33");
+    var button = document.getElementById("btn_1702591034842_277_33");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486904_649_33");
+        var content = document.getElementById("content_1702591034842_277_33");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -5321,9 +5321,9 @@ <h3>Simple numeric buffers<a class="headerlink" href="#simple-numeric-buffers" t
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486904_649_33");
+            var collapsible_header = document.getElementById("btn_1702591034842_277_33");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486904_649_33");
+            var collapsible_content = document.getElementById("content_1702591034842_277_33");
             collapsible_content.style.maxHeight = "60em";
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             <br/>
@@ -5372,7 +5372,7 @@ <h3>Simple numeric buffers<a class="headerlink" href="#simple-numeric-buffers" t
 </style>
 
     <script>
-       function copy_code_1702590486903_761() {
+       function copy_code_1702591034841_451() {
             let code = `m.def("plot_xy",
     [](const py::array & xValues, const py::array & yValues)
     {
@@ -5413,10 +5413,10 @@ <h3>Simple numeric buffers<a class="headerlink" href="#simple-numeric-buffers" t
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486903_761_31" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590486903_761_31">
+    <button class="collapsible_header" id="btn_1702591034841_451_31" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591034841_451_31">
         <div>
-                <button onclick="copy_code_1702590486903_761()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034841_451()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -5529,10 +5529,10 @@ <h3>Simple numeric buffers<a class="headerlink" href="#simple-numeric-buffers" t
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486903_761_31");
+    var button = document.getElementById("btn_1702591034841_451_31");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486903_761_31");
+        var content = document.getElementById("content_1702591034841_451_31");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -5620,7 +5620,7 @@ <h3>Template numeric buffers<a class="headerlink" href="#template-numeric-buffer
 </style>
 
     <script>
-       function copy_code_1702590486926_73() {
+       function copy_code_1702591034865_996() {
             let code = `
 def plot_xy(color: Color, x_values: np.ndarray, y_values: np.ndarray) -> None:
     pass
@@ -5628,10 +5628,10 @@ <h3>Template numeric buffers<a class="headerlink" href="#template-numeric-buffer
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486926_73_36" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590486926_73_36">
+    <button class="collapsible_header" id="btn_1702591034865_996_36" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591034865_996_36">
         <div>
-                <button onclick="copy_code_1702590486926_73()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034865_996()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -5710,10 +5710,10 @@ <h3>Template numeric buffers<a class="headerlink" href="#template-numeric-buffer
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486926_73_36");
+    var button = document.getElementById("btn_1702591034865_996_36");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486926_73_36");
+        var content = document.getElementById("content_1702591034865_996_36");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -5723,9 +5723,9 @@ <h3>Template numeric buffers<a class="headerlink" href="#template-numeric-buffer
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486926_73_36");
+            var collapsible_header = document.getElementById("btn_1702591034865_996_36");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486926_73_36");
+            var collapsible_content = document.getElementById("content_1702591034865_996_36");
             collapsible_content.style.maxHeight = "80em";
             </script>
             <br/>
@@ -5774,7 +5774,7 @@ <h3>Template numeric buffers<a class="headerlink" href="#template-numeric-buffer
 </style>
 
     <script>
-       function copy_code_1702590486925_9597() {
+       function copy_code_1702591034865_289() {
             let code = `m.def("plot_xy",
     [](Color color, const py::array & xValues, const py::array & yValues)
     {
@@ -5832,10 +5832,10 @@ <h3>Template numeric buffers<a class="headerlink" href="#template-numeric-buffer
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486925_9597_34" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590486925_9597_34">
+    <button class="collapsible_header" id="btn_1702591034865_289_34" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591034865_289_34">
         <div>
-                <button onclick="copy_code_1702590486925_9597()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034865_289()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -5965,10 +5965,10 @@ <h3>Template numeric buffers<a class="headerlink" href="#template-numeric-buffer
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486925_9597_34");
+    var button = document.getElementById("btn_1702591034865_289_34");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486925_9597_34");
+        var content = document.getElementById("content_1702591034865_289_34");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -6114,7 +6114,7 @@ <h2>Vectorize functions<a class="headerlink" href="#vectorize-functions" title="
 </style>
 
     <script>
-       function copy_code_1702590486934_741() {
+       function copy_code_1702591034874_847() {
             let code = `
     namespace MathFunctions
     {
@@ -6125,10 +6125,10 @@ <h2>Vectorize functions<a class="headerlink" href="#vectorize-functions" title="
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486934_741_39" >Original C++ decls</button>
-    <div class="collapsible_content" id="content_1702590486934_741_39">
+    <button class="collapsible_header" id="btn_1702591034874_847_39" >Original C++ decls</button>
+    <div class="collapsible_content" id="content_1702591034874_847_39">
         <div>
-                <button onclick="copy_code_1702590486934_741()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034874_847()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -6210,10 +6210,10 @@ <h2>Vectorize functions<a class="headerlink" href="#vectorize-functions" title="
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486934_741_39");
+    var button = document.getElementById("btn_1702591034874_847_39");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486934_741_39");
+        var content = document.getElementById("content_1702591034874_847_39");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -6223,9 +6223,9 @@ <h2>Vectorize functions<a class="headerlink" href="#vectorize-functions" title="
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486934_741_39");
+            var collapsible_header = document.getElementById("btn_1702591034874_847_39");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486934_741_39");
+            var collapsible_content = document.getElementById("content_1702591034874_847_39");
             collapsible_content.style.maxHeight = "40em";
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@@ -6278,7 +6278,7 @@ <h2>Vectorize functions<a class="headerlink" href="#vectorize-functions" title="
 </style>
 
     <script>
-       function copy_code_1702590486935_4492() {
+       function copy_code_1702591034875_658() {
             let code = `
 
 # <submodule math_functions>
@@ -6302,10 +6302,10 @@ <h2>Vectorize functions<a class="headerlink" href="#vectorize-functions" title="
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486935_4492_40" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590486935_4492_40">
+    <button class="collapsible_header" id="btn_1702591034875_658_40" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591034875_658_40">
         <div>
-                <button onclick="copy_code_1702590486935_4492()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034875_658()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -6399,10 +6399,10 @@ <h2>Vectorize functions<a class="headerlink" href="#vectorize-functions" title="
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486935_4492_40");
+    var button = document.getElementById("btn_1702591034875_658_40");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486935_4492_40");
+        var content = document.getElementById("content_1702591034875_658_40");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -6412,9 +6412,9 @@ <h2>Vectorize functions<a class="headerlink" href="#vectorize-functions" title="
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486935_4492_40");
+            var collapsible_header = document.getElementById("btn_1702591034875_658_40");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486935_4492_40");
+            var collapsible_content = document.getElementById("content_1702591034875_658_40");
             collapsible_content.style.maxHeight = "40em";
             </script>
             
@@ -6466,7 +6466,7 @@ <h2>Vectorize functions<a class="headerlink" href="#vectorize-functions" title="
 </style>
 
     <script>
-       function copy_code_1702590486934_0632() {
+       function copy_code_1702591034874_045() {
             let code = `
 { // <namespace MathFunctions>
     py::module_ pyNsMathFunctions = m.def_submodule("math_functions", "");
@@ -6484,10 +6484,10 @@ <h2>Vectorize functions<a class="headerlink" href="#vectorize-functions" title="
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486934_0632_37" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590486934_0632_37">
+    <button class="collapsible_header" id="btn_1702591034874_045_37" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591034874_045_37">
         <div>
-                <button onclick="copy_code_1702590486934_0632()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034874_045()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -6576,10 +6576,10 @@ <h2>Vectorize functions<a class="headerlink" href="#vectorize-functions" title="
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486934_0632_37");
+    var button = document.getElementById("btn_1702591034874_045_37");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486934_0632_37");
+        var content = document.getElementById("content_1702591034874_045_37");
         if (content.style.maxHeight){
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         } else {
@@ -6657,7 +6657,7 @@ <h2>Accepting args and kwargs<a class="headerlink" href="#accepting-args-and-kwa
 </style>
 
     <script>
-       function copy_code_1702590486941_661() {
+       function copy_code_1702591034881_957() {
             let code = `
 def generic(*args, **kwargs) -> None:
     pass
@@ -6665,10 +6665,10 @@ <h2>Accepting args and kwargs<a class="headerlink" href="#accepting-args-and-kwa
             navigator.clipboard.writeText(code);
        }
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-    <button class="collapsible_header" id="btn_1702590486941_661_41" ></button>
-    <div class="collapsible_content" id="content_1702590486941_661_41">
+    <button class="collapsible_header" id="btn_1702591034881_957_41" ></button>
+    <div class="collapsible_content" id="content_1702591034881_957_41">
         <div>
-                <button onclick="copy_code_1702590486941_661()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034881_957()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -6747,10 +6747,10 @@ <h2>Accepting args and kwargs<a class="headerlink" href="#accepting-args-and-kwa
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486941_661_41");
+    var button = document.getElementById("btn_1702591034881_957_41");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486941_661_41");
+        var content = document.getElementById("content_1702591034881_957_41");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -6760,9 +6760,9 @@ <h2>Accepting args and kwargs<a class="headerlink" href="#accepting-args-and-kwa
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486941_661_41");
+            var collapsible_header = document.getElementById("btn_1702591034881_957_41");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486941_661_41");
+            var collapsible_content = document.getElementById("content_1702591034881_957_41");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
             </script>
             </div></div>
@@ -6833,7 +6833,7 @@ <h3>Automatic overload<a class="headerlink" href="#automatic-overload" title="Pe
 </style>
 
     <script>
-       function copy_code_1702590486947_376() {
+       function copy_code_1702591034888_6133() {
             let code = `m.def("foo",
     py::overload_cast<int>(foo), py::arg("x"));
 
@@ -6843,10 +6843,10 @@ <h3>Automatic overload<a class="headerlink" href="#automatic-overload" title="Pe
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486947_376_42" ></button>
-    <div class="collapsible_content" id="content_1702590486947_376_42">
+    <button class="collapsible_header" id="btn_1702591034888_6133_42" ></button>
+    <div class="collapsible_content" id="content_1702591034888_6133_42">
         <div>
-                <button onclick="copy_code_1702590486947_376()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034888_6133()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -6928,10 +6928,10 @@ <h3>Automatic overload<a class="headerlink" href="#automatic-overload" title="Pe
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486947_376_42");
+    var button = document.getElementById("btn_1702591034888_6133_42");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486947_376_42");
+        var content = document.getElementById("content_1702591034888_6133_42");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -6941,9 +6941,9 @@ <h3>Automatic overload<a class="headerlink" href="#automatic-overload" title="Pe
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486947_376_42");
+            var collapsible_header = document.getElementById("btn_1702591034888_6133_42");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486947_376_42");
+            var collapsible_content = document.getElementById("content_1702591034888_6133_42");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
             </script>
             </div></div>
@@ -7011,17 +7011,17 @@ <h3>Manual overload<a class="headerlink" href="#manual-overload" title="Permalin
 </style>
 
     <script>
-       function copy_code_1702590486952_286() {
+       function copy_code_1702591034894_188() {
             let code = `m.def("foo2",
     py::overload_cast<int>(foo2), py::arg("x"));
 `;
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486952_286_43" ></button>
-    <div class="collapsible_content" id="content_1702590486952_286_43">
+    <button class="collapsible_header" id="btn_1702591034894_188_43" ></button>
+    <div class="collapsible_content" id="content_1702591034894_188_43">
         <div>
-                <button onclick="copy_code_1702590486952_286()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034894_188()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -7100,10 +7100,10 @@ <h3>Manual overload<a class="headerlink" href="#manual-overload" title="Permalin
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486952_286_43");
+    var button = document.getElementById("btn_1702591034894_188_43");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486952_286_43");
+        var content = document.getElementById("content_1702591034894_188_43");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -7113,9 +7113,9 @@ <h3>Manual overload<a class="headerlink" href="#manual-overload" title="Permalin
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486952_286_43");
+            var collapsible_header = document.getElementById("btn_1702591034894_188_43");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486952_286_43");
+            var collapsible_content = document.getElementById("content_1702591034894_188_43");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
             </script>
             </div></div>
@@ -7183,7 +7183,7 @@ <h3>Force usage of a lambda function<a class="headerlink" href="#force-usage-of-
 </style>
 
     <script>
-       function copy_code_1702590486957_515() {
+       function copy_code_1702591034899_8242() {
             let code = `m.def("foo3",
     [](int x)
     {
@@ -7198,10 +7198,10 @@ <h3>Force usage of a lambda function<a class="headerlink" href="#force-usage-of-
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590486957_515_44" ></button>
-    <div class="collapsible_content" id="content_1702590486957_515_44">
+    <button class="collapsible_header" id="btn_1702591034899_8242_44" ></button>
+    <div class="collapsible_content" id="content_1702591034899_8242_44">
         <div>
-                <button onclick="copy_code_1702590486957_515()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591034899_8242()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -7288,10 +7288,10 @@ <h3>Force usage of a lambda function<a class="headerlink" href="#force-usage-of-
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590486957_515_44");
+    var button = document.getElementById("btn_1702591034899_8242_44");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590486957_515_44");
+        var content = document.getElementById("content_1702591034899_8242_44");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -7301,9 +7301,9 @@ <h3>Force usage of a lambda function<a class="headerlink" href="#force-usage-of-
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590486957_515_44");
+            var collapsible_header = document.getElementById("btn_1702591034899_8242_44");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590486957_515_44");
+            var collapsible_content = document.getElementById("content_1702591034899_8242_44");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
             </script>
             </div></div>
diff --git a/docs/litgen_book/06_05_00_classes.html b/docs/litgen_book/06_05_00_classes.html
index e8815472..91365113 100644
--- a/docs/litgen_book/06_05_00_classes.html
+++ b/docs/litgen_book/06_05_00_classes.html
@@ -257,7 +257,7 @@
       
       
       
-      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/packages/litgen/litgen-book/06_05_00_classes.ipynb" target="_blank"
+      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/litgen-book/06_05_00_classes.ipynb" target="_blank"
    class="btn btn-sm dropdown-item"
    title="Launch onBinder"
    data-bs-placement="left" data-bs-toggle="tooltip"
@@ -531,7 +531,7 @@ <h2>Exclude members and classes<a class="headerlink" href="#exclude-members-and-
 </style>
 
     <script>
-       function copy_code_1702590487916_055() {
+       function copy_code_1702591035778_698() {
             let code = `
 
 class Foo:
@@ -545,10 +545,10 @@ <h2>Exclude members and classes<a class="headerlink" href="#exclude-members-and-
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590487916_055_2" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590487916_055_2">
+    <button class="collapsible_header" id="btn_1702591035778_698_2" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591035778_698_2">
         <div>
-                <button onclick="copy_code_1702590487916_055()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035778_698()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -632,10 +632,10 @@ <h2>Exclude members and classes<a class="headerlink" href="#exclude-members-and-
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590487916_055_2");
+    var button = document.getElementById("btn_1702591035778_698_2");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590487916_055_2");
+        var content = document.getElementById("content_1702591035778_698_2");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -645,9 +645,9 @@ <h2>Exclude members and classes<a class="headerlink" href="#exclude-members-and-
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590487916_055_2");
+            var collapsible_header = document.getElementById("btn_1702591035778_698_2");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590487916_055_2");
+            var collapsible_content = document.getElementById("content_1702591035778_698_2");
             collapsible_content.style.maxHeight = "20em";
             </script>
             <br/>
@@ -696,7 +696,7 @@ <h2>Exclude members and classes<a class="headerlink" href="#exclude-members-and-
 </style>
 
     <script>
-       function copy_code_1702590487900_48() {
+       function copy_code_1702591035762_719() {
             let code = `auto pyClassFoo =
     py::class_<Foo>
         (m, "Foo", "")
@@ -717,10 +717,10 @@ <h2>Exclude members and classes<a class="headerlink" href="#exclude-members-and-
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590487900_48_0" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590487900_48_0">
+    <button class="collapsible_header" id="btn_1702591035762_719_0" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591035762_719_0">
         <div>
-                <button onclick="copy_code_1702590487900_48()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035762_719()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -813,10 +813,10 @@ <h2>Exclude members and classes<a class="headerlink" href="#exclude-members-and-
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590487900_48_0");
+    var button = document.getElementById("btn_1702591035762_719_0");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590487900_48_0");
+        var content = document.getElementById("content_1702591035762_719_0");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -912,7 +912,7 @@ <h2>Default constructor with named params<a class="headerlink" href="#default-co
 </style>
 
     <script>
-       function copy_code_1702590487939_698() {
+       function copy_code_1702591035803_4172() {
             let code = `
 class Options(enum.Enum):
     a = enum.auto() # (= 0)
@@ -946,10 +946,10 @@ <h2>Default constructor with named params<a class="headerlink" href="#default-co
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590487939_698_5" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590487939_698_5">
+    <button class="collapsible_header" id="btn_1702591035803_4172_5" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591035803_4172_5">
         <div>
-                <button onclick="copy_code_1702590487939_698()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035803_4172()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1054,10 +1054,10 @@ <h2>Default constructor with named params<a class="headerlink" href="#default-co
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590487939_698_5");
+    var button = document.getElementById("btn_1702591035803_4172_5");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590487939_698_5");
+        var content = document.getElementById("content_1702591035803_4172_5");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1067,9 +1067,9 @@ <h2>Default constructor with named params<a class="headerlink" href="#default-co
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590487939_698_5");
+            var collapsible_header = document.getElementById("btn_1702591035803_4172_5");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590487939_698_5");
+            var collapsible_content = document.getElementById("content_1702591035803_4172_5");
             collapsible_content.style.maxHeight = "40em";
             </script>
             <br/>
@@ -1118,7 +1118,7 @@ <h2>Default constructor with named params<a class="headerlink" href="#default-co
 </style>
 
     <script>
-       function copy_code_1702590487938_2908() {
+       function copy_code_1702591035801_9841() {
             let code = `py::enum_<Options>(m, "Options", py::arithmetic(), "")
     .value("a", Options::A, "")
     .value("b", Options::B, "");
@@ -1171,10 +1171,10 @@ <h2>Default constructor with named params<a class="headerlink" href="#default-co
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590487938_2908_3" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590487938_2908_3">
+    <button class="collapsible_header" id="btn_1702591035801_9841_3" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591035801_9841_3">
         <div>
-                <button onclick="copy_code_1702590487938_2908()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035801_9841()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1299,10 +1299,10 @@ <h2>Default constructor with named params<a class="headerlink" href="#default-co
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590487938_2908_3");
+    var button = document.getElementById("btn_1702591035801_9841_3");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590487938_2908_3");
+        var content = document.getElementById("content_1702591035801_9841_3");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1379,7 +1379,7 @@ <h2>Expose protected member functions<a class="headerlink" href="#expose-protect
 </style>
 
     <script>
-       function copy_code_1702590487945_7559() {
+       function copy_code_1702591035809_5732() {
             let code = `
 class A:
     def __init__(self) -> None:
@@ -1395,10 +1395,10 @@ <h2>Expose protected member functions<a class="headerlink" href="#expose-protect
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590487945_7559_8" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590487945_7559_8">
+    <button class="collapsible_header" id="btn_1702591035809_5732_8" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591035809_5732_8">
         <div>
-                <button onclick="copy_code_1702590487945_7559()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035809_5732()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1484,10 +1484,10 @@ <h2>Expose protected member functions<a class="headerlink" href="#expose-protect
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590487945_7559_8");
+    var button = document.getElementById("btn_1702591035809_5732_8");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590487945_7559_8");
+        var content = document.getElementById("content_1702591035809_5732_8");
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@@ -1497,9 +1497,9 @@ <h2>Expose protected member functions<a class="headerlink" href="#expose-protect
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590487945_7559_8");
+            var collapsible_header = document.getElementById("btn_1702591035809_5732_8");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590487945_7559_8");
+            var collapsible_content = document.getElementById("content_1702591035809_5732_8");
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@@ -1548,7 +1548,7 @@ <h2>Expose protected member functions<a class="headerlink" href="#expose-protect
 </style>
 
     <script>
-       function copy_code_1702590487944_995() {
+       function copy_code_1702591035808_8079() {
             let code = `auto pyClassA =
     py::class_<A>
         (m, "A", "")
@@ -1560,10 +1560,10 @@ <h2>Expose protected member functions<a class="headerlink" href="#expose-protect
             navigator.clipboard.writeText(code);
        }
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-    <button class="collapsible_header" id="btn_1702590487944_995_6" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590487944_995_6">
+    <button class="collapsible_header" id="btn_1702591035808_8079_6" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591035808_8079_6">
         <div>
-                <button onclick="copy_code_1702590487944_995()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035808_8079()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1647,10 +1647,10 @@ <h2>Expose protected member functions<a class="headerlink" href="#expose-protect
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590487944_995_6");
+    var button = document.getElementById("btn_1702591035808_8079_6");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590487944_995_6");
+        var content = document.getElementById("content_1702591035808_8079_6");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1660,9 +1660,9 @@ <h2>Expose protected member functions<a class="headerlink" href="#expose-protect
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590487944_995_6");
+            var collapsible_header = document.getElementById("btn_1702591035808_8079_6");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590487944_995_6");
+            var collapsible_content = document.getElementById("content_1702591035808_8079_6");
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@@ -1711,7 +1711,7 @@ <h2>Expose protected member functions<a class="headerlink" href="#expose-protect
 </style>
 
     <script>
-       function copy_code_1702590487945_359() {
+       function copy_code_1702591035809_175() {
             let code = `
 
 // helper type for exposing protected functions
@@ -1725,10 +1725,10 @@ <h2>Expose protected member functions<a class="headerlink" href="#expose-protect
             navigator.clipboard.writeText(code);
        }
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-    <button class="collapsible_header" id="btn_1702590487945_359_7" >C++ glue code</button>
-    <div class="collapsible_content" id="content_1702590487945_359_7">
+    <button class="collapsible_header" id="btn_1702591035809_175_7" >C++ glue code</button>
+    <div class="collapsible_content" id="content_1702591035809_175_7">
         <div>
-                <button onclick="copy_code_1702590487945_359()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035809_175()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1811,10 +1811,10 @@ <h2>Expose protected member functions<a class="headerlink" href="#expose-protect
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590487945_359_7");
+    var button = document.getElementById("btn_1702591035809_175_7");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590487945_359_7");
+        var content = document.getElementById("content_1702591035809_175_7");
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@@ -1824,9 +1824,9 @@ <h2>Expose protected member functions<a class="headerlink" href="#expose-protect
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590487945_359_7");
+            var collapsible_header = document.getElementById("btn_1702591035809_175_7");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590487945_359_7");
+            var collapsible_content = document.getElementById("content_1702591035809_175_7");
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             </div></div>
@@ -1902,7 +1902,7 @@ <h2>Overriding virtual methods in Python<a class="headerlink" href="#overriding-
 </style>
 
     <script>
-       function copy_code_1702590487953_1719() {
+       function copy_code_1702591035817_081() {
             let code = `
 class Animal:
     def go(self, n_times: int) -> str: # overridable (pure virtual)
@@ -1914,10 +1914,10 @@ <h2>Overriding virtual methods in Python<a class="headerlink" href="#overriding-
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590487953_1719_11" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590487953_1719_11">
+    <button class="collapsible_header" id="btn_1702591035817_081_11" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591035817_081_11">
         <div>
-                <button onclick="copy_code_1702590487953_1719()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035817_081()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -2000,10 +2000,10 @@ <h2>Overriding virtual methods in Python<a class="headerlink" href="#overriding-
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590487953_1719_11");
+    var button = document.getElementById("btn_1702591035817_081_11");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590487953_1719_11");
+        var content = document.getElementById("content_1702591035817_081_11");
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@@ -2013,9 +2013,9 @@ <h2>Overriding virtual methods in Python<a class="headerlink" href="#overriding-
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590487953_1719_11");
+            var collapsible_header = document.getElementById("btn_1702591035817_081_11");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590487953_1719_11");
+            var collapsible_content = document.getElementById("content_1702591035817_081_11");
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@@ -2064,7 +2064,7 @@ <h2>Overriding virtual methods in Python<a class="headerlink" href="#overriding-
 </style>
 
     <script>
-       function copy_code_1702590487952_1501() {
+       function copy_code_1702591035816_063() {
             let code = `auto pyClassAnimal =
     py::class_<Animal, Animal_trampoline>
         (m, "Animal", "")
@@ -2076,10 +2076,10 @@ <h2>Overriding virtual methods in Python<a class="headerlink" href="#overriding-
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        }
     </script>
-    <button class="collapsible_header" id="btn_1702590487952_1501_9" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590487952_1501_9">
+    <button class="collapsible_header" id="btn_1702591035816_063_9" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591035816_063_9">
         <div>
-                <button onclick="copy_code_1702590487952_1501()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035816_063()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -2163,10 +2163,10 @@ <h2>Overriding virtual methods in Python<a class="headerlink" href="#overriding-
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590487952_1501_9");
+    var button = document.getElementById("btn_1702591035816_063_9");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590487952_1501_9");
+        var content = document.getElementById("content_1702591035816_063_9");
         if (content.style.maxHeight){
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@@ -2176,9 +2176,9 @@ <h2>Overriding virtual methods in Python<a class="headerlink" href="#overriding-
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590487952_1501_9");
+            var collapsible_header = document.getElementById("btn_1702591035816_063_9");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590487952_1501_9");
+            var collapsible_content = document.getElementById("content_1702591035816_063_9");
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             <br/>
@@ -2227,7 +2227,7 @@ <h2>Overriding virtual methods in Python<a class="headerlink" href="#overriding-
 </style>
 
     <script>
-       function copy_code_1702590487952_749() {
+       function copy_code_1702591035816_659() {
             let code = `
 
 // helper type to enable overriding virtual methods in python
@@ -2252,10 +2252,10 @@ <h2>Overriding virtual methods in Python<a class="headerlink" href="#overriding-
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590487952_749_10" >C++ glue code</button>
-    <div class="collapsible_content" id="content_1702590487952_749_10">
+    <button class="collapsible_header" id="btn_1702591035816_659_10" >C++ glue code</button>
+    <div class="collapsible_content" id="content_1702591035816_659_10">
         <div>
-                <button onclick="copy_code_1702590487952_749()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035816_659()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -2349,10 +2349,10 @@ <h2>Overriding virtual methods in Python<a class="headerlink" href="#overriding-
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590487952_749_10");
+    var button = document.getElementById("btn_1702591035816_659_10");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590487952_749_10");
+        var content = document.getElementById("content_1702591035816_659_10");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -2362,9 +2362,9 @@ <h2>Overriding virtual methods in Python<a class="headerlink" href="#overriding-
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590487952_749_10");
+            var collapsible_header = document.getElementById("btn_1702591035816_659_10");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590487952_749_10");
+            var collapsible_content = document.getElementById("content_1702591035816_659_10");
             collapsible_content.style.maxHeight = "40em";
             </script>
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@@ -2449,7 +2449,7 @@ <h2>Combining virtual functions and inheritance<a class="headerlink" href="#comb
 </style>
 
     <script>
-       function copy_code_1702590487966_038() {
+       function copy_code_1702591035830_6938() {
             let code = `
 class Animal:
     def go(self, n_times: int) -> str: # overridable (pure virtual)
@@ -2472,10 +2472,10 @@ <h2>Combining virtual functions and inheritance<a class="headerlink" href="#comb
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590487966_038_14" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590487966_038_14">
+    <button class="collapsible_header" id="btn_1702591035830_6938_14" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591035830_6938_14">
         <div>
-                <button onclick="copy_code_1702590487966_038()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035830_6938()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -2569,10 +2569,10 @@ <h2>Combining virtual functions and inheritance<a class="headerlink" href="#comb
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590487966_038_14");
+    var button = document.getElementById("btn_1702591035830_6938_14");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590487966_038_14");
+        var content = document.getElementById("content_1702591035830_6938_14");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -2582,9 +2582,9 @@ <h2>Combining virtual functions and inheritance<a class="headerlink" href="#comb
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590487966_038_14");
+            var collapsible_header = document.getElementById("btn_1702591035830_6938_14");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590487966_038_14");
+            var collapsible_content = document.getElementById("content_1702591035830_6938_14");
             collapsible_content.style.maxHeight = "30em";
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             <br/>
@@ -2633,7 +2633,7 @@ <h2>Combining virtual functions and inheritance<a class="headerlink" href="#comb
 </style>
 
     <script>
-       function copy_code_1702590487963_92() {
+       function copy_code_1702591035828_5() {
             let code = `auto pyClassAnimal =
     py::class_<Animal, Animal_trampoline>
         (m, "Animal", "")
@@ -2658,10 +2658,10 @@ <h2>Combining virtual functions and inheritance<a class="headerlink" href="#comb
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590487963_92_12" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590487963_92_12">
+    <button class="collapsible_header" id="btn_1702591035828_5_12" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591035828_5_12">
         <div>
-                <button onclick="copy_code_1702590487963_92()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035828_5()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -2758,10 +2758,10 @@ <h2>Combining virtual functions and inheritance<a class="headerlink" href="#comb
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590487963_92_12");
+    var button = document.getElementById("btn_1702591035828_5_12");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590487963_92_12");
+        var content = document.getElementById("content_1702591035828_5_12");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -2771,9 +2771,9 @@ <h2>Combining virtual functions and inheritance<a class="headerlink" href="#comb
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590487963_92_12");
+            var collapsible_header = document.getElementById("btn_1702591035828_5_12");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590487963_92_12");
+            var collapsible_content = document.getElementById("content_1702591035828_5_12");
             collapsible_content.style.maxHeight = "30em";
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             <br/>
@@ -2822,7 +2822,7 @@ <h2>Combining virtual functions and inheritance<a class="headerlink" href="#comb
 </style>
 
     <script>
-       function copy_code_1702590487965_342() {
+       function copy_code_1702591035829_953() {
             let code = `
 
 // helper type to enable overriding virtual methods in python
@@ -2894,10 +2894,10 @@ <h2>Combining virtual functions and inheritance<a class="headerlink" href="#comb
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590487965_342_13" >C++ glue code</button>
-    <div class="collapsible_content" id="content_1702590487965_342_13">
+    <button class="collapsible_header" id="btn_1702591035829_953_13" >C++ glue code</button>
+    <div class="collapsible_content" id="content_1702591035829_953_13">
         <div>
-                <button onclick="copy_code_1702590487965_342()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035829_953()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -3038,10 +3038,10 @@ <h2>Combining virtual functions and inheritance<a class="headerlink" href="#comb
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590487965_342_13");
+    var button = document.getElementById("btn_1702591035829_953_13");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590487965_342_13");
+        var content = document.getElementById("content_1702591035829_953_13");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -3051,9 +3051,9 @@ <h2>Combining virtual functions and inheritance<a class="headerlink" href="#comb
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590487965_342_13");
+            var collapsible_header = document.getElementById("btn_1702591035829_953_13");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590487965_342_13");
+            var collapsible_content = document.getElementById("content_1702591035829_953_13");
             collapsible_content.style.maxHeight = "30em";
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             </div></div>
@@ -3145,7 +3145,7 @@ <h3>Overloading addition, substraction, etc.<a class="headerlink" href="#overloa
 </style>
 
     <script>
-       function copy_code_1702590487983_849() {
+       function copy_code_1702591035849_335() {
             let code = `
 class IntWrapper:
     value: int
@@ -3187,10 +3187,10 @@ <h3>Overloading addition, substraction, etc.<a class="headerlink" href="#overloa
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590487983_849_17" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590487983_849_17">
+    <button class="collapsible_header" id="btn_1702591035849_335_17" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591035849_335_17">
         <div>
-                <button onclick="copy_code_1702590487983_849()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035849_335()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -3303,10 +3303,10 @@ <h3>Overloading addition, substraction, etc.<a class="headerlink" href="#overloa
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590487983_849_17");
+    var button = document.getElementById("btn_1702591035849_335_17");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590487983_849_17");
+        var content = document.getElementById("content_1702591035849_335_17");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -3316,9 +3316,9 @@ <h3>Overloading addition, substraction, etc.<a class="headerlink" href="#overloa
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590487983_849_17");
+            var collapsible_header = document.getElementById("btn_1702591035849_335_17");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590487983_849_17");
+            var collapsible_content = document.getElementById("content_1702591035849_335_17");
             collapsible_content.style.maxHeight = "60em";
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@@ -3367,7 +3367,7 @@ <h3>Overloading addition, substraction, etc.<a class="headerlink" href="#overloa
 </style>
 
     <script>
-       function copy_code_1702590487982_531() {
+       function copy_code_1702591035847_971() {
             let code = `auto pyClassIntWrapper =
     py::class_<IntWrapper>
         (m, "IntWrapper", "")
@@ -3397,10 +3397,10 @@ <h3>Overloading addition, substraction, etc.<a class="headerlink" href="#overloa
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590487982_531_15" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590487982_531_15">
+    <button class="collapsible_header" id="btn_1702591035847_971_15" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591035847_971_15">
         <div>
-                <button onclick="copy_code_1702590487982_531()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035847_971()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -3502,10 +3502,10 @@ <h3>Overloading addition, substraction, etc.<a class="headerlink" href="#overloa
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590487982_531_15");
+    var button = document.getElementById("btn_1702591035847_971_15");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590487982_531_15");
+        var content = document.getElementById("content_1702591035847_971_15");
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@@ -3641,7 +3641,7 @@ <h3>Overloading comparisons with the spaceship operator<a class="headerlink" hre
 </style>
 
     <script>
-       function copy_code_1702590488004_2651() {
+       function copy_code_1702591035869_897() {
             let code = `
     struct Point
     {
@@ -3653,10 +3653,10 @@ <h3>Overloading comparisons with the spaceship operator<a class="headerlink" hre
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590488004_2651_20" >Original C++ decls</button>
-    <div class="collapsible_content" id="content_1702590488004_2651_20">
+    <button class="collapsible_header" id="btn_1702591035869_897_20" >Original C++ decls</button>
+    <div class="collapsible_content" id="content_1702591035869_897_20">
         <div>
-                <button onclick="copy_code_1702590488004_2651()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035869_897()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -3739,10 +3739,10 @@ <h3>Overloading comparisons with the spaceship operator<a class="headerlink" hre
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590488004_2651_20");
+    var button = document.getElementById("btn_1702591035869_897_20");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590488004_2651_20");
+        var content = document.getElementById("content_1702591035869_897_20");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -3752,9 +3752,9 @@ <h3>Overloading comparisons with the spaceship operator<a class="headerlink" hre
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590488004_2651_20");
+            var collapsible_header = document.getElementById("btn_1702591035869_897_20");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590488004_2651_20");
+            var collapsible_content = document.getElementById("content_1702591035869_897_20");
             collapsible_content.style.maxHeight = "60em";
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@@ -3807,7 +3807,7 @@ <h3>Overloading comparisons with the spaceship operator<a class="headerlink" hre
 </style>
 
     <script>
-       function copy_code_1702590488005_162() {
+       function copy_code_1702591035870_796() {
             let code = `
 class Point:
     x: int
@@ -3844,10 +3844,10 @@ <h3>Overloading comparisons with the spaceship operator<a class="headerlink" hre
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590488005_162_21" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590488005_162_21">
+    <button class="collapsible_header" id="btn_1702591035870_796_21" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591035870_796_21">
         <div>
-                <button onclick="copy_code_1702590488005_162()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035870_796()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -3955,10 +3955,10 @@ <h3>Overloading comparisons with the spaceship operator<a class="headerlink" hre
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590488005_162_21");
+    var button = document.getElementById("btn_1702591035870_796_21");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590488005_162_21");
+        var content = document.getElementById("content_1702591035870_796_21");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -3968,9 +3968,9 @@ <h3>Overloading comparisons with the spaceship operator<a class="headerlink" hre
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590488005_162_21");
+            var collapsible_header = document.getElementById("btn_1702591035870_796_21");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590488005_162_21");
+            var collapsible_content = document.getElementById("content_1702591035870_796_21");
             collapsible_content.style.maxHeight = "60em";
             </script>
             
@@ -4022,7 +4022,7 @@ <h3>Overloading comparisons with the spaceship operator<a class="headerlink" hre
 </style>
 
     <script>
-       function copy_code_1702590488003_594() {
+       function copy_code_1702591035869_24() {
             let code = `auto pyClassPoint =
     py::class_<Point>
         (m, "Point", "")
@@ -4098,10 +4098,10 @@ <h3>Overloading comparisons with the spaceship operator<a class="headerlink" hre
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590488003_594_18" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590488003_594_18">
+    <button class="collapsible_header" id="btn_1702591035869_24_18" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591035869_24_18">
         <div>
-                <button onclick="copy_code_1702590488003_594()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035869_24()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -4249,10 +4249,10 @@ <h3>Overloading comparisons with the spaceship operator<a class="headerlink" hre
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590488003_594_18");
+    var button = document.getElementById("btn_1702591035869_24_18");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590488003_594_18");
+        var content = document.getElementById("content_1702591035869_24_18");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -4329,7 +4329,7 @@ <h2>Dynamic attributes<a class="headerlink" href="#dynamic-attributes" title="Pe
 </style>
 
     <script>
-       function copy_code_1702590488013_366() {
+       function copy_code_1702591035878_409() {
             let code = `
 class Pet:
     def __init__(self, name: str) -> None:
@@ -4339,10 +4339,10 @@ <h2>Dynamic attributes<a class="headerlink" href="#dynamic-attributes" title="Pe
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590488013_366_24" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590488013_366_24">
+    <button class="collapsible_header" id="btn_1702591035878_409_24" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591035878_409_24">
         <div>
-                <button onclick="copy_code_1702590488013_366()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035878_409()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -4423,10 +4423,10 @@ <h2>Dynamic attributes<a class="headerlink" href="#dynamic-attributes" title="Pe
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590488013_366_24");
+    var button = document.getElementById("btn_1702591035878_409_24");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590488013_366_24");
+        var content = document.getElementById("content_1702591035878_409_24");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -4436,9 +4436,9 @@ <h2>Dynamic attributes<a class="headerlink" href="#dynamic-attributes" title="Pe
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590488013_366_24");
+            var collapsible_header = document.getElementById("btn_1702591035878_409_24");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590488013_366_24");
+            var collapsible_content = document.getElementById("content_1702591035878_409_24");
             collapsible_content.style.maxHeight = "20em";
             </script>
             <br/>
@@ -4487,7 +4487,7 @@ <h2>Dynamic attributes<a class="headerlink" href="#dynamic-attributes" title="Pe
 </style>
 
     <script>
-       function copy_code_1702590488012_7083() {
+       function copy_code_1702591035877_7822() {
             let code = `auto pyClassPet =
     py::class_<Pet>
         (m, "Pet", py::dynamic_attr(), "")
@@ -4499,10 +4499,10 @@ <h2>Dynamic attributes<a class="headerlink" href="#dynamic-attributes" title="Pe
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590488012_7083_22" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590488012_7083_22">
+    <button class="collapsible_header" id="btn_1702591035877_7822_22" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591035877_7822_22">
         <div>
-                <button onclick="copy_code_1702590488012_7083()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035877_7822()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -4586,10 +4586,10 @@ <h2>Dynamic attributes<a class="headerlink" href="#dynamic-attributes" title="Pe
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590488012_7083_22");
+    var button = document.getElementById("btn_1702591035877_7822_22");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590488012_7083_22");
+        var content = document.getElementById("content_1702591035877_7822_22");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -4599,9 +4599,9 @@ <h2>Dynamic attributes<a class="headerlink" href="#dynamic-attributes" title="Pe
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590488012_7083_22");
+            var collapsible_header = document.getElementById("btn_1702591035877_7822_22");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590488012_7083_22");
+            var collapsible_content = document.getElementById("content_1702591035877_7822_22");
             collapsible_content.style.maxHeight = "20em";
             </script>
             </div></div>
@@ -4676,7 +4676,7 @@ <h2>Copy and Deep copy<a class="headerlink" href="#copy-and-deep-copy" title="Pe
 </style>
 
     <script>
-       function copy_code_1702590488033_76() {
+       function copy_code_1702591035898_513() {
             let code = `
 class Foo:
     """
@@ -4699,10 +4699,10 @@ <h2>Copy and Deep copy<a class="headerlink" href="#copy-and-deep-copy" title="Pe
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590488033_76_27" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590488033_76_27">
+    <button class="collapsible_header" id="btn_1702591035898_513_27" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591035898_513_27">
         <div>
-                <button onclick="copy_code_1702590488033_76()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035898_513()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -4796,10 +4796,10 @@ <h2>Copy and Deep copy<a class="headerlink" href="#copy-and-deep-copy" title="Pe
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590488033_76_27");
+    var button = document.getElementById("btn_1702591035898_513_27");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590488033_76_27");
+        var content = document.getElementById("content_1702591035898_513_27");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -4809,9 +4809,9 @@ <h2>Copy and Deep copy<a class="headerlink" href="#copy-and-deep-copy" title="Pe
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590488033_76_27");
+            var collapsible_header = document.getElementById("btn_1702591035898_513_27");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590488033_76_27");
+            var collapsible_content = document.getElementById("content_1702591035898_513_27");
             collapsible_content.style.maxHeight = "40em";
             </script>
             <br/>
@@ -4860,7 +4860,7 @@ <h2>Copy and Deep copy<a class="headerlink" href="#copy-and-deep-copy" title="Pe
 </style>
 
     <script>
-       function copy_code_1702590488032_759() {
+       function copy_code_1702591035897_511() {
             let code = `auto pyClassFoo =
     py::class_<Foo>
         (m, "Foo", "\n(has support for copy.copy)")
@@ -4904,10 +4904,10 @@ <h2>Copy and Deep copy<a class="headerlink" href="#copy-and-deep-copy" title="Pe
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590488032_759_25" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590488032_759_25">
+    <button class="collapsible_header" id="btn_1702591035897_511_25" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591035897_511_25">
         <div>
-                <button onclick="copy_code_1702590488032_759()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035897_511()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -5023,10 +5023,10 @@ <h2>Copy and Deep copy<a class="headerlink" href="#copy-and-deep-copy" title="Pe
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590488032_759_25");
+    var button = document.getElementById("btn_1702591035897_511_25");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590488032_759_25");
+        var content = document.getElementById("content_1702591035897_511_25");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -5113,7 +5113,7 @@ <h2>Iterable classes<a class="headerlink" href="#iterable-classes" title="Permal
 </style>
 
     <script>
-       function copy_code_1702590488042_56() {
+       function copy_code_1702591035907_6282() {
             let code = `
 class MyContainer:
     def __getitem__(self, idx: int) -> float:
@@ -5134,10 +5134,10 @@ <h2>Iterable classes<a class="headerlink" href="#iterable-classes" title="Permal
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590488042_56_30" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590488042_56_30">
+    <button class="collapsible_header" id="btn_1702591035907_6282_30" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591035907_6282_30">
         <div>
-                <button onclick="copy_code_1702590488042_56()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035907_6282()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -5229,10 +5229,10 @@ <h2>Iterable classes<a class="headerlink" href="#iterable-classes" title="Permal
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590488042_56_30");
+    var button = document.getElementById("btn_1702591035907_6282_30");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590488042_56_30");
+        var content = document.getElementById("content_1702591035907_6282_30");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -5242,9 +5242,9 @@ <h2>Iterable classes<a class="headerlink" href="#iterable-classes" title="Permal
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590488042_56_30");
+            var collapsible_header = document.getElementById("btn_1702591035907_6282_30");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590488042_56_30");
+            var collapsible_content = document.getElementById("content_1702591035907_6282_30");
             collapsible_content.style.maxHeight = "40em";
             </script>
             <br/>
@@ -5293,7 +5293,7 @@ <h2>Iterable classes<a class="headerlink" href="#iterable-classes" title="Permal
 </style>
 
     <script>
-       function copy_code_1702590488041_703() {
+       function copy_code_1702591035906_7222() {
             let code = `auto pyClassMyContainer =
     py::class_<MyContainer>
         (m, "MyContainer", "")
@@ -5309,10 +5309,10 @@ <h2>Iterable classes<a class="headerlink" href="#iterable-classes" title="Permal
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590488041_703_28" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590488041_703_28">
+    <button class="collapsible_header" id="btn_1702591035906_7222_28" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591035906_7222_28">
         <div>
-                <button onclick="copy_code_1702590488041_703()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035906_7222()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -5400,10 +5400,10 @@ <h2>Iterable classes<a class="headerlink" href="#iterable-classes" title="Permal
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590488041_703_28");
+    var button = document.getElementById("btn_1702591035906_7222_28");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590488041_703_28");
+        var content = document.getElementById("content_1702591035906_7222_28");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -5413,9 +5413,9 @@ <h2>Iterable classes<a class="headerlink" href="#iterable-classes" title="Permal
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590488041_703_28");
+            var collapsible_header = document.getElementById("btn_1702591035906_7222_28");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590488041_703_28");
+            var collapsible_content = document.getElementById("content_1702591035906_7222_28");
             collapsible_content.style.maxHeight = "40em";
             </script>
             </div></div>
@@ -5482,7 +5482,7 @@ <h2>Numeric C array members<a class="headerlink" href="#numeric-c-array-members"
 </style>
 
     <script>
-       function copy_code_1702590488050_6912() {
+       function copy_code_1702591035915_752() {
             let code = `
 class Foo:
     values: np.ndarray  # ndarray[type=int, size=4]
@@ -5493,10 +5493,10 @@ <h2>Numeric C array members<a class="headerlink" href="#numeric-c-array-members"
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590488050_6912_33" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590488050_6912_33">
+    <button class="collapsible_header" id="btn_1702591035915_752_33" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591035915_752_33">
         <div>
-                <button onclick="copy_code_1702590488050_6912()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035915_752()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -5578,10 +5578,10 @@ <h2>Numeric C array members<a class="headerlink" href="#numeric-c-array-members"
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590488050_6912_33");
+    var button = document.getElementById("btn_1702591035915_752_33");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590488050_6912_33");
+        var content = document.getElementById("content_1702591035915_752_33");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -5591,9 +5591,9 @@ <h2>Numeric C array members<a class="headerlink" href="#numeric-c-array-members"
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590488050_6912_33");
+            var collapsible_header = document.getElementById("btn_1702591035915_752_33");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590488050_6912_33");
+            var collapsible_content = document.getElementById("content_1702591035915_752_33");
             collapsible_content.style.maxHeight = "20em";
             </script>
             <br/>
@@ -5642,7 +5642,7 @@ <h2>Numeric C array members<a class="headerlink" href="#numeric-c-array-members"
 </style>
 
     <script>
-       function copy_code_1702590488050_0747() {
+       function copy_code_1702591035915_135() {
             let code = `auto pyClassFoo =
     py::class_<Foo>
         (m, "Foo", "")
@@ -5660,10 +5660,10 @@ <h2>Numeric C array members<a class="headerlink" href="#numeric-c-array-members"
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590488050_0747_31" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590488050_0747_31">
+    <button class="collapsible_header" id="btn_1702591035915_135_31" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591035915_135_31">
         <div>
-                <button onclick="copy_code_1702590488050_0747()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035915_135()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -5753,10 +5753,10 @@ <h2>Numeric C array members<a class="headerlink" href="#numeric-c-array-members"
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590488050_0747_31");
+    var button = document.getElementById("btn_1702591035915_135_31");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590488050_0747_31");
+        var content = document.getElementById("content_1702591035915_135_31");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -5766,9 +5766,9 @@ <h2>Numeric C array members<a class="headerlink" href="#numeric-c-array-members"
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590488050_0747_31");
+            var collapsible_header = document.getElementById("btn_1702591035915_135_31");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590488050_0747_31");
+            var collapsible_content = document.getElementById("content_1702591035915_135_31");
             collapsible_content.style.maxHeight = "20em";
             </script>
             </div></div>
@@ -5838,7 +5838,7 @@ <h2>Inner class or enum<a class="headerlink" href="#inner-class-or-enum" title="
 </style>
 
     <script>
-       function copy_code_1702590488073_5413() {
+       function copy_code_1702591035938_293() {
             let code = `
 class Foo:
     class Choice(enum.Enum):
@@ -5853,10 +5853,10 @@ <h2>Inner class or enum<a class="headerlink" href="#inner-class-or-enum" title="
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590488073_5413_36" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590488073_5413_36">
+    <button class="collapsible_header" id="btn_1702591035938_293_36" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591035938_293_36">
         <div>
-                <button onclick="copy_code_1702590488073_5413()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035938_293()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -5942,10 +5942,10 @@ <h2>Inner class or enum<a class="headerlink" href="#inner-class-or-enum" title="
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590488073_5413_36");
+    var button = document.getElementById("btn_1702591035938_293_36");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590488073_5413_36");
+        var content = document.getElementById("content_1702591035938_293_36");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -5955,9 +5955,9 @@ <h2>Inner class or enum<a class="headerlink" href="#inner-class-or-enum" title="
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590488073_5413_36");
+            var collapsible_header = document.getElementById("btn_1702591035938_293_36");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590488073_5413_36");
+            var collapsible_content = document.getElementById("content_1702591035938_293_36");
             collapsible_content.style.maxHeight = "20em";
             </script>
             <br/>
@@ -6006,7 +6006,7 @@ <h2>Inner class or enum<a class="headerlink" href="#inner-class-or-enum" title="
 </style>
 
     <script>
-       function copy_code_1702590488072_6873() {
+       function copy_code_1702591035937_45() {
             let code = `auto pyClassFoo =
     py::class_<Foo>
         (m, "Foo", "");
@@ -6026,10 +6026,10 @@ <h2>Inner class or enum<a class="headerlink" href="#inner-class-or-enum" title="
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590488072_6873_34" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590488072_6873_34">
+    <button class="collapsible_header" id="btn_1702591035937_45_34" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591035937_45_34">
         <div>
-                <button onclick="copy_code_1702590488072_6873()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591035937_45()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -6121,10 +6121,10 @@ <h2>Inner class or enum<a class="headerlink" href="#inner-class-or-enum" title="
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590488072_6873_34");
+    var button = document.getElementById("btn_1702591035937_45_34");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590488072_6873_34");
+        var content = document.getElementById("content_1702591035937_45_34");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -6134,9 +6134,9 @@ <h2>Inner class or enum<a class="headerlink" href="#inner-class-or-enum" title="
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590488072_6873_34");
+            var collapsible_header = document.getElementById("btn_1702591035937_45_34");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590488072_6873_34");
+            var collapsible_content = document.getElementById("content_1702591035937_45_34");
             collapsible_content.style.maxHeight = "20em";
             </script>
             </div></div>
diff --git a/docs/litgen_book/07_05_00_enums.html b/docs/litgen_book/07_05_00_enums.html
index 7cb861e9..5315c61b 100644
--- a/docs/litgen_book/07_05_00_enums.html
+++ b/docs/litgen_book/07_05_00_enums.html
@@ -257,7 +257,7 @@
       
       
       
-      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/packages/litgen/litgen-book/07_05_00_enums.ipynb" target="_blank"
+      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/litgen-book/07_05_00_enums.ipynb" target="_blank"
    class="btn btn-sm dropdown-item"
    title="Launch onBinder"
    data-bs-placement="left" data-bs-toggle="tooltip"
@@ -533,7 +533,7 @@ <h2>Classic C enums<a class="headerlink" href="#classic-c-enums" title="Permalin
 </style>
 
     <script>
-       function copy_code_1702590488966_5862() {
+       function copy_code_1702591036657_176() {
             let code = `
 class Foo(enum.Enum):
     """ Doc about Foo
@@ -553,10 +553,10 @@ <h2>Classic C enums<a class="headerlink" href="#classic-c-enums" title="Permalin
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590488966_5862_2" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590488966_5862_2">
+    <button class="collapsible_header" id="btn_1702591036657_176_2" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591036657_176_2">
         <div>
-                <button onclick="copy_code_1702590488966_5862()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591036657_176()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -646,10 +646,10 @@ <h2>Classic C enums<a class="headerlink" href="#classic-c-enums" title="Permalin
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590488966_5862_2");
+    var button = document.getElementById("btn_1702591036657_176_2");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590488966_5862_2");
+        var content = document.getElementById("content_1702591036657_176_2");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -659,9 +659,9 @@ <h2>Classic C enums<a class="headerlink" href="#classic-c-enums" title="Permalin
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590488966_5862_2");
+            var collapsible_header = document.getElementById("btn_1702591036657_176_2");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590488966_5862_2");
+            var collapsible_content = document.getElementById("content_1702591036657_176_2");
             collapsible_content.style.maxHeight = "30em";
             </script>
             <br/>
@@ -710,7 +710,7 @@ <h2>Classic C enums<a class="headerlink" href="#classic-c-enums" title="Permalin
 </style>
 
     <script>
-       function copy_code_1702590488950_123() {
+       function copy_code_1702591036641_0771() {
             let code = `py::enum_<Foo>(m, "Foo", py::arithmetic(), " Doc about Foo\n On several lines")
     .value("a", Foo_a, "This is a")
     .value("b", Foo_b, "")
@@ -721,10 +721,10 @@ <h2>Classic C enums<a class="headerlink" href="#classic-c-enums" title="Permalin
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590488950_123_0" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590488950_123_0">
+    <button class="collapsible_header" id="btn_1702591036641_0771_0" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591036641_0771_0">
         <div>
-                <button onclick="copy_code_1702590488950_123()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591036641_0771()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -807,10 +807,10 @@ <h2>Classic C enums<a class="headerlink" href="#classic-c-enums" title="Permalin
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590488950_123_0");
+    var button = document.getElementById("btn_1702591036641_0771_0");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590488950_123_0");
+        var content = document.getElementById("content_1702591036641_0771_0");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -894,7 +894,7 @@ <h2>C++ enums: enum class<a class="headerlink" href="#c-enums-enum-class" title=
 </style>
 
     <script>
-       function copy_code_1702590488974_878() {
+       function copy_code_1702591036665_49() {
             let code = `
 class Foo(enum.Enum):
     a = enum.auto() # (= 0)
@@ -907,10 +907,10 @@ <h2>C++ enums: enum class<a class="headerlink" href="#c-enums-enum-class" title=
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590488974_878_5" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590488974_878_5">
+    <button class="collapsible_header" id="btn_1702591036665_49_5" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591036665_49_5">
         <div>
-                <button onclick="copy_code_1702590488974_878()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591036665_49()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -994,10 +994,10 @@ <h2>C++ enums: enum class<a class="headerlink" href="#c-enums-enum-class" title=
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590488974_878_5");
+    var button = document.getElementById("btn_1702591036665_49_5");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590488974_878_5");
+        var content = document.getElementById("content_1702591036665_49_5");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1007,9 +1007,9 @@ <h2>C++ enums: enum class<a class="headerlink" href="#c-enums-enum-class" title=
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590488974_878_5");
+            var collapsible_header = document.getElementById("btn_1702591036665_49_5");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590488974_878_5");
+            var collapsible_content = document.getElementById("content_1702591036665_49_5");
             collapsible_content.style.maxHeight = "30em";
             </script>
             <br/>
@@ -1058,7 +1058,7 @@ <h2>C++ enums: enum class<a class="headerlink" href="#c-enums-enum-class" title=
 </style>
 
     <script>
-       function copy_code_1702590488973_9229() {
+       function copy_code_1702591036664_5242() {
             let code = `py::enum_<Foo>(m, "Foo", py::arithmetic(), "")
     .value("a", Foo::A, "")
     .value("b", Foo::B, "")
@@ -1070,10 +1070,10 @@ <h2>C++ enums: enum class<a class="headerlink" href="#c-enums-enum-class" title=
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590488973_9229_3" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590488973_9229_3">
+    <button class="collapsible_header" id="btn_1702591036664_5242_3" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591036664_5242_3">
         <div>
-                <button onclick="copy_code_1702590488973_9229()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591036664_5242()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1157,10 +1157,10 @@ <h2>C++ enums: enum class<a class="headerlink" href="#c-enums-enum-class" title=
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590488973_9229_3");
+    var button = document.getElementById("btn_1702591036664_5242_3");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590488973_9229_3");
+        var content = document.getElementById("content_1702591036664_5242_3");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1238,7 +1238,7 @@ <h2>Arithmetic enums<a class="headerlink" href="#arithmetic-enums" title="Permal
 </style>
 
     <script>
-       function copy_code_1702590488980_51() {
+       function copy_code_1702591036671_2808() {
             let code = `
 class Foo(enum.Enum):
     a = enum.auto() # (= 0)
@@ -1248,10 +1248,10 @@ <h2>Arithmetic enums<a class="headerlink" href="#arithmetic-enums" title="Permal
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590488980_51_8" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590488980_51_8">
+    <button class="collapsible_header" id="btn_1702591036671_2808_8" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591036671_2808_8">
         <div>
-                <button onclick="copy_code_1702590488980_51()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591036671_2808()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1332,10 +1332,10 @@ <h2>Arithmetic enums<a class="headerlink" href="#arithmetic-enums" title="Permal
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590488980_51_8");
+    var button = document.getElementById("btn_1702591036671_2808_8");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590488980_51_8");
+        var content = document.getElementById("content_1702591036671_2808_8");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1345,9 +1345,9 @@ <h2>Arithmetic enums<a class="headerlink" href="#arithmetic-enums" title="Permal
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590488980_51_8");
+            var collapsible_header = document.getElementById("btn_1702591036671_2808_8");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590488980_51_8");
+            var collapsible_content = document.getElementById("content_1702591036671_2808_8");
             collapsible_content.style.maxHeight = "30em";
             </script>
             <br/>
@@ -1396,7 +1396,7 @@ <h2>Arithmetic enums<a class="headerlink" href="#arithmetic-enums" title="Permal
 </style>
 
     <script>
-       function copy_code_1702590488979_808() {
+       function copy_code_1702591036670_5542() {
             let code = `py::enum_<Foo>(m, "Foo", py::arithmetic(), "")
     .value("a", Foo::A, "")
     .value("b", Foo::B, "")
@@ -1405,10 +1405,10 @@ <h2>Arithmetic enums<a class="headerlink" href="#arithmetic-enums" title="Permal
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590488979_808_6" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590488979_808_6">
+    <button class="collapsible_header" id="btn_1702591036670_5542_6" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591036670_5542_6">
         <div>
-                <button onclick="copy_code_1702590488979_808()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591036670_5542()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1489,10 +1489,10 @@ <h2>Arithmetic enums<a class="headerlink" href="#arithmetic-enums" title="Permal
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590488979_808_6");
+    var button = document.getElementById("btn_1702591036670_5542_6");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590488979_808_6");
+        var content = document.getElementById("content_1702591036670_5542_6");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1502,9 +1502,9 @@ <h2>Arithmetic enums<a class="headerlink" href="#arithmetic-enums" title="Permal
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590488979_808_6");
+            var collapsible_header = document.getElementById("btn_1702591036670_5542_6");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590488979_808_6");
+            var collapsible_content = document.getElementById("content_1702591036670_5542_6");
             collapsible_content.style.maxHeight = "30em";
             </script>
             </div></div>
diff --git a/docs/litgen_book/07_05_00_templates.html b/docs/litgen_book/07_05_00_templates.html
index 9d863412..fc288cc8 100644
--- a/docs/litgen_book/07_05_00_templates.html
+++ b/docs/litgen_book/07_05_00_templates.html
@@ -257,7 +257,7 @@
       
       
       
-      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/packages/litgen/litgen-book/07_05_00_templates.ipynb" target="_blank"
+      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/litgen-book/07_05_00_templates.ipynb" target="_blank"
    class="btn btn-sm dropdown-item"
    title="Launch onBinder"
    data-bs-placement="left" data-bs-toggle="tooltip"
@@ -543,7 +543,7 @@ <h3>Export template functions with an &#64;overload decorator<a class="headerlin
 </style>
 
     <script>
-       function copy_code_1702590489810_5369() {
+       function copy_code_1702591037619_3909() {
             let code = `
 #  ------------------------------------------------------------------------
 #      <template specializations for function MaxValue>
@@ -561,10 +561,10 @@ <h3>Export template functions with an &#64;overload decorator<a class="headerlin
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590489810_5369_2" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590489810_5369_2">
+    <button class="collapsible_header" id="btn_1702591037619_3909_2" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591037619_3909_2">
         <div>
-                <button onclick="copy_code_1702590489810_5369()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591037619_3909()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -653,10 +653,10 @@ <h3>Export template functions with an &#64;overload decorator<a class="headerlin
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590489810_5369_2");
+    var button = document.getElementById("btn_1702591037619_3909_2");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590489810_5369_2");
+        var content = document.getElementById("content_1702591037619_3909_2");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -666,9 +666,9 @@ <h3>Export template functions with an &#64;overload decorator<a class="headerlin
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590489810_5369_2");
+            var collapsible_header = document.getElementById("btn_1702591037619_3909_2");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590489810_5369_2");
+            var collapsible_content = document.getElementById("content_1702591037619_3909_2");
             collapsible_content.style.maxHeight = "20em";
             </script>
             <br/>
@@ -717,7 +717,7 @@ <h3>Export template functions with an &#64;overload decorator<a class="headerlin
 </style>
 
     <script>
-       function copy_code_1702590489795_078() {
+       function copy_code_1702591037603_5718() {
             let code = `m.def("max_value",
     py::overload_cast<const std::vector<int> &>(MaxValue<int>), py::arg("values"));
 m.def("max_value",
@@ -726,10 +726,10 @@ <h3>Export template functions with an &#64;overload decorator<a class="headerlin
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590489795_078_0" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590489795_078_0">
+    <button class="collapsible_header" id="btn_1702591037603_5718_0" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591037603_5718_0">
         <div>
-                <button onclick="copy_code_1702590489795_078()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591037603_5718()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -810,10 +810,10 @@ <h3>Export template functions with an &#64;overload decorator<a class="headerlin
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590489795_078_0");
+    var button = document.getElementById("btn_1702591037603_5718_0");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590489795_078_0");
+        var content = document.getElementById("content_1702591037603_5718_0");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -885,7 +885,7 @@ <h3>Export template functions with a suffix<a class="headerlink" href="#export-t
 </style>
 
     <script>
-       function copy_code_1702590489820_1443() {
+       function copy_code_1702591037629_645() {
             let code = `
 #  ------------------------------------------------------------------------
 #      <template specializations for function LogValue>
@@ -901,10 +901,10 @@ <h3>Export template functions with a suffix<a class="headerlink" href="#export-t
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590489820_1443_5" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590489820_1443_5">
+    <button class="collapsible_header" id="btn_1702591037629_645_5" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591037629_645_5">
         <div>
-                <button onclick="copy_code_1702590489820_1443()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591037629_645()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -991,10 +991,10 @@ <h3>Export template functions with a suffix<a class="headerlink" href="#export-t
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590489820_1443_5");
+    var button = document.getElementById("btn_1702591037629_645_5");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590489820_1443_5");
+        var content = document.getElementById("content_1702591037629_645_5");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1004,9 +1004,9 @@ <h3>Export template functions with a suffix<a class="headerlink" href="#export-t
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590489820_1443_5");
+            var collapsible_header = document.getElementById("btn_1702591037629_645_5");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590489820_1443_5");
+            var collapsible_content = document.getElementById("content_1702591037629_645_5");
             collapsible_content.style.maxHeight = "20em";
             </script>
             <br/>
@@ -1055,7 +1055,7 @@ <h3>Export template functions with a suffix<a class="headerlink" href="#export-t
 </style>
 
     <script>
-       function copy_code_1702590489819_427() {
+       function copy_code_1702591037628_7942() {
             let code = `m.def("log_value_int",
     LogValue<int>, py::arg("label"), py::arg("value"));
 m.def("log_value_float",
@@ -1064,10 +1064,10 @@ <h3>Export template functions with a suffix<a class="headerlink" href="#export-t
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590489819_427_3" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590489819_427_3">
+    <button class="collapsible_header" id="btn_1702591037628_7942_3" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591037628_7942_3">
         <div>
-                <button onclick="copy_code_1702590489819_427()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591037628_7942()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1148,10 +1148,10 @@ <h3>Export template functions with a suffix<a class="headerlink" href="#export-t
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590489819_427_3");
+    var button = document.getElementById("btn_1702591037628_7942_3");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590489819_427_3");
+        var content = document.getElementById("content_1702591037628_7942_3");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1288,7 +1288,7 @@ <h3>Example of template class instantiation<a class="headerlink" href="#example-
 </style>
 
     <script>
-       function copy_code_1702590489848_81() {
+       function copy_code_1702591037657_978() {
             let code = `
 
 class Config:
@@ -1333,10 +1333,10 @@ <h3>Example of template class instantiation<a class="headerlink" href="#example-
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590489848_81_8" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590489848_81_8">
+    <button class="collapsible_header" id="btn_1702591037657_978_8" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591037657_978_8">
         <div>
-                <button onclick="copy_code_1702590489848_81()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591037657_978()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1451,10 +1451,10 @@ <h3>Example of template class instantiation<a class="headerlink" href="#example-
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590489848_81_8");
+    var button = document.getElementById("btn_1702591037657_978_8");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590489848_81_8");
+        var content = document.getElementById("content_1702591037657_978_8");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1464,9 +1464,9 @@ <h3>Example of template class instantiation<a class="headerlink" href="#example-
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590489848_81_8");
+            var collapsible_header = document.getElementById("btn_1702591037657_978_8");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590489848_81_8");
+            var collapsible_content = document.getElementById("content_1702591037657_978_8");
             collapsible_content.style.maxHeight = "60em";
             </script>
             <br/>
@@ -1515,7 +1515,7 @@ <h3>Example of template class instantiation<a class="headerlink" href="#example-
 </style>
 
     <script>
-       function copy_code_1702590489847_764() {
+       function copy_code_1702591037656_949() {
             let code = `auto pyClassImGuiConfig =
     py::class_<ImGuiConfig>
         (m, "Config", "")
@@ -1558,10 +1558,10 @@ <h3>Example of template class instantiation<a class="headerlink" href="#example-
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590489847_764_6" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590489847_764_6">
+    <button class="collapsible_header" id="btn_1702591037656_949_6" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591037656_949_6">
         <div>
-                <button onclick="copy_code_1702590489847_764()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591037656_949()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1676,10 +1676,10 @@ <h3>Example of template class instantiation<a class="headerlink" href="#example-
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590489847_764_6");
+    var button = document.getElementById("btn_1702591037656_949_6");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590489847_764_6");
+        var content = document.getElementById("content_1702591037656_949_6");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
diff --git a/docs/litgen_book/08_05_00_namespaces.html b/docs/litgen_book/08_05_00_namespaces.html
index 1c955420..1d4af705 100644
--- a/docs/litgen_book/08_05_00_namespaces.html
+++ b/docs/litgen_book/08_05_00_namespaces.html
@@ -257,7 +257,7 @@
       
       
       
-      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/packages/litgen/litgen-book/08_05_00_namespaces.ipynb" target="_blank"
+      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/litgen-book/08_05_00_namespaces.ipynb" target="_blank"
    class="btn btn-sm dropdown-item"
    title="Launch onBinder"
    data-bs-placement="left" data-bs-toggle="tooltip"
@@ -537,7 +537,7 @@ <h1>Namespaces<a class="headerlink" href="#namespaces" title="Permalink to this
 </style>
 
     <script>
-       function copy_code_1702590490847_824() {
+       function copy_code_1702591038621_234() {
             let code = `def foo_root() -> None:
     """A function in the root namespace"""
     pass
@@ -558,10 +558,10 @@ <h1>Namespaces<a class="headerlink" href="#namespaces" title="Permalink to this
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590490847_824_2" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590490847_824_2">
+    <button class="collapsible_header" id="btn_1702591038621_234_2" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591038621_234_2">
         <div>
-                <button onclick="copy_code_1702590490847_824()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591038621_234()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -654,10 +654,10 @@ <h1>Namespaces<a class="headerlink" href="#namespaces" title="Permalink to this
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590490847_824_2");
+    var button = document.getElementById("btn_1702591038621_234_2");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590490847_824_2");
+        var content = document.getElementById("content_1702591038621_234_2");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -667,9 +667,9 @@ <h1>Namespaces<a class="headerlink" href="#namespaces" title="Permalink to this
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590490847_824_2");
+            var collapsible_header = document.getElementById("btn_1702591038621_234_2");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590490847_824_2");
+            var collapsible_content = document.getElementById("content_1702591038621_234_2");
             collapsible_content.style.maxHeight = "80em";
             </script>
             <br/>
@@ -718,7 +718,7 @@ <h1>Namespaces<a class="headerlink" href="#namespaces" title="Permalink to this
 </style>
 
     <script>
-       function copy_code_1702590490832_4512() {
+       function copy_code_1702591038604_9211() {
             let code = `m.def("foo_root",
     FooRoot, "A function in the root namespace");
 
@@ -733,10 +733,10 @@ <h1>Namespaces<a class="headerlink" href="#namespaces" title="Permalink to this
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590490832_4512_0" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590490832_4512_0">
+    <button class="collapsible_header" id="btn_1702591038604_9211_0" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591038604_9211_0">
         <div>
-                <button onclick="copy_code_1702590490832_4512()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591038604_9211()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -823,10 +823,10 @@ <h1>Namespaces<a class="headerlink" href="#namespaces" title="Permalink to this
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590490832_4512_0");
+    var button = document.getElementById("btn_1702591038604_9211_0");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590490832_4512_0");
+        var content = document.getElementById("content_1702591038604_9211_0");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
diff --git a/docs/litgen_book/09_05_00_preprocessor.html b/docs/litgen_book/09_05_00_preprocessor.html
index 71894c68..11ff6354 100644
--- a/docs/litgen_book/09_05_00_preprocessor.html
+++ b/docs/litgen_book/09_05_00_preprocessor.html
@@ -257,7 +257,7 @@
       
       
       
-      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/packages/litgen/litgen-book/09_05_00_preprocessor.ipynb" target="_blank"
+      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/litgen-book/09_05_00_preprocessor.ipynb" target="_blank"
    class="btn btn-sm dropdown-item"
    title="Launch onBinder"
    data-bs-placement="left" data-bs-toggle="tooltip"
@@ -521,7 +521,7 @@ <h2>Export macro values into the python module<a class="headerlink" href="#expor
 </style>
 
     <script>
-       function copy_code_1702590491763_583() {
+       function copy_code_1702591039354_975() {
             let code = `
 VALUE = 1
 FLOAT = 1.5
@@ -531,10 +531,10 @@ <h2>Export macro values into the python module<a class="headerlink" href="#expor
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590491763_583_2" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590491763_583_2">
+    <button class="collapsible_header" id="btn_1702591039354_975_2" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591039354_975_2">
         <div>
-                <button onclick="copy_code_1702590491763_583()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591039354_975()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -615,10 +615,10 @@ <h2>Export macro values into the python module<a class="headerlink" href="#expor
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590491763_583_2");
+    var button = document.getElementById("btn_1702591039354_975_2");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590491763_583_2");
+        var content = document.getElementById("content_1702591039354_975_2");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -628,9 +628,9 @@ <h2>Export macro values into the python module<a class="headerlink" href="#expor
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590491763_583_2");
+            var collapsible_header = document.getElementById("btn_1702591039354_975_2");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590491763_583_2");
+            var collapsible_content = document.getElementById("content_1702591039354_975_2");
             collapsible_content.style.maxHeight = "20em";
             </script>
             <br/>
@@ -679,7 +679,7 @@ <h2>Export macro values into the python module<a class="headerlink" href="#expor
 </style>
 
     <script>
-       function copy_code_1702590491748_2651() {
+       function copy_code_1702591039338_249() {
             let code = `m.attr("VALUE") = 1;
 m.attr("FLOAT") = 1.5;
 m.attr("STRING") = "abc";
@@ -688,10 +688,10 @@ <h2>Export macro values into the python module<a class="headerlink" href="#expor
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590491748_2651_0" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590491748_2651_0">
+    <button class="collapsible_header" id="btn_1702591039338_249_0" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591039338_249_0">
         <div>
-                <button onclick="copy_code_1702590491748_2651()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591039338_249()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -772,10 +772,10 @@ <h2>Export macro values into the python module<a class="headerlink" href="#expor
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590491748_2651_0");
+    var button = document.getElementById("btn_1702591039338_249_0");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590491748_2651_0");
+        var content = document.getElementById("content_1702591039338_249_0");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -785,9 +785,9 @@ <h2>Export macro values into the python module<a class="headerlink" href="#expor
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590491748_2651_0");
+            var collapsible_header = document.getElementById("btn_1702591039338_249_0");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590491748_2651_0");
+            var collapsible_content = document.getElementById("content_1702591039338_249_0");
             collapsible_content.style.maxHeight = "20em";
             </script>
             </div></div>
@@ -865,7 +865,7 @@ <h2>Set numeric macro values<a class="headerlink" href="#set-numeric-macro-value
 </style>
 
     <script>
-       function copy_code_1702590491775_048() {
+       function copy_code_1702591039367_4722() {
             let code = `
 
 class Foo:
@@ -877,10 +877,10 @@ <h2>Set numeric macro values<a class="headerlink" href="#set-numeric-macro-value
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590491775_048_5" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590491775_048_5">
+    <button class="collapsible_header" id="btn_1702591039367_4722_5" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591039367_4722_5">
         <div>
-                <button onclick="copy_code_1702590491775_048()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591039367_4722()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -962,10 +962,10 @@ <h2>Set numeric macro values<a class="headerlink" href="#set-numeric-macro-value
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590491775_048_5");
+    var button = document.getElementById("btn_1702591039367_4722_5");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590491775_048_5");
+        var content = document.getElementById("content_1702591039367_4722_5");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -975,9 +975,9 @@ <h2>Set numeric macro values<a class="headerlink" href="#set-numeric-macro-value
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590491775_048_5");
+            var collapsible_header = document.getElementById("btn_1702591039367_4722_5");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590491775_048_5");
+            var collapsible_content = document.getElementById("content_1702591039367_4722_5");
             collapsible_content.style.maxHeight = "20em";
             </script>
             <br/>
@@ -1026,7 +1026,7 @@ <h2>Set numeric macro values<a class="headerlink" href="#set-numeric-macro-value
 </style>
 
     <script>
-       function copy_code_1702590491774_408() {
+       function copy_code_1702591039366_792() {
             let code = `auto pyClassFoo =
     py::class_<Foo>
         (m, "Foo", "")
@@ -1044,10 +1044,10 @@ <h2>Set numeric macro values<a class="headerlink" href="#set-numeric-macro-value
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590491774_408_3" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590491774_408_3">
+    <button class="collapsible_header" id="btn_1702591039366_792_3" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591039366_792_3">
         <div>
-                <button onclick="copy_code_1702590491774_408()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591039366_792()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1137,10 +1137,10 @@ <h2>Set numeric macro values<a class="headerlink" href="#set-numeric-macro-value
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590491774_408_3");
+    var button = document.getElementById("btn_1702591039366_792_3");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590491774_408_3");
+        var content = document.getElementById("content_1702591039366_792_3");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1150,9 +1150,9 @@ <h2>Set numeric macro values<a class="headerlink" href="#set-numeric-macro-value
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590491774_408_3");
+            var collapsible_header = document.getElementById("btn_1702591039366_792_3");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590491774_408_3");
+            var collapsible_content = document.getElementById("content_1702591039366_792_3");
             collapsible_content.style.maxHeight = "20em";
             </script>
             </div></div>
diff --git a/docs/litgen_book/10_05_00_ignore_warnings.html b/docs/litgen_book/10_05_00_ignore_warnings.html
index b1eb1971..01e8a68f 100644
--- a/docs/litgen_book/10_05_00_ignore_warnings.html
+++ b/docs/litgen_book/10_05_00_ignore_warnings.html
@@ -257,7 +257,7 @@
       
       
       
-      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/packages/litgen/litgen-book/10_05_00_ignore_warnings.ipynb" target="_blank"
+      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/litgen-book/10_05_00_ignore_warnings.ipynb" target="_blank"
    class="btn btn-sm dropdown-item"
    title="Launch onBinder"
    data-bs-placement="left" data-bs-toggle="tooltip"
@@ -507,7 +507,7 @@ <h2>Example code with potential warnings<a class="headerlink" href="#example-cod
 </style>
 
     <script>
-       function copy_code_1702590492626_293() {
+       function copy_code_1702591040055_0442() {
             let code = `
 // This will trigger a warning:
 //     Ignoring template function. You might need to set LitgenOptions.fn_template_options
@@ -535,10 +535,10 @@ <h2>Example code with potential warnings<a class="headerlink" href="#example-cod
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590492626_293_0" ></button>
-    <div class="collapsible_content" id="content_1702590492626_293_0">
+    <button class="collapsible_header" id="btn_1702591040055_0442_0" ></button>
+    <div class="collapsible_content" id="content_1702591040055_0442_0">
         <div>
-                <button onclick="copy_code_1702590492626_293()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591040055_0442()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -637,10 +637,10 @@ <h2>Example code with potential warnings<a class="headerlink" href="#example-cod
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590492626_293_0");
+    var button = document.getElementById("btn_1702591040055_0442_0");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590492626_293_0");
+        var content = document.getElementById("content_1702591040055_0442_0");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -650,9 +650,9 @@ <h2>Example code with potential warnings<a class="headerlink" href="#example-cod
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590492626_293_0");
+            var collapsible_header = document.getElementById("btn_1702591040055_0442_0");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590492626_293_0");
+            var collapsible_content = document.getElementById("content_1702591040055_0442_0");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
             </script>
             </div></div>
@@ -764,7 +764,7 @@ <h2>Suppress the warnings<a class="headerlink" href="#suppress-the-warnings" tit
 </style>
 
     <script>
-       function copy_code_1702590492667_563() {
+       function copy_code_1702591040096_504() {
             let code = `####################    <generated_from:10_05_10_sample_code.h>    ####################
 
 
@@ -782,10 +782,10 @@ <h2>Suppress the warnings<a class="headerlink" href="#suppress-the-warnings" tit
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590492667_563_1" ></button>
-    <div class="collapsible_content" id="content_1702590492667_563_1">
+    <button class="collapsible_header" id="btn_1702591040096_504_1" ></button>
+    <div class="collapsible_content" id="content_1702591040096_504_1">
         <div>
-                <button onclick="copy_code_1702590492667_563()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591040096_504()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -875,10 +875,10 @@ <h2>Suppress the warnings<a class="headerlink" href="#suppress-the-warnings" tit
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590492667_563_1");
+    var button = document.getElementById("btn_1702591040096_504_1");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590492667_563_1");
+        var content = document.getElementById("content_1702591040096_504_1");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -888,9 +888,9 @@ <h2>Suppress the warnings<a class="headerlink" href="#suppress-the-warnings" tit
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590492667_563_1");
+            var collapsible_header = document.getElementById("btn_1702591040096_504_1");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590492667_563_1");
+            var collapsible_content = document.getElementById("content_1702591040096_504_1");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
             </script>
             </div></div>
diff --git a/docs/litgen_book/11_05_00_post_processing.html b/docs/litgen_book/11_05_00_post_processing.html
index 2a41b00a..e14110c6 100644
--- a/docs/litgen_book/11_05_00_post_processing.html
+++ b/docs/litgen_book/11_05_00_post_processing.html
@@ -257,7 +257,7 @@
       
       
       
-      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/packages/litgen/litgen-book/11_05_00_post_processing.ipynb" target="_blank"
+      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/litgen-book/11_05_00_post_processing.ipynb" target="_blank"
    class="btn btn-sm dropdown-item"
    title="Launch onBinder"
    data-bs-placement="left" data-bs-toggle="tooltip"
@@ -566,7 +566,7 @@ <h2>Post-processing of the stub and pydef files<a class="headerlink" href="#post
 </style>
 
     <script>
-       function copy_code_1702590493559_712() {
+       function copy_code_1702591040812_9922() {
             let code = `
 # Copyright(c) 2023 - Pascal Thomet
 #    Yes, I claim the copyright on this magnificent function.
@@ -579,10 +579,10 @@ <h2>Post-processing of the stub and pydef files<a class="headerlink" href="#post
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590493559_712_2" >Corresponding python decls (stub)</button>
-    <div class="collapsible_content" id="content_1702590493559_712_2">
+    <button class="collapsible_header" id="btn_1702591040812_9922_2" >Corresponding python decls (stub)</button>
+    <div class="collapsible_content" id="content_1702591040812_9922_2">
         <div>
-                <button onclick="copy_code_1702590493559_712()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591040812_9922()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -666,10 +666,10 @@ <h2>Post-processing of the stub and pydef files<a class="headerlink" href="#post
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590493559_712_2");
+    var button = document.getElementById("btn_1702591040812_9922_2");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590493559_712_2");
+        var content = document.getElementById("content_1702591040812_9922_2");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -679,9 +679,9 @@ <h2>Post-processing of the stub and pydef files<a class="headerlink" href="#post
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590493559_712_2");
+            var collapsible_header = document.getElementById("btn_1702591040812_9922_2");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590493559_712_2");
+            var collapsible_content = document.getElementById("content_1702591040812_9922_2");
             collapsible_content.style.maxHeight = "20em";
             </script>
             <br/>
@@ -730,7 +730,7 @@ <h2>Post-processing of the stub and pydef files<a class="headerlink" href="#post
 </style>
 
     <script>
-       function copy_code_1702590493544_0068() {
+       function copy_code_1702591040796_6663() {
             let code = `
 // Copyright(c) 2023 - Pascal Thomet
 //    Yes, I claim the copyright on this magnificent function.
@@ -741,10 +741,10 @@ <h2>Post-processing of the stub and pydef files<a class="headerlink" href="#post
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590493544_0068_0" >pybind11 C++ binding code</button>
-    <div class="collapsible_content" id="content_1702590493544_0068_0">
+    <button class="collapsible_header" id="btn_1702591040796_6663_0" >pybind11 C++ binding code</button>
+    <div class="collapsible_content" id="content_1702591040796_6663_0">
         <div>
-                <button onclick="copy_code_1702590493544_0068()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591040796_6663()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -826,10 +826,10 @@ <h2>Post-processing of the stub and pydef files<a class="headerlink" href="#post
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590493544_0068_0");
+    var button = document.getElementById("btn_1702591040796_6663_0");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590493544_0068_0");
+        var content = document.getElementById("content_1702591040796_6663_0");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -839,9 +839,9 @@ <h2>Post-processing of the stub and pydef files<a class="headerlink" href="#post
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590493544_0068_0");
+            var collapsible_header = document.getElementById("btn_1702591040796_6663_0");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590493544_0068_0");
+            var collapsible_content = document.getElementById("content_1702591040796_6663_0");
             collapsible_content.style.maxHeight = "20em";
             </script>
             </div></div>
diff --git a/docs/litgen_book/12_05_00_srcml_issues.html b/docs/litgen_book/12_05_00_srcml_issues.html
index 7f2edefe..f03bc06c 100644
--- a/docs/litgen_book/12_05_00_srcml_issues.html
+++ b/docs/litgen_book/12_05_00_srcml_issues.html
@@ -396,7 +396,16 @@ <h2> Contents </h2>
             </div>
             <nav aria-label="Page">
                 <ul class="visible nav section-nav flex-column">
-<li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#don-t-use-as-function-s-default-parameter-value">Don’t use <code class="docutils literal notranslate"><span class="pre">={}</span></code> as function’s default parameter value</a></li>
+<li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#srcml">srcML</a><ul class="nav section-nav flex-column">
+<li class="toc-h3 nav-item toc-entry"><a class="reference internal nav-link" href="#don-t-use-as-function-s-default-parameter-value">Don’t use <code class="docutils literal notranslate"><span class="pre">={}</span></code> as function’s default parameter value</a></li>
+<li class="toc-h3 nav-item toc-entry"><a class="reference internal nav-link" href="#note-about-mixing-auto-return-and-api-markers">Note about mixing auto return and API markers</a></li>
+</ul>
+</li>
+<li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#python-bindings">Python bindings</a><ul class="nav section-nav flex-column">
+<li class="toc-h3 nav-item toc-entry"><a class="reference internal nav-link" href="#note-about-function-arrow-return-type-notation">Note about function arrow-return type notation:</a></li>
+<li class="toc-h3 nav-item toc-entry"><a class="reference internal nav-link" href="#note-about-function-inferred-return-type-notation">Note about function inferred return type notation:</a></li>
+</ul>
+</li>
 </ul>
             </nav>
         </div>
@@ -415,9 +424,12 @@ <h1>srcML - C++ parsing advices<a class="headerlink" href="#srcml-c-parsing-advi
 <li><p>it will <em>never</em> fail to construct an XML tree from C++ code</p></li>
 <li><p>it will <em>always</em> regenerate the exact same original C++ code from the XML tree</p></li>
 </ul>
-<p>However, there are corner cases where the XML tree is not what you would expect. See some gotchas below:</p>
+<p>However, there are corner cases where the XML tree is not what you would expect.
+See some gotchas below.</p>
+<section id="srcml">
+<h2>srcML<a class="headerlink" href="#srcml" title="Permalink to this heading">#</a></h2>
 <section id="don-t-use-as-function-s-default-parameter-value">
-<h2>Don’t use <code class="docutils literal notranslate"><span class="pre">={}</span></code> as function’s default parameter value<a class="headerlink" href="#don-t-use-as-function-s-default-parameter-value" title="Permalink to this heading">#</a></h2>
+<h3>Don’t use <code class="docutils literal notranslate"><span class="pre">={}</span></code> as function’s default parameter value<a class="headerlink" href="#don-t-use-as-function-s-default-parameter-value" title="Permalink to this heading">#</a></h3>
 <p>See <a class="reference external" href="https://github.com/srcML/srcML/issues/1833">related issue</a></p>
 <div class="highlight-cpp notranslate"><div class="highlight"><pre><span></span><span class="kt">void</span><span class="w"> </span><span class="nf">Foo</span><span class="p">(</span><span class="kt">int</span><span class="w"> </span><span class="n">v</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">{}</span><span class="w"> </span><span class="p">);</span>
 </pre></div>
@@ -428,6 +440,45 @@ <h2>Don’t use <code class="docutils literal notranslate"><span class="pre">={}
 </div>
 <p>is correctly parsed as a function declaration.</p>
 </section>
+<section id="note-about-mixing-auto-return-and-api-markers">
+<h3>Note about mixing auto return and API markers<a class="headerlink" href="#note-about-mixing-auto-return-and-api-markers" title="Permalink to this heading">#</a></h3>
+<p>Mixing API marker and auto return type is not supported.</p>
+<p>Such functions will not be parsed correctly!</p>
+<div class="highlight-cpp notranslate"><div class="highlight"><pre><span></span><span class="w">    </span><span class="n">MY_API</span><span class="w"> </span><span class="k">auto</span><span class="w"> </span><span class="n">my_modulo</span><span class="p">(</span><span class="kt">int</span><span class="w"> </span><span class="n">a</span><span class="p">,</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">b</span><span class="p">)</span>
+<span class="w">    </span><span class="n">MY_API</span><span class="w"> </span><span class="k">auto</span><span class="w"> </span><span class="n">my_pow</span><span class="p">(</span><span class="kt">double</span><span class="w"> </span><span class="n">a</span><span class="p">,</span><span class="w"> </span><span class="kt">double</span><span class="w"> </span><span class="n">b</span><span class="p">)</span><span class="w"> </span><span class="o">-&gt;</span><span class="w"> </span><span class="kt">double</span>
+</pre></div>
+</div>
+</section>
+</section>
+<section id="python-bindings">
+<h2>Python bindings<a class="headerlink" href="#python-bindings" title="Permalink to this heading">#</a></h2>
+<section id="note-about-function-arrow-return-type-notation">
+<h3>Note about function arrow-return type notation:<a class="headerlink" href="#note-about-function-arrow-return-type-notation" title="Permalink to this heading">#</a></h3>
+<p>Arrow return notation function are correctly exported to python, including their return type.
+For example,</p>
+<div class="highlight-cpp notranslate"><div class="highlight"><pre><span></span><span class="k">auto</span><span class="w"> </span><span class="n">my_pow</span><span class="p">(</span><span class="kt">double</span><span class="w"> </span><span class="n">a</span><span class="p">,</span><span class="w"> </span><span class="kt">double</span><span class="w"> </span><span class="n">b</span><span class="p">)</span><span class="w"> </span><span class="o">-&gt;</span><span class="w"> </span><span class="kt">double</span>
+</pre></div>
+</div>
+<p>Will result in:</p>
+<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="k">def</span> <span class="nf">my_pow</span><span class="p">(</span><span class="n">a</span><span class="p">:</span> <span class="nb">float</span><span class="p">,</span> <span class="n">b</span><span class="p">:</span> <span class="nb">float</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nb">float</span><span class="p">:</span>
+<span class="k">pass</span>
+</pre></div>
+</div>
+</section>
+<section id="note-about-function-inferred-return-type-notation">
+<h3>Note about function inferred return type notation:<a class="headerlink" href="#note-about-function-inferred-return-type-notation" title="Permalink to this heading">#</a></h3>
+<p>Functions with an inferred return type are correctly exported to python, however the published return type is unknown and will be marked as “Any”
+For example,</p>
+<div class="highlight-cpp notranslate"><div class="highlight"><pre><span></span><span class="k">auto</span><span class="w"> </span><span class="n">my_pow</span><span class="p">(</span><span class="kt">double</span><span class="w"> </span><span class="n">a</span><span class="p">,</span><span class="w"> </span><span class="kt">double</span><span class="w"> </span><span class="n">b</span><span class="p">)</span>
+</pre></div>
+</div>
+<p>Will result in:</p>
+<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="k">def</span> <span class="nf">my_pow</span><span class="p">(</span><span class="n">a</span><span class="p">:</span> <span class="nb">float</span><span class="p">,</span> <span class="n">b</span><span class="p">:</span> <span class="nb">float</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">Any</span><span class="p">:</span>
+<span class="k">pass</span>
+</pre></div>
+</div>
+</section>
+</section>
 </section>
 
     <script type="text/x-thebe-config">
@@ -493,7 +544,16 @@ <h2>Don’t use <code class="docutils literal notranslate"><span class="pre">={}
   </div>
   <nav class="bd-toc-nav page-toc">
     <ul class="visible nav section-nav flex-column">
-<li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#don-t-use-as-function-s-default-parameter-value">Don’t use <code class="docutils literal notranslate"><span class="pre">={}</span></code> as function’s default parameter value</a></li>
+<li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#srcml">srcML</a><ul class="nav section-nav flex-column">
+<li class="toc-h3 nav-item toc-entry"><a class="reference internal nav-link" href="#don-t-use-as-function-s-default-parameter-value">Don’t use <code class="docutils literal notranslate"><span class="pre">={}</span></code> as function’s default parameter value</a></li>
+<li class="toc-h3 nav-item toc-entry"><a class="reference internal nav-link" href="#note-about-mixing-auto-return-and-api-markers">Note about mixing auto return and API markers</a></li>
+</ul>
+</li>
+<li class="toc-h2 nav-item toc-entry"><a class="reference internal nav-link" href="#python-bindings">Python bindings</a><ul class="nav section-nav flex-column">
+<li class="toc-h3 nav-item toc-entry"><a class="reference internal nav-link" href="#note-about-function-arrow-return-type-notation">Note about function arrow-return type notation:</a></li>
+<li class="toc-h3 nav-item toc-entry"><a class="reference internal nav-link" href="#note-about-function-inferred-return-type-notation">Note about function inferred return type notation:</a></li>
+</ul>
+</li>
 </ul>
   </nav></div>
 
diff --git a/docs/litgen_book/20_00_00_cpp_intro.html b/docs/litgen_book/20_00_00_cpp_intro.html
index 18db8749..c11a662f 100644
--- a/docs/litgen_book/20_00_00_cpp_intro.html
+++ b/docs/litgen_book/20_00_00_cpp_intro.html
@@ -257,7 +257,7 @@
       
       
       
-      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/packages/litgen/litgen-book/20_00_00_cpp_intro.ipynb" target="_blank"
+      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/litgen-book/20_00_00_cpp_intro.ipynb" target="_blank"
    class="btn btn-sm dropdown-item"
    title="Launch onBinder"
    data-bs-placement="left" data-bs-toggle="tooltip"
diff --git a/docs/litgen_book/20_05_00_cpp_simple_transformations.html b/docs/litgen_book/20_05_00_cpp_simple_transformations.html
index d58ac139..d5a25440 100644
--- a/docs/litgen_book/20_05_00_cpp_simple_transformations.html
+++ b/docs/litgen_book/20_05_00_cpp_simple_transformations.html
@@ -257,7 +257,7 @@
       
       
       
-      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/packages/litgen/litgen-book/20_05_00_cpp_simple_transformations.ipynb" target="_blank"
+      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/litgen-book/20_05_00_cpp_simple_transformations.ipynb" target="_blank"
    class="btn btn-sm dropdown-item"
    title="Launch onBinder"
    data-bs-placement="left" data-bs-toggle="tooltip"
@@ -597,7 +597,7 @@ <h2>Transforming the CppElement tree<a class="headerlink" href="#transforming-th
 </style>
 
     <script>
-       function copy_code_1702590495227_808() {
+       function copy_code_1702591042434_7148() {
             let code = `
 //Was changed to snake case!
 int add_numbers(const MyModule::Class & c);
@@ -606,10 +606,10 @@ <h2>Transforming the CppElement tree<a class="headerlink" href="#transforming-th
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590495227_808_0" ></button>
-    <div class="collapsible_content" id="content_1702590495227_808_0">
+    <button class="collapsible_header" id="btn_1702591042434_7148_0" ></button>
+    <div class="collapsible_content" id="content_1702591042434_7148_0">
         <div>
-                <button onclick="copy_code_1702590495227_808()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591042434_7148()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -688,10 +688,10 @@ <h2>Transforming the CppElement tree<a class="headerlink" href="#transforming-th
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590495227_808_0");
+    var button = document.getElementById("btn_1702591042434_7148_0");
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-        var content = document.getElementById("content_1702590495227_808_0");
+        var content = document.getElementById("content_1702591042434_7148_0");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -701,9 +701,9 @@ <h2>Transforming the CppElement tree<a class="headerlink" href="#transforming-th
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590495227_808_0");
+            var collapsible_header = document.getElementById("btn_1702591042434_7148_0");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590495227_808_0");
+            var collapsible_content = document.getElementById("content_1702591042434_7148_0");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
             </script>
             </div></div>
@@ -762,17 +762,17 @@ <h2>Transforming the CppElement tree<a class="headerlink" href="#transforming-th
 </style>
 
     <script>
-       function copy_code_1702590495232_382() {
+       function copy_code_1702591042439_309() {
             let code = `
 int AddNumbers(const MyModule_Class& c);
 `;
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590495232_382_1" ></button>
-    <div class="collapsible_content" id="content_1702590495232_382_1">
+    <button class="collapsible_header" id="btn_1702591042439_309_1" ></button>
+    <div class="collapsible_content" id="content_1702591042439_309_1">
         <div>
-                <button onclick="copy_code_1702590495232_382()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591042439_309()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -850,10 +850,10 @@ <h2>Transforming the CppElement tree<a class="headerlink" href="#transforming-th
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590495232_382_1");
+    var button = document.getElementById("btn_1702591042439_309_1");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590495232_382_1");
+        var content = document.getElementById("content_1702591042439_309_1");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -863,9 +863,9 @@ <h2>Transforming the CppElement tree<a class="headerlink" href="#transforming-th
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590495232_382_1");
+            var collapsible_header = document.getElementById("btn_1702591042439_309_1");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590495232_382_1");
+            var collapsible_content = document.getElementById("content_1702591042439_309_1");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
             </script>
             </div></div>
diff --git a/docs/litgen_book/20_10_00_pimpl_my_class.html b/docs/litgen_book/20_10_00_pimpl_my_class.html
index 2beea20d..d3bde45c 100644
--- a/docs/litgen_book/20_10_00_pimpl_my_class.html
+++ b/docs/litgen_book/20_10_00_pimpl_my_class.html
@@ -257,7 +257,7 @@
       
       
       
-      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/packages/litgen/litgen-book/20_10_00_pimpl_my_class.ipynb" target="_blank"
+      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/litgen-book/20_10_00_pimpl_my_class.ipynb" target="_blank"
    class="btn btn-sm dropdown-item"
    title="Launch onBinder"
    data-bs-placement="left" data-bs-toggle="tooltip"
@@ -526,7 +526,7 @@ <h2>A simple example<a class="headerlink" href="#a-simple-example" title="Permal
 </style>
 
     <script>
-       function copy_code_1702590495985_031() {
+       function copy_code_1702591043186_351() {
             let code = `
 #include "my_class.h"
 
@@ -570,10 +570,10 @@ <h2>A simple example<a class="headerlink" href="#a-simple-example" title="Permal
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590495985_031_0" >MyClassPImpl cpp file</button>
-    <div class="collapsible_content" id="content_1702590495985_031_0">
+    <button class="collapsible_header" id="btn_1702591043186_351_0" >MyClassPImpl cpp file</button>
+    <div class="collapsible_content" id="content_1702591043186_351_0">
         <div>
-                <button onclick="copy_code_1702590495985_031()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591043186_351()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -688,10 +688,10 @@ <h2>A simple example<a class="headerlink" href="#a-simple-example" title="Permal
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590495985_031_0");
+    var button = document.getElementById("btn_1702591043186_351_0");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590495985_031_0");
+        var content = document.getElementById("content_1702591043186_351_0");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
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@@ -701,9 +701,9 @@ <h2>A simple example<a class="headerlink" href="#a-simple-example" title="Permal
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590495985_031_0");
+            var collapsible_header = document.getElementById("btn_1702591043186_351_0");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590495985_031_0");
+            var collapsible_content = document.getElementById("content_1702591043186_351_0");
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@@ -766,7 +766,7 @@ <h2>A simple example<a class="headerlink" href="#a-simple-example" title="Permal
 </style>
 
     <script>
-       function copy_code_1702590495996_293() {
+       function copy_code_1702591043197_763() {
             let code = `class MyClassPImpl;
 
 // Some doc about the class, that you want to see in the header file
@@ -794,10 +794,10 @@ <h2>A simple example<a class="headerlink" href="#a-simple-example" title="Permal
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        }
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-    <div class="collapsible_content" id="content_1702590495996_293_1">
+    <button class="collapsible_header" id="btn_1702591043197_763_1" >Header Code</button>
+    <div class="collapsible_content" id="content_1702591043197_763_1">
         <div>
-                <button onclick="copy_code_1702590495996_293()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591043197_763()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -898,10 +898,10 @@ <h2>A simple example<a class="headerlink" href="#a-simple-example" title="Permal
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590495996_293_1");
+    var button = document.getElementById("btn_1702591043197_763_1");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590495996_293_1");
+        var content = document.getElementById("content_1702591043197_763_1");
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@@ -911,9 +911,9 @@ <h2>A simple example<a class="headerlink" href="#a-simple-example" title="Permal
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590495996_293_1");
+            var collapsible_header = document.getElementById("btn_1702591043197_763_1");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590495996_293_1");
+            var collapsible_content = document.getElementById("content_1702591043197_763_1");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
             </script>
             </div><div class="output text_html">
@@ -962,7 +962,7 @@ <h2>A simple example<a class="headerlink" href="#a-simple-example" title="Permal
 </style>
 
     <script>
-       function copy_code_1702590495997_4458() {
+       function copy_code_1702591043198_923() {
             let code = `MyClass::MyClass(const std::string & someVar)
     : mPImpl(std::make_unique<MyClassPImpl>(someVar)) { }
 bool MyClass::SomeMethod() {
@@ -974,10 +974,10 @@ <h2>A simple example<a class="headerlink" href="#a-simple-example" title="Permal
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        }
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-    <button class="collapsible_header" id="btn_1702590495997_4458_2" >Glue Code (add this at the bottom of the C++ file)</button>
-    <div class="collapsible_content" id="content_1702590495997_4458_2">
+    <button class="collapsible_header" id="btn_1702591043198_923_2" >Glue Code (add this at the bottom of the C++ file)</button>
+    <div class="collapsible_content" id="content_1702591043198_923_2">
         <div>
-                <button onclick="copy_code_1702590495997_4458()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591043198_923()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1061,10 +1061,10 @@ <h2>A simple example<a class="headerlink" href="#a-simple-example" title="Permal
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590495997_4458_2");
+    var button = document.getElementById("btn_1702591043198_923_2");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590495997_4458_2");
+        var content = document.getElementById("content_1702591043198_923_2");
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@@ -1074,9 +1074,9 @@ <h2>A simple example<a class="headerlink" href="#a-simple-example" title="Permal
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590495997_4458_2");
+            var collapsible_header = document.getElementById("btn_1702591043198_923_2");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590495997_4458_2");
+            var collapsible_content = document.getElementById("content_1702591043198_923_2");
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@@ -1147,7 +1147,7 @@ <h2>Running PImplMyCode on a whole codebase<a class="headerlink" href="#running-
 </style>
 
     <script>
-       function copy_code_1702590496002_059() {
+       function copy_code_1702591043203_776() {
             let code = `
 #include "my_class.h"
 
@@ -1169,10 +1169,10 @@ <h2>Running PImplMyCode on a whole codebase<a class="headerlink" href="#running-
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-    <div class="collapsible_content" id="content_1702590496002_059_3">
+    <button class="collapsible_header" id="btn_1702591043203_776_3" >/var/folders/w1/w77kvvl9613022ksfxj7v8xh0000gn/T/tmpnrhxy9z2/my_class.cpp</button>
+    <div class="collapsible_content" id="content_1702591043203_776_3">
         <div>
-                <button onclick="copy_code_1702590496002_059()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591043203_776()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1264,10 +1264,10 @@ <h2>Running PImplMyCode on a whole codebase<a class="headerlink" href="#running-
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590496002_059_3");
+    var button = document.getElementById("btn_1702591043203_776_3");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590496002_059_3");
+        var content = document.getElementById("content_1702591043203_776_3");
         if (content.style.maxHeight){
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         } else {
@@ -1277,9 +1277,9 @@ <h2>Running PImplMyCode on a whole codebase<a class="headerlink" href="#running-
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590496002_059_3");
+            var collapsible_header = document.getElementById("btn_1702591043203_776_3");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590496002_059_3");
+            var collapsible_content = document.getElementById("content_1702591043203_776_3");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
             </script>
             </div><div class="output text_html">
@@ -1328,7 +1328,7 @@ <h2>Running PImplMyCode on a whole codebase<a class="headerlink" href="#running-
 </style>
 
     <script>
-       function copy_code_1702590496002_9558() {
+       function copy_code_1702591043204_716() {
             let code = `
 #pragma once
 #include <memory>
@@ -1341,10 +1341,10 @@ <h2>Running PImplMyCode on a whole codebase<a class="headerlink" href="#running-
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590496002_9558_4" >/var/folders/w1/w77kvvl9613022ksfxj7v8xh0000gn/T/tmpd1996t0z/my_class.h</button>
-    <div class="collapsible_content" id="content_1702590496002_9558_4">
+    <button class="collapsible_header" id="btn_1702591043204_716_4" >/var/folders/w1/w77kvvl9613022ksfxj7v8xh0000gn/T/tmpnrhxy9z2/my_class.h</button>
+    <div class="collapsible_content" id="content_1702591043204_716_4">
         <div>
-                <button onclick="copy_code_1702590496002_9558()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591043204_716()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1428,10 +1428,10 @@ <h2>Running PImplMyCode on a whole codebase<a class="headerlink" href="#running-
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590496002_9558_4");
+    var button = document.getElementById("btn_1702591043204_716_4");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590496002_9558_4");
+        var content = document.getElementById("content_1702591043204_716_4");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1441,9 +1441,9 @@ <h2>Running PImplMyCode on a whole codebase<a class="headerlink" href="#running-
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590496002_9558_4");
+            var collapsible_header = document.getElementById("btn_1702591043204_716_4");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590496002_9558_4");
+            var collapsible_content = document.getElementById("content_1702591043204_716_4");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
             </script>
             </div></div>
@@ -1511,7 +1511,7 @@ <h2>Running PImplMyCode on a whole codebase<a class="headerlink" href="#running-
 </style>
 
     <script>
-       function copy_code_1702590496008_886() {
+       function copy_code_1702591043210_509() {
             let code = `
 #include "my_class.h"
 
@@ -1539,10 +1539,10 @@ <h2>Running PImplMyCode on a whole codebase<a class="headerlink" href="#running-
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590496008_886_5" >/var/folders/w1/w77kvvl9613022ksfxj7v8xh0000gn/T/tmpd1996t0z/my_class.cpp</button>
-    <div class="collapsible_content" id="content_1702590496008_886_5">
+    <button class="collapsible_header" id="btn_1702591043210_509_5" >/var/folders/w1/w77kvvl9613022ksfxj7v8xh0000gn/T/tmpnrhxy9z2/my_class.cpp</button>
+    <div class="collapsible_content" id="content_1702591043210_509_5">
         <div>
-                <button onclick="copy_code_1702590496008_886()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591043210_509()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1640,10 +1640,10 @@ <h2>Running PImplMyCode on a whole codebase<a class="headerlink" href="#running-
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590496008_886_5");
+    var button = document.getElementById("btn_1702591043210_509_5");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590496008_886_5");
+        var content = document.getElementById("content_1702591043210_509_5");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1653,9 +1653,9 @@ <h2>Running PImplMyCode on a whole codebase<a class="headerlink" href="#running-
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590496008_886_5");
+            var collapsible_header = document.getElementById("btn_1702591043210_509_5");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590496008_886_5");
+            var collapsible_content = document.getElementById("content_1702591043210_509_5");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
             </script>
             </div><div class="output text_html">
@@ -1704,7 +1704,7 @@ <h2>Running PImplMyCode on a whole codebase<a class="headerlink" href="#running-
 </style>
 
     <script>
-       function copy_code_1702590496010_0142() {
+       function copy_code_1702591043211_7178() {
             let code = `
 #pragma once
 #include <memory>
@@ -1729,10 +1729,10 @@ <h2>Running PImplMyCode on a whole codebase<a class="headerlink" href="#running-
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590496010_0142_6" >/var/folders/w1/w77kvvl9613022ksfxj7v8xh0000gn/T/tmpd1996t0z/my_class.h</button>
-    <div class="collapsible_content" id="content_1702590496010_0142_6">
+    <button class="collapsible_header" id="btn_1702591043211_7178_6" >/var/folders/w1/w77kvvl9613022ksfxj7v8xh0000gn/T/tmpnrhxy9z2/my_class.h</button>
+    <div class="collapsible_content" id="content_1702591043211_7178_6">
         <div>
-                <button onclick="copy_code_1702590496010_0142()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591043211_7178()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -1828,10 +1828,10 @@ <h2>Running PImplMyCode on a whole codebase<a class="headerlink" href="#running-
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590496010_0142_6");
+    var button = document.getElementById("btn_1702591043211_7178_6");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590496010_0142_6");
+        var content = document.getElementById("content_1702591043211_7178_6");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -1841,9 +1841,9 @@ <h2>Running PImplMyCode on a whole codebase<a class="headerlink" href="#running-
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590496010_0142_6");
+            var collapsible_header = document.getElementById("btn_1702591043211_7178_6");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590496010_0142_6");
+            var collapsible_content = document.getElementById("content_1702591043211_7178_6");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
             </script>
             </div></div>
diff --git a/docs/litgen_book/20_15_00_pimpl_online.html b/docs/litgen_book/20_15_00_pimpl_online.html
index 44ee4fe6..8cebe0c2 100644
--- a/docs/litgen_book/20_15_00_pimpl_online.html
+++ b/docs/litgen_book/20_15_00_pimpl_online.html
@@ -256,7 +256,7 @@
       
       
       
-      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/packages/litgen/litgen-book/20_15_00_pimpl_online.ipynb" target="_blank"
+      <li><a href="https://mybinder.org/v2/gh/pthom/litgen/main?urlpath=lab/tree/litgen-book/20_15_00_pimpl_online.ipynb" target="_blank"
    class="btn btn-sm dropdown-item"
    title="Launch onBinder"
    data-bs-placement="left" data-bs-toggle="tooltip"
@@ -547,7 +547,7 @@ <h1>Online PImpl generation<a class="headerlink" href="#online-pimpl-generation"
 </style>
 
     <script>
-       function copy_code_1702590496738_155() {
+       function copy_code_1702591044087_132() {
             let code = `class MyClassPImpl;
 
 // Some doc about the class, that you want to see in the header file
@@ -572,10 +572,10 @@ <h1>Online PImpl generation<a class="headerlink" href="#online-pimpl-generation"
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590496738_155_0" >Header Code</button>
-    <div class="collapsible_content" id="content_1702590496738_155_0">
+    <button class="collapsible_header" id="btn_1702591044087_132_0" >Header Code</button>
+    <div class="collapsible_content" id="content_1702591044087_132_0">
         <div>
-                <button onclick="copy_code_1702590496738_155()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591044087_132()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -673,10 +673,10 @@ <h1>Online PImpl generation<a class="headerlink" href="#online-pimpl-generation"
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590496738_155_0");
+    var button = document.getElementById("btn_1702591044087_132_0");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590496738_155_0");
+        var content = document.getElementById("content_1702591044087_132_0");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -686,9 +686,9 @@ <h1>Online PImpl generation<a class="headerlink" href="#online-pimpl-generation"
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590496738_155_0");
+            var collapsible_header = document.getElementById("btn_1702591044087_132_0");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590496738_155_0");
+            var collapsible_content = document.getElementById("content_1702591044087_132_0");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
             </script>
             </div><div class="output text_html">
@@ -737,7 +737,7 @@ <h1>Online PImpl generation<a class="headerlink" href="#online-pimpl-generation"
 </style>
 
     <script>
-       function copy_code_1702590496740_296() {
+       function copy_code_1702591044089_251() {
             let code = `MyClass::MyClass(const std::string & someParam)
     : mPImpl(std::make_unique<MyClassPImpl>(someParam)) { }
 bool MyClass::SomeMethod() {
@@ -749,10 +749,10 @@ <h1>Online PImpl generation<a class="headerlink" href="#online-pimpl-generation"
             navigator.clipboard.writeText(code);
        }
     </script>
-    <button class="collapsible_header" id="btn_1702590496740_296_1" >Glue Code (paste this in the C++ file)</button>
-    <div class="collapsible_content" id="content_1702590496740_296_1">
+    <button class="collapsible_header" id="btn_1702591044089_251_1" >Glue Code (paste this in the C++ file)</button>
+    <div class="collapsible_content" id="content_1702591044089_251_1">
         <div>
-                <button onclick="copy_code_1702590496740_296()" align="right">copy &#x270d;</button>
+                <button onclick="copy_code_1702591044089_251()" align="right">copy &#x270d;</button>
         </div>
         <style>pre { line-height: 125%; }
 td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
@@ -836,10 +836,10 @@ <h1>Online PImpl generation<a class="headerlink" href="#online-pimpl-generation"
     </div>
     
     <script>
-    var button = document.getElementById("btn_1702590496740_296_1");
+    var button = document.getElementById("btn_1702591044089_251_1");
     button.addEventListener("click", function() {
         this.classList.toggle("collapsible_header_opened");
-        var content = document.getElementById("content_1702590496740_296_1");
+        var content = document.getElementById("content_1702591044089_251_1");
         if (content.style.maxHeight){
           content.style.maxHeight = null;
         } else {
@@ -849,9 +849,9 @@ <h1>Online PImpl generation<a class="headerlink" href="#online-pimpl-generation"
     </script>
     
             <script>
-            var collapsible_header = document.getElementById("btn_1702590496740_296_1");
+            var collapsible_header = document.getElementById("btn_1702591044089_251_1");
             collapsible_header.classList.toggle("collapsible_header_opened");
-            var collapsible_content = document.getElementById("content_1702590496740_296_1");
+            var collapsible_content = document.getElementById("content_1702591044089_251_1");
             collapsible_content.style.maxHeight = collapsible_content.scrollHeight + "px";
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diff --git a/docs/litgen_book/_sources/12_05_00_srcml_issues.md b/docs/litgen_book/_sources/12_05_00_srcml_issues.md
index 0364887c..c1fc168d 100644
--- a/docs/litgen_book/_sources/12_05_00_srcml_issues.md
+++ b/docs/litgen_book/_sources/12_05_00_srcml_issues.md
@@ -4,9 +4,13 @@ srcML parses C++ 14 code into XML:
 * it will *never* fail to construct an XML tree from C++ code
 * it will *always* regenerate the exact same original C++ code from the XML tree
 
-However, there are corner cases where the XML tree is not what you would expect. See some gotchas below:
+However, there are corner cases where the XML tree is not what you would expect. 
+See some gotchas below.
 
-## Don't use `={}` as function's default parameter value
+
+## srcML
+
+### Don't use `={}` as function's default parameter value
 
 See [related issue](https://github.com/srcML/srcML/issues/1833)
 
@@ -19,3 +23,45 @@ is parsed as a declaration statement, whereas
 void Foo(int v = 0 );
 ```
 is correctly parsed as a function declaration.
+
+
+### Note about mixing auto return and API markers
+Mixing API marker and auto return type is not supported.
+
+ Such functions will not be parsed correctly!
+
+```cpp
+    MY_API auto my_modulo(int a, int b)
+    MY_API auto my_pow(double a, double b) -> double
+```
+
+
+## Python bindings
+
+### Note about function arrow-return type notation:
+
+Arrow return notation function are correctly exported to python, including their return type.
+For example,
+```cpp
+auto my_pow(double a, double b) -> double
+```
+Will result in:
+```python
+def my_pow(a: float, b: float) -> float:
+pass
+```
+
+### Note about function inferred return type notation:
+
+Functions with an inferred return type are correctly exported to python, however the published return type is unknown and will be marked as "Any"
+For example,
+```cpp
+auto my_pow(double a, double b)
+```
+Will result in:
+```python
+def my_pow(a: float, b: float) -> Any:
+pass
+```
+
+
diff --git a/docs/litgen_book/searchindex.js b/docs/litgen_book/searchindex.js
index 0a291875..dd3dccc0 100644
--- a/docs/litgen_book/searchindex.js
+++ b/docs/litgen_book/searchindex.js
@@ -1 +1 @@
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\ No newline at end of file
diff --git a/litgen-book/12_05_00_srcml_issues.md b/litgen-book/12_05_00_srcml_issues.md
index 0364887c..6918fcbe 100644
--- a/litgen-book/12_05_00_srcml_issues.md
+++ b/litgen-book/12_05_00_srcml_issues.md
@@ -4,9 +4,13 @@ srcML parses C++ 14 code into XML:
 * it will *never* fail to construct an XML tree from C++ code
 * it will *always* regenerate the exact same original C++ code from the XML tree
 
-However, there are corner cases where the XML tree is not what you would expect. See some gotchas below:
+However, there are corner cases where the XML tree is not what you would expect.
+See some gotchas below.
 
-## Don't use `={}` as function's default parameter value
+
+## srcML
+
+### Don't use `={}` as function's default parameter value
 
 See [related issue](https://github.com/srcML/srcML/issues/1833)
 
@@ -19,3 +23,43 @@ is parsed as a declaration statement, whereas
 void Foo(int v = 0 );
 ```
 is correctly parsed as a function declaration.
+
+
+### Note about mixing auto return and API markers
+Mixing API marker and auto return type is not supported.
+
+ Such functions will not be parsed correctly!
+
+```cpp
+    MY_API auto my_modulo(int a, int b)
+    MY_API auto my_pow(double a, double b) -> double
+```
+
+
+## Python bindings
+
+### Note about function arrow-return type notation:
+
+Arrow return notation function are correctly exported to python, including their return type.
+For example,
+```cpp
+auto my_pow(double a, double b) -> double
+```
+Will result in:
+```python
+def my_pow(a: float, b: float) -> float:
+pass
+```
+
+### Note about function inferred return type notation:
+
+Functions with an inferred return type are correctly exported to python, however the published return type is unknown and will be marked as "Any"
+For example,
+```cpp
+auto my_pow(double a, double b)
+```
+Will result in:
+```python
+def my_pow(a: float, b: float) -> Any:
+pass
+```
diff --git a/litgen-book/_config.yml b/litgen-book/_config.yml
index bf0f1cd8..5b448fda 100644
--- a/litgen-book/_config.yml
+++ b/litgen-book/_config.yml
@@ -22,7 +22,7 @@ latex:
 # Information about where the book exists on the web
 repository:
   url: https://github.com/pthom/litgen  # Online location of your book
-  path_to_book: packages/litgen/litgen-book  # Optional path to your book, relative to the repository root
+  path_to_book: litgen-book  # Optional path to your book, relative to the repository root
   branch: main  # Which branch of the repository should be used when creating links (optional)
 
 launch_buttons:
diff --git a/packages/litgen/Readme.md b/packages/litgen/Readme.md
deleted file mode 100644
index 72c41a50..00000000
--- a/packages/litgen/Readme.md
+++ /dev/null
@@ -1,38 +0,0 @@
-# litgen: Main Python package that generates bindings
-
-Note about function arrow-return type notation:
------------------------------------------------
-Arrow return notation function are correctly exported, including their return type.
-For example,
-```cpp
-auto my_pow(double a, double b) -> double
-```
-Will result in:
-```python
-def my_pow(a: float, b: float) -> float:
-pass
-```
-
-Note about function inferred return type notation:
------------------------------------------------
-Functions with an inferred return type are correctly exported,
-however the published return type is unknown and will be marked as "Any"
-For example,
-```cpp
-auto my_pow(double a, double b)
-```
-Will result in:
-```python
-def my_pow(a: float, b: float) -> Any:
-pass
-```
-
-
-Note about mixing auto return and API markers
----------------------------------------------
-Mixing API marker and auto return type is not supported. Such function would not be exported!
-
-```cpp
-    MY_API auto my_modulo(int a, int b)
-    MY_API auto my_pow(double a, double b) -> double
-```