update snippets of bib, tex, and python

bib.snip: fix place holders

tex.snip: fix figure snippet and add snippets for math
* fix option of includegraphics in figure
* \frac and \left \right are implemented

python.snip: rename fileidiom to with_open and update
* rename filename to file
* change mode to r (default)

Author: e-kwsm

neosnippets/bib.snip

@@ -42,7 +42,7 @@ alias   @incollection
         author = {${2}},
         title = {${3}},
         booktitle = {${4}},
-        year = {${4}},
+        year = {${5}},
         memo = {editor, pages, organization, publisher, address, month, note},
     }
 
@@ -83,9 +83,9 @@ alias   @misc
 snippet online
 alias   @online
     @online{${1:LABEL},
-        author = {${1}},
-        title = {${2}},
-        url = {${3}},
+        author = {${2}},
+        title = {${3}},
+        url = {${4}},
         note = {year/date},
     }
 

neosnippets/python.snip

@@ -59,10 +59,10 @@ options     head
 	else:
 		${0:pass}
 
-snippet     fileidiom
-abbr        with open()
+snippet     with_open
+alias       fileidiom
 options     head
-	with open(${1:#:filename}, '${2:#:mode}') as ${3:f}:
+	with open(${1:#:file}, '${2:r}') as ${3:f}:
 		${0:pass}
 
 snippet     for

neosnippets/tex.snip

@@ -212,9 +212,9 @@ snippet figure
 alias   \begin{figure} \figure
     \begin{figure}[${1}]
         \centering
-        \includegraphics[${2:width=}]{${3}}
-        \caption{${4}}
-        \label{${5}}
+        \includegraphics[${2:width=${3\}}]{${4}}
+        \caption{${5}}
+        \label{${6}}
     \end{figure}
 
 snippet filecontents
@@ -338,6 +338,17 @@ alias   subparagraph \subparagraph{
     \subparagraph{${1}}
     ${0:TARGET}
 
+# ========== MATH ==========
+
+snippet \frac
+alias   frac \frac{
+    \frac{${1}}{${2}}${0}
+
+snippet \left
+alias   left
+abbr    \left \right
+    \left${1:(} ${3:#:body} \right${2:)}${0}
+
 # ========== FONT ==========
 
 snippet bfseries