Fixed a backtick parsing issue

- Fixes #136

Author: agnivade

lib/parser.js

@@ -40,7 +40,8 @@ exports.parse = (markdown) => {
       }
     }
     let example = page.examples[page.examples.length-1];
-    if (example) {
+    // If example exists and a code is already not added
+    if (example && !example.code) {
       example.code = unhtml(text);
     }
     return text;

test/parser.spec.js

@@ -119,6 +119,8 @@ describe('Parser', () => {
 
 \`cmd2 --foo\``
     );
+    page.examples[0].code.should.eql('cmd1 --foo');
+    page.examples[1].code.should.eql('cmd2 --foo');
     page.examples[0].description.should.eql('example 1, see inline_cmd1 for details');
     page.examples[1].description.should.eql('example 2, see inline_cmd2 for details');
   });