Merge pull request markedjs#1387 from Feder1co5oave/fix-1058

[commonmark] make code fences compliant (+ fix 1058)

lib/marked.js

@@ -91,7 +91,7 @@ block.normal = merge({}, block);
  */
 
 block.gfm = merge({}, block.normal, {
-  fences: /^ *(`{3,}|~{3,})[ \.]*(\S+)? *\n([\s\S]*?)\n? *\1 *(?:\n+|$)/,
+  fences: /^ {0,3}(`{3,}|~{3,})([^`\n]*)\n(?:|([\s\S]*?)\n)(?: {0,3}\1[~`]* *(?:\n+|$)|$)/,
   paragraph: /^/,
   heading: /^ *(#{1,6}) +([^\n]+?) *#* *(?:\n+|$)/
 });
@@ -231,7 +231,7 @@ Lexer.prototype.token = function(src, top) {
       src = src.substring(cap[0].length);
       this.tokens.push({
         type: 'code',
-        lang: cap[2],
+        lang: cap[2] ? cap[2].trim() : cap[2],
         text: cap[3] || ''
       });
       continue;
@@ -920,7 +920,8 @@ function Renderer(options) {
   this.options = options || marked.defaults;
 }
 
-Renderer.prototype.code = function(code, lang, escaped) {
+Renderer.prototype.code = function(code, infostring, escaped) {
+  var lang = (infostring || '').match(/\S*/)[0];
   if (this.options.highlight) {
     var out = this.options.highlight(code, lang);
     if (out != null && out !== code) {

test/new/gfm_code.html

@@ -14,3 +14,8 @@
 
 
 </code></pre>
+
+<p>Closing fences must lay on a new line:</p>
+<pre><code>hello()
+^```
+&quot;this should still be in the code block!&quot;</code></pre>

test/new/gfm_code.md

@@ -33,3 +33,11 @@ ciao
 
 
 ```
+
+Closing fences must lay on a new line:
+
+```
+hello()
+^```
+"this should still be in the code block!"
+```

test/specs/commonmark/commonmark-spec.js

@@ -159,8 +159,7 @@ describe('CommonMark 0.28 Indented code blocks', function() {
 describe('CommonMark 0.28 Fenced code blocks', function() {
   var section = 'Fenced code blocks';
 
-  // var shouldPassButFails = [];
-  var shouldPassButFails = [93, 95, 96, 97, 106, 108, 112];
+  var shouldPassButFails = [];
 
   var willNotBeAttemptedByCoreTeam = [];