fix(double linebreaks): fix double linebreaks in html output

Closes #291

Author: tivie

dist/showdown.js

@@ -112,7 +112,7 @@ showdown.subParser('lists', function (text, options, globals) {
         var pos = txt.search(counterRxg);
         if (pos !== -1) {
           // slice
-          result += '\n\n<' + listType + '>' + processListItems(txt.slice(0, pos), !!trimTrailing) + '</' + listType + '>\n\n';
+          result += '\n<' + listType + '>' + processListItems(txt.slice(0, pos), !!trimTrailing) + '</' + listType + '>\n';
 
           // invert counterType and listType
           listType = (listType === 'ul') ? 'ol' : 'ul';
@@ -121,14 +121,14 @@ showdown.subParser('lists', function (text, options, globals) {
           //recurse
           parseCL(txt.slice(pos));
         } else {
-          result += '\n\n<' + listType + '>' + processListItems(txt, !!trimTrailing) + '</' + listType + '>\n\n';
+          result += '\n<' + listType + '>' + processListItems(txt, !!trimTrailing) + '</' + listType + '>\n';
         }
       })(list);
       for (var i = 0; i < subLists.length; ++i) {
 
       }
     } else {
-      result = '\n\n<' + listType + '>' + processListItems(list, !!trimTrailing) + '</' + listType + '>\n\n';
+      result = '\n<' + listType + '>' + processListItems(list, !!trimTrailing) + '</' + listType + '>\n';
     }
 
     return result;

dist/showdown.js.map

@@ -58,7 +58,7 @@ showdown.subParser('paragraphs', function (text, options, globals) {
     }
     grafsOut[i] = grafsOutIt;
   }
-  text = grafsOut.join('\n\n');
+  text = grafsOut.join('\n');
   // Strip leading and trailing lines:
   text = text.replace(/^\n+/g, '');
   text = text.replace(/\n+$/g, '');

dist/showdown.min.js

@@ -2,12 +2,9 @@
     <p>a blockquote
 with a 4 space indented line (not code)</p>
 </blockquote>
-
 <p>sep</p>
-
 <blockquote>
     <p>a blockquote</p>
 </blockquote>
-
 <pre><code>with some code after
 </code></pre>

dist/showdown.min.js.map

@@ -1,9 +1,7 @@
 <pre><code>&gt; this is a pseudo blockquote
     &gt; inside a code block
 </code></pre>
-
 <p>foo</p>
-
 <pre><code>&gt; this is another bq
     inside code
 </code></pre>

src/subParsers/lists.js

@@ -1,14 +1,11 @@
 <blockquote>
   <h2 id="thisisaheader">This is a header.</h2>
-
   <ol>
     <li>This is the first list item.</li>
 
     <li>This is the second list item.</li>
   </ol>
-
   <p>Here's some example code:</p>
-
     <pre><code>return shell_exec("echo $input | $markdown_script");
     </code></pre>
 </blockquote>

src/subParsers/paragraphs.js

@@ -1,5 +1,4 @@
 <blockquote>
   <p>This is a multi line blockquote test</p>
-
   <p>With more than one line.</p>
 </blockquote>