Merge pull request #48 from kaamaru/master

Fix HTML Bug

Parsedown.php

@@ -399,11 +399,16 @@ class Parsedown
 
 					# reference
 
-					if (preg_match('/^\[(.+?)\]:[ ]*([^ ]+)/', $deindented_line, $matches))
+					if (preg_match('/^\[(.+?)\]:\s*([^\s]+)(?:\s+["\'\(](.+)["\'\)])?/', $deindented_line, $matches))
 					{
 						$label = strtolower($matches[1]);
 
-						$this->reference_map[$label] = trim($matches[2], '<>');;
+						$this->reference_map[$label] = trim($matches[2], '<>');
+
+						if (isset($matches[3]))
+						{
+							$this->reference_map[$label.":title"] = $matches[3];
+						}
 
 						continue 2;
 					}
@@ -613,6 +618,12 @@ class Parsedown
 					isset($element['last']) and $markup .= '</'.$list_type.'>'."\n";
 
 					break;
+					
+				case 'markup':
+					
+					$markup .= $this->parse_span_elements($element['text'])."\n";
+
+					break;
 
 				default:
 
@@ -629,9 +640,9 @@ class Parsedown
 
 		$index = 0;
 
-		# inline link or image (recursive)
+		# inline link / inline image (recursive)
 
-		if (strpos($text, '](') !== FALSE and preg_match_all('/(!?)(\[((?:[^\[\]]|(?2))*)\])\((.*?)\)/', $text, $matches, PREG_SET_ORDER)) # inline
+		if (strpos($text, '](') !== FALSE and preg_match_all('/(!?)(\[((?:[^\[\]]|(?2))*)\])\((.*?)(?:\s+["\'\(](.*?)["\'\)])?\)/', $text, $matches, PREG_SET_ORDER))
 		{
 			foreach ($matches as $matches)
 			{
@@ -643,11 +654,18 @@ class Parsedown
 				{
 					$element = '<img alt="'.$matches[3].'" src="'.$url.'">';
 				}
-				else
+				else # link
 				{
 					$element_text = $this->parse_span_elements($matches[3]);
 
-					$element = '<a href="'.$url.'">'.$element_text.'</a>';
+					if (isset($matches[5]))
+					{
+						$element = '<a href="'.$url.'" title="'.$matches[5].'">'.$element_text.'</a>';
+					}
+					else
+					{
+						$element = '<a href="'.$url.'">'.$element_text.'</a>';
+					}
 				}
 
 				# ~
@@ -662,7 +680,7 @@ class Parsedown
 			}
 		}
 
-		# reference link or image (recursive)
+		# reference link / reference image (recursive)
 
 		if ($this->reference_map and strpos($text, '[') !== FALSE and preg_match_all('/(!?)\[(.+?)\](?:\n?[ ]?\[(.*?)\])?/ms', $text, $matches, PREG_SET_ORDER))
 		{
@@ -684,11 +702,18 @@ class Parsedown
 					{
 						$element = '<img alt="'.$matches[2].'" src="'.$url.'">';
 					}
-					else # anchor
+					else # link
 					{
 						$element_text = $this->parse_span_elements($matches[2]);
 
-						$element = '<a href="'.$url.'">'.$element_text.'</a>';
+						if (isset($this->reference_map[$link_definition.":title"]))
+						{
+							$element = '<a href="'.$url.'" title="'.$this->reference_map[$link_definition.":title"].'">'.$element_text.'</a>';
+						}
+						else
+						{
+							$element = '<a href="'.$url.'">'.$element_text.'</a>';
+						}
 					}
 
 					# ~
@@ -784,18 +809,15 @@ class Parsedown
 		if (strpos($text, '_') !== FALSE)
 		{
 			$text = preg_replace('/__(?=\S)([^_]+?)(?<=\S)__/s', '<strong>$1</strong>', $text, -1, $count);
-			$count or $text = preg_replace('/__(?=\S)(.+?)(?<=\S)__(?!_)/s', '<strong>$1</strong>', $text);
-
-			$text = preg_replace('/\b_(?=\S)(.+?)(?<=\S)_\b/s', '<em>$1</em>', $text);
+			$text = preg_replace('/(\b|_)_(?=\S)([^_]+?)(?<=\S)_(\b|_)/s', '$1<em>$2</em>$3', $text);
+			$text = preg_replace('/__(?=\S)([^_]+?)(?<=\S)__/s', '<strong>$1</strong>', $text, -1, $count);
 		}
 
 		if (strpos($text, '*') !== FALSE)
 		{
-			$text = preg_replace('/\*\*(?=\S)([^*]+?)(?<=\S)\*\*/s', '<strong>$1</strong>', $text, -1, $count);
-			$count or $text = preg_replace('/\*\*(?=\S)(.+?)(?<=\S)\*\*(?!\*)/s', '<strong>$1</strong>', $text);
-
-			$text = preg_replace('/\*(?=\S)([^*]+?)(?<=\S)\*/s', '<em>$1</em>', $text, -1, $count);
-			$count or $text = preg_replace('/\*(?=\S)(.+?)(?<=\S)\*(?!\*)/s', '<em>$1</em>', $text);
+			$text = preg_replace('/\*\*(?=\S)([^*]+?)(?<=\S)\*\*/s', '<strong>$1</strong>', $text);
+			$text = preg_replace('/\*(?=\S)([^*]+?)(?<=\S)\*/s', '<em>$1</em>', $text);
+			$text = preg_replace('/\*\*(?=\S)([^*]+?)(?<=\S)\*\*/s', '<strong>$1</strong>', $text);
 		}
 
 		$text = strtr($text, $map);

README.md

@@ -1,10 +1,10 @@
 ## Parsedown
 
-Better [Markdown](http://daringfireball.net/projects/markdown/) parser for PHP.
+Better [Markdown](http://en.wikipedia.org/wiki/Markdown) parser for PHP.
 
 ***
 
-[demo](http://parsedown.org/demo) · [tests](http://parsedown.org/tests/)
+[ [demo](http://parsedown.org/demo) ] [ [tests](http://parsedown.org/tests/) ]
 
 ***
 

tests/data/em_strong.html

@@ -1,4 +1,6 @@
 <p><strong><em>em strong</em> strong</strong></p>
 <p><strong>strong <em>em strong</em></strong></p>
 <p><strong>strong <em>em strong</em> strong</strong></p>
-<p><strong>strong <em>em strong</em></strong></p>
+<p><strong><em>em strong</em> strong</strong></p>
+<p><strong>strong <em>em strong</em></strong></p>
+<p><strong>strong <em>em strong</em> strong</strong></p>

tests/data/em_strong.md

@@ -4,4 +4,8 @@ __strong _em strong___
 
 __strong _em strong_ strong__
 
-**strong *em strong***
+***em strong* strong**
+
+**strong *em strong***
+
+**strong *em strong* strong**

tests/data/emphasis.html

@@ -3,4 +3,5 @@
 emphasis</em></p>
 <p>_ this _ is not an emphasis, neither is _ this_, _this _, or _this*</p>
 <p>this_is_not_an_emphasis</p>
-<p>an empty emphasis __ ** is not an emphasis</p>
+<p>an empty emphasis __ ** is not an emphasis</p>
+<p>*mixed *<em>double and</em> single asterisk** spans</p>

tests/data/emphasis.md

@@ -7,4 +7,6 @@ _ this _ is not an emphasis, neither is _ this_, _this _, or _this*
 
 this_is_not_an_emphasis
 
-an empty emphasis __ ** is not an emphasis
+an empty emphasis __ ** is not an emphasis
+
+*mixed **double and* single asterisk** spans

tests/data/implicit_reference.html

@@ -1,2 +1,3 @@
 <p>an <a href="http://example.com">implicit</a> reference link</p>
-<p>an <a href="http://example.com">implicit</a> reference link with an empty link definition</p>
+<p>an <a href="http://example.com">implicit</a> reference link with an empty link definition</p>
+<p>an <a href="http://example.com" title="Example">explicit</a> reference link with a title</p>

tests/data/implicit_reference.md

@@ -2,4 +2,8 @@ an [implicit] reference link
 
 [implicit]: http://example.com
 
-an [implicit][] reference link with an empty link definition
+an [implicit][] reference link with an empty link definition
+
+an [explicit][example] reference link with a title
+
+[example]: http://example.com "Example"

tests/data/inline_link.html

@@ -1,3 +1,4 @@
 <p><a href="http://example.com">link</a></p>
 <p><a href="http://example.com"><code>link</code></a></p>
+<p><a href="http://example.com" title="Example">link with title</a></p>
 <p><a href="http://example.com"><img alt="MD Logo" src="http://parsedown.org/md.png"></a></p>

tests/data/inline_link.md

@@ -2,4 +2,6 @@
 
 [`link`](http://example.com)
 
+[link with title](http://example.com "Example")
+
 [![MD Logo](http://parsedown.org/md.png)](http://example.com)