improve readme

Remove "tested in PHP 5.2"

.travis.yml

@@ -5,6 +5,4 @@ php:
   - 5.5
   - 5.4
   - 5.3
-  - 5.2
   - hhvm
-  

Parsedown.php

@@ -17,7 +17,7 @@ class Parsedown
 {
     # ~
 
-    const version = '1.5.0';
+    const version = '1.5.1';
 
     # ~
 
@@ -736,8 +736,6 @@ class Parsedown
             {
                 $Block['closed'] = true;
             }
-
-            $Block['markup'] .= $matches[1];
         }
 
         if (isset($Block['interrupted']))
@@ -1199,7 +1197,7 @@ class Parsedown
             return;
         }
 
-        if (preg_match('/^[(]((?:[^ (]|[(][^ )]+[)])+)(?:[ ]+("[^"]+"|\'[^\']+\'))?[)]/', $remainder, $matches))
+        if (preg_match('/^[(]((?:[^ ()]|[(][^ )]+[)])+)(?:[ ]+("[^"]*"|\'[^\']*\'))?[)]/', $remainder, $matches))
         {
             $Element['attributes']['href'] = $matches[1];
 
@@ -1360,11 +1358,6 @@ class Parsedown
         }
     }
 
-    #
-    # ~
-
-    protected $unmarkedInlineTypes = array("\n" => 'Break', '://' => 'Url');
-
     # ~
 
     protected function unmarkedText($text)
@@ -1409,7 +1402,7 @@ class Parsedown
 
             if (isset($Element['handler']))
             {
-                $markup .= $this->$Element['handler']($Element['text']);
+                $markup .= $this->{$Element['handler']}($Element['text']);
             }
             else
             {

README.md

@@ -1,15 +1,18 @@
 ## Parsedown
 
+[![Build Status](https://img.shields.io/travis/erusev/parsedown/master.svg?style=flat-square)](https://travis-ci.org/erusev/parsedown)
+<!--[![Total Downloads](http://img.shields.io/packagist/dt/erusev/parsedown.svg?style=flat-square)](https://packagist.org/packages/erusev/parsedown)-->
+
 Better Markdown Parser in PHP
 
-[[ demo ]](http://parsedown.org/demo)
+[See Demo](http://parsedown.org/demo)
 
 ### Features
 
 * [Fast](http://parsedown.org/speed)
 * [Consistent](http://parsedown.org/consistency)
 * [GitHub flavored](https://help.github.com/articles/github-flavored-markdown)
-* [Tested](http://parsedown.org/tests/) in PHP 5.2, 5.3, 5.4, 5.5, 5.6 and [hhvm](http://www.hhvm.com/)
+* [Tested](http://parsedown.org/tests/) in PHP 5.3, 5.4, 5.5, 5.6 and [HHVM](http://www.hhvm.com/)
 * [Extensible](https://github.com/erusev/parsedown/wiki/Writing-Extensions)
 * [Markdown Extra extension](https://github.com/erusev/parsedown-extra)
 
@@ -35,14 +38,14 @@ It tries to read Markdown like a human. First, it looks at the lines. It’s int
 
 We call this approach "line based". We believe that Parsedown is the first Markdown parser to use it. Since the release of Parsedown, other developers have used the same approach to develop other Markdown parsers in PHP and in other languages.
 
-**Is Parsedown compliant with CommonMark?**
+**Is it compliant with CommonMark?**
 
-The majority of the CommonMark tests pass. Most of the tests that don't pass deal with cases that are quite extreme. Yet, we are working on them. As CommonMark matures, compliance should improve.
+It passes most of the CommonMark tests. Most of the tests that don't pass deal with cases that are quite uncommon. Still, as CommonMark matures, compliance should improve.
 
-**Who uses Parsedown?**
+**Who uses it?**
 
 [phpDocumentor](http://www.phpdoc.org/), [October CMS](http://octobercms.com/), [Bolt CMS](http://bolt.cm/), [Kirby CMS](http://getkirby.com/), [Grav CMS](http://getgrav.org/), [Statamic CMS](http://www.statamic.com/),  [RaspberryPi.org](http://www.raspberrypi.org/) and [more](https://www.versioneye.com/php/erusev:parsedown/references).
 
 **How can I help?**
 
-Use the project, tell friends about it and if you feel generous, [donate some money](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=528P3NZQMP8N2).
+Use it, star it, share it and if you feel generous, [donate some money](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=528P3NZQMP8N2).

test/data/block-level_html.html

@@ -1,13 +1,12 @@
 <div>_content_</div>
-<p>sparse:</p>
-<div>
-<div class="inner">
-_content_
-</div>
-</div>
 <p>paragraph</p>
+<div>
+  <div class="inner">
+    _content_
+  </div>
+</div>
 <style type="text/css">
-    p {
-        color: red;
-    }
-</style>
+  p {color: #789;}
+</style>
+<div>
+  <a href="/">home</a></div>

test/data/block-level_html.md

@@ -1,17 +1,16 @@
 <div>_content_</div>
 
-sparse:
-
-<div>
-<div class="inner">
-_content_
-</div>
-</div>
-
 paragraph
 
+<div>
+  <div class="inner">
+    _content_
+  </div>
+</div>
+
 <style type="text/css">
-    p {
-        color: red;
-    }
+  p {color: #789;}
 </style>
+
+<div>
+  <a href="/">home</a></div>

test/data/image_title.html

@@ -1 +1,2 @@
-<p><img src="/md.png" alt="alt" title="title" /></p>
+<p><img src="/md.png" alt="alt" title="title" /></p>
+<p><img src="/md.png" alt="blank title" title="" /></p>

test/data/image_title.md

@@ -1 +1,3 @@
-![alt](/md.png "title")
+![alt](/md.png "title")
+
+![blank title](/md.png "")

test/data/inline_link.html

@@ -1,4 +1,6 @@
-<p><a href="http://example.com">link</a> and <a href="/url-with-(parentheses)">another link</a></p>
+<p><a href="http://example.com">link</a></p>
+<p><a href="/url-(parentheses)">link</a> with parentheses in URL </p>
+<p>(<a href="/index.php">link</a>) in parentheses</p>
 <p><a href="http://example.com"><code>link</code></a></p>
 <p><a href="http://example.com"><img src="http://parsedown.org/md.png" alt="MD Logo" /></a></p>
 <p><a href="http://example.com"><img src="http://parsedown.org/md.png" alt="MD Logo" /> and text</a></p>

test/data/inline_link.md

@@ -1,4 +1,8 @@
-[link](http://example.com) and [another link](/url-with-(parentheses))
+[link](http://example.com)
+
+[link](/url-(parentheses)) with parentheses in URL 
+
+([link](/index.php)) in parentheses
 
 [`link`](http://example.com)
 

test/data/inline_link_title.html

@@ -1,4 +1,6 @@
 <p><a href="http://example.com" title="Title">single quotes</a></p>
 <p><a href="http://example.com" title="Title">double quotes</a></p>
+<p><a href="http://example.com" title="">single quotes blank</a></p>
+<p><a href="http://example.com" title="">double quotes blank</a></p>
 <p><a href="http://example.com" title="2 Words">space</a></p>
 <p><a href="http://example.com/url-(parentheses)" title="Title">parentheses</a></p>

test/data/inline_link_title.md

@@ -2,6 +2,10 @@
 
 [double quotes](http://example.com "Title")
 
+[single quotes blank](http://example.com '')
+
+[double quotes blank](http://example.com "")
+
 [space](http://example.com "2 Words")
 
 [parentheses](http://example.com/url-(parentheses) "Title")