Update HTML5 tags

From https://github.com/htacg/tidy-html5/blob/master/src/tags.c#L296

.travis.yml

@@ -1,18 +1,20 @@
 language: php
 
 php:
+    - 5.3.3
+    - 5.3
     - 5.4
     - 5.5
     - 5.6
     - nightly
-    - hhvm-nightly
+    - hhvm
 
 # run build against nightly but allow them to fail
 matrix:
     fast_finish: true
     allow_failures:
         - php: nightly
-        - php: hhvm-nightly
+        - php: hhvm
 
 # faster builds on new travis setup not using sudo
 sudo: false

composer.json

@@ -24,7 +24,7 @@
         "role": "Developer (original JS version)"
     }],
     "require": {
-        "php": ">=5.4",
+        "php": ">=5.3.3",
         "ext-tidy": ">=1.2"
     },
     "autoload": {

phpunit.xml.dist

@@ -27,6 +27,6 @@
     </filter>
 
     <logging>
-        <log type="coverage-html" target="coverage" title="FullText" charset="UTF-8" yui="true" highlight="true" lowUpperBound="35" highLowerBound="70"/>
+        <log type="coverage-html" target="coverage" title="Readability" charset="UTF-8" yui="true" highlight="true" lowUpperBound="35" highLowerBound="70"/>
     </logging>
 </phpunit>

src/Readability.php

@@ -47,7 +47,6 @@ namespace Readability;
  */
 class Readability
 {
-    public $version = '1.7.2-without-multi-page';
     public $convertLinksToFootnotes = false;
     public $revertForcedParagraphElements = true;
     public $articleTitle;
@@ -89,9 +88,9 @@ class Readability
         'output-xhtml' => true,
         'logical-emphasis' => true,
         'show-body-only' => false,
-        'new-blocklevel-tags' => 'article,aside,audio,details,figcaption,figure,footer,header,hgroup,nav,section,source,summary,temp,track,video',
+        'new-blocklevel-tags' => 'article aside audio bdi canvas details dialog figcaption figure footer header hgroup main menu menuitem nav section source summary template track video',
-        'new-empty-tags' => 'command,embed,keygen,source,track,wbr',
+        'new-empty-tags' => 'command embed keygen source track wbr',
-        'new-inline-tags' => 'audio,canvas,command,datalist,embed,keygen,mark,meter,output,progress,time,video,wbr',
+        'new-inline-tags' => 'audio command datalist embed keygen mark menuitem meter output progress source time video wbr',
         'wrap' => 0,
         'drop-empty-paras' => true,
         'drop-proprietary-attributes' => false,
@@ -195,7 +194,13 @@ class Readability
             libxml_use_internal_errors(true);
             $this->dom = new \DOMDocument();
             $this->dom->preserveWhiteSpace = false;
-            @$this->dom->loadHTML($html, LIBXML_NOBLANKS | LIBXML_COMPACT | LIBXML_NOERROR);
+
+            if (PHP_VERSION_ID >= 50400) {
+                $this->dom->loadHTML($html, LIBXML_NOBLANKS | LIBXML_COMPACT | LIBXML_NOERROR);
+            } else {
+                $this->dom->loadHTML($html);
+            }
+
             libxml_use_internal_errors(false);
         }