MDL-19266 lib/html2text: fix warnings in cron when using PHP4

lib/html2text.php

@@ -471,7 +471,7 @@ class html2text
         $text = preg_replace_callback($this->callback_search, array('html2text', '_preg_callback'), $text);
 
         // Replace known html entities
-        $text = html_entity_decode($text, ENT_COMPAT, 'UTF-8');
+        $text = utf8_encode(html_entity_decode($text));
 
         // Remove unknown/unhandled entities (this cannot be done in search-and-replace block)
         $text = preg_replace('/&[^&;]+;/i', '', $text); 

lib/html2text_readme.txt

@@ -1,5 +1,24 @@
-html2text.php is an unmodified copy of a file shipped with the RoundCube project:
+html2text.php is a modified copy of a file shipped with the RoundCube project:
 
   http://trac.roundcube.net/log/trunk/roundcubemail/program/lib/html2text.php
 
+
+Modifications
+--------------
+
+1- fix for these warnings in cron:
+
+  "html_entity_decode bug - cannot yet handle MBCS in html_entity_decode()!"
+
+by using this code:
+
+  utf8_encode(html_entity_decode($string));
+
+instead of:
+
+  html_entity_decode($string, ENT_COMPAT, 'UTF-8');
+
+(see http://nz.php.net/manual/en/function.html-entity-decode.php#89483)
+
+
  -- Francois Marier <[email protected]>  2009-05-22