Fix parse_attrib_string to handle unquoted attribute values

CHANGELOG

@@ -1,6 +1,11 @@
 CHANGELOG RoundCube Webmail
 ---------------------------
 
+2008/04/20 (estadtherr)
+----------
+- fix parse_attrib_string to handle unquoted values, which fixes
+  display issues with HTML messages that do not quote attributes
+
 2008/04/17 (alec)
 ----------
 - Fix IMAP response in message body when message has no body (#1484964)

program/include/main.inc

@@ -391,7 +391,7 @@ function get_table_name($table)
 
 /**
  * Return correct name for a specific database sequence
- * (used for Postres only)
+ * (used for Postgres only)
  *
  * @param string Secuence name
  * @return string Translated sequence name
@@ -1483,12 +1483,14 @@ function create_attrib_string($attrib, $allowed_attribs=array('id', 'class', 'st
 function parse_attrib_string($str)
   {
   $attrib = array();
-  preg_match_all('/\s*([-_a-z]+)=(["\'])([^"]+)\2/Ui', stripslashes($str), $regs, PREG_SET_ORDER);
+  preg_match_all('/\s*([-_a-z]+)=(["\'])??(?(2)([^"\']+)\2|(\S+?))/Ui', stripslashes($str), $regs, PREG_SET_ORDER);
 
   // convert attributes to an associative array (name => value)
   if ($regs)
     foreach ($regs as $attr)
-      $attrib[strtolower($attr[1])] = $attr[3];
+      {
+      $attrib[strtolower($attr[1])] = $attr[3] . $attr[4];
+      }
 
   return $attrib;
   }
@@ -1633,8 +1635,8 @@ function console($msg)
  * Append a line to a logfile in the logs directory.
  * Date will be added automatically to the line.
  *
- * @param $name Name of logfile
- * @param $line Line to append
+ * @param $name name of log file
+ * @param line Line to append
  */
 function write_log($name, $line)
   {