[1.2.0] Implement primitive email regexp to be used for mailto. There are many spotty implementation issues, so this code is not actually called anywhere else currently.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@517 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier/AttrDef/Email.php

@@ -0,0 +1,17 @@
+<?php
+
+require_once 'HTMLPurifier/AttrDef.php';
+
+class HTMLPurifier_AttrDef_Email extends HTMLPurifier_AttrDef
+{
+    
+    /**
+     * Unpacks a mailbox into its display-name and address
+     */
+    function unpack($string) {
+        // needs to be implemented
+    }
+    
+}
+
+?>