--- /dev/null
+<?php
+
+abstract class HTMLPurifier_AttrDef_URI_Email extends HTMLPurifier_AttrDef
+{
+
+ /**
+ * Unpacks a mailbox into its display-name and address
+ * @param string $string
+ * @return mixed
+ */
+ public function unpack($string)
+ {
+ // needs to be implemented
+ }
+
+}
+
+// sub-implementations
+
+// vim: et sw=4 sts=4