Index: includes/parser/Parser.php
===================================================================
--- includes/parser/Parser.php	(revision 108079)
+++ includes/parser/Parser.php	(working copy)
@@ -5154,7 +5154,7 @@
 	 * @return array
 	 */
 	function getTags() {
-		return array_merge( array_keys( $this->mTransparentTagHooks ), array_keys( $this->mTagHooks ) );
+		return array_merge( array_keys( $this->mTransparentTagHooks ), array_keys( $this->mTagHooks ), array_keys( $this->mFunctionTagHooks ) );
 	}
 
 	/**