Index: includes/EditPage.php
===================================================================
--- includes/EditPage.php	(revision 30352)
+++ includes/EditPage.php	(working copy)
@@ -209,6 +209,7 @@
 		if ( $preload === '' )
 			return '';
 		else {
+			list($preload,$params)=explode('|',$preload,2);
 			$preloadTitle = Title::newFromText( $preload );
 			if ( isset( $preloadTitle ) && $preloadTitle->userCanRead() ) {
 				$rev=Revision::newFromTitle($preloadTitle);
@@ -217,6 +218,14 @@
 					// TODO FIXME: AAAAAAAAAAA, this shouldn't be implementing
 					// its own mini-parser! -ævar
 					$text = preg_replace( '~</?includeonly>~', '', $text );
+					if ($params) {
+						$params=explode('|',$params);
+						$paramIndex=1;
+						foreach ($params as $param) {
+							list($key,$value)=explode('=',$param,2);
+							$text=empty($value)?str_replace('{{{'.$paramIndex++.'}}}',$key,$text):str_replace('{{{'.$key.'}}}',$value,$text);
+						}
+					}
 					return $text;
 				} else
 					return '';