$wgTitle = Title::newFromText( wfMsg( "badtitle" ) );
$wgOut->errorpage( "badtitle", "badtitletext" );
}
-} else if ( ( $action == "view" ) && $wgTitle->getPrefixedDBKey() != $title ) {
+} else if ( ( $action == "view" ) && $wgTitle->getPrefixedDBKey() != $title &&
+ !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
+{
/* redirect to canonical url, make it a 301 to allow caching */
$wgOut->redirect( $wgTitle->getFullURL(), '301');
} else if ( Namespace::getSpecial() == $wgTitle->getNamespace() ) {