}
/**
- * @param int $namespace Default NS_MAIN
+ * @param int $namespace
* @param string $prefix
- * @param string $from List all pages from this name (default false)
+ * @param string|null $from List all pages from this name (default false)
*/
- protected function showPrefixChunk( $namespace = NS_MAIN, $prefix, $from = null ) {
+ protected function showPrefixChunk( $namespace, $prefix, $from = null ) {
global $wgContLang;
if ( $from === null ) {