+ /**
+ * Return an array of subpages beginning with $search that this special page will accept.
+ *
+ * @param string $search Prefix to search for
+ * @param integer $limit Maximum number of results to return
+ * @return string[] Matching subpages
+ */
+ public function prefixSearchSubpages( $search, $limit = 10 ) {
+ // See also SpecialEditWatchlist::prefixSearchSubpages
+ $subpages = array( 'clear', 'edit', 'raw' );
+ $escaped = preg_quote( $search );
+ return array_slice( preg_grep( "/^$escaped/i", $subpages ), 0, $limit );
+ }
+