From 114de163d829b16f931b3aa8b384ed9704a54acd Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@users.mediawiki.org>
Date: Wed, 11 Jul 2007 17:45:25 +0000
Subject: [PATCH] Don't spew () when tools group is empty (as on last line
 where there can be no undo link)

---
 includes/PageHistory.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/includes/PageHistory.php b/includes/PageHistory.php
index 7e7c541450..a29492d11d 100644
--- a/includes/PageHistory.php
+++ b/includes/PageHistory.php
@@ -262,7 +262,9 @@ class PageHistory {
 			$tools[] = "<span class=\"mw-history-undo\">{$undolink}</span>";
 		}
 		
-		$s .= ' (' . implode( ' | ', $tools ) . ')';
+		if( $tools ) {
+			$s .= ' (' . implode( ' | ', $tools ) . ')';
+		}
 		
 		wfRunHooks( 'PageHistoryLineEnding', array( &$row , &$s ) );
 		
-- 
2.20.1