From afe90f6ffc616b3bf4b3811ce2268ebc0c493eb1 Mon Sep 17 00:00:00 2001
From: Alexandre Emsenhuber <ialex@users.mediawiki.org>
Date: Tue, 28 Jul 2009 20:16:17 +0000
Subject: [PATCH] Per Simetrical's comment on r53832: only trim if there're
 newlines

---
 includes/parser/Parser.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/includes/parser/Parser.php b/includes/parser/Parser.php
index aaf848fec1..ad4d732d31 100644
--- a/includes/parser/Parser.php
+++ b/includes/parser/Parser.php
@@ -1705,7 +1705,7 @@ class Parser
 
 				if ( $ns == NS_CATEGORY ) {
 					wfProfileIn( __METHOD__."-category" );
-					$s = rtrim( $s, "\n" ); # bug 87
+					$s = preg_replace( "/(\s*\n)+\s*$/m", '', $s ); # bug 87
 
 					if ( $wasblank ) {
 						$sortkey = $this->getDefaultSort();
-- 
2.20.1