From 213a310d097a96ab75c8134b4d1d4728e3897243 Mon Sep 17 00:00:00 2001
From: Tim Starling <tstarling@users.mediawiki.org>
Date: Fri, 15 Aug 2008 15:56:48 +0000
Subject: [PATCH] Avoid notice when no categories are present

---
 maintenance/parserTests.inc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/maintenance/parserTests.inc b/maintenance/parserTests.inc
index ba8349737b..01409c174b 100644
--- a/maintenance/parserTests.inc
+++ b/maintenance/parserTests.inc
@@ -336,7 +336,11 @@ class ParserTest {
 				global $wgOut;
 				$wgOut->addCategoryLinks($output->getCategories());
 				$cats = $wgOut->getCategoryLinks();
-				$out = $this->tidy( implode( ' ', $cats['normal'] ) );
+				if ( isset( $cats['normal'] ) ) {
+					$out = $this->tidy( implode( ' ', $cats['normal'] ) );
+				} else {
+					$out = '';
+				}
 			}
 
 			$result = $this->tidy($result);
-- 
2.20.1