From 0a1d40df5fe967f803ad9273c34de1e2670b32e5 Mon Sep 17 00:00:00 2001
From: Guy Van den Broeck <guyvdb@users.mediawiki.org>
Date: Mon, 27 Oct 2008 10:15:24 +0000
Subject: [PATCH] Fixed bug in HTML differ. A bad index was used when
 everything is removed from a page.

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

diff --git a/includes/diff/HTMLDiff.php b/includes/diff/HTMLDiff.php
index cb169aaf9e..0698059f47 100644
--- a/includes/diff/HTMLDiff.php
+++ b/includes/diff/HTMLDiff.php
@@ -323,7 +323,7 @@ class TextNodeDiffer {
 			} else {
 				$prevResult = new LastCommonParentResult();
 				$prevResult->parent = $this->bodyNode;
-				$prevResult->indexInLastCommonParent = 0;
+				$prevResult->indexInLastCommonParent = -1;
 			}
 			if (isset($nextleaf)) {
 				$nextResult = $nextLeaf->getLastCommonParent($deletedNodes[count($deletedNodes) - 1]);
-- 
2.20.1