From 664e5553475265f6ab4d1ccc8ea1aa9efe38675f Mon Sep 17 00:00:00 2001
From: iska <iska.gp@gmail.com>
Date: Sun, 5 Apr 2015 13:31:59 +0200
Subject: [PATCH] Add index-bounds-check to the list of active formatting
 elements when inserting at index

In some cases the bookmark-index in the adoption-agency-algorithm lies outside the lists bounds, in this
case the new elements is to be inserted at the end of the list.
---
 HTMLKit/HTMLListOfActiveFormattingElements.m | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/HTMLKit/HTMLListOfActiveFormattingElements.m b/HTMLKit/HTMLListOfActiveFormattingElements.m
index 3088ce2..9ac1710 100644
--- a/HTMLKit/HTMLListOfActiveFormattingElements.m
+++ b/HTMLKit/HTMLListOfActiveFormattingElements.m
@@ -75,6 +75,9 @@
 
 - (void)insertElement:(HTMLElement *)element atIndex:(NSUInteger)index
 {
+	if (index > _list.count) {
+		index = _list.count;
+	}
 	[_list insertObject:element atIndex:index];
 }