From c515e20e75e6e10991fd2acc3b96f9f5089b3a35 Mon Sep 17 00:00:00 2001
From: Jonathan Magnan <info@zzzprojects.com>
Date: Fri, 4 Feb 2022 09:42:52 -0500
Subject: [PATCH] Update source

---
 .../HtmlAttributeCollection.cs                      | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/HtmlAgilityPack.Shared/HtmlAttributeCollection.cs b/src/HtmlAgilityPack.Shared/HtmlAttributeCollection.cs
index 23eadea5..410fdc65 100644
--- a/src/HtmlAgilityPack.Shared/HtmlAttributeCollection.cs
+++ b/src/HtmlAgilityPack.Shared/HtmlAttributeCollection.cs
@@ -230,7 +230,18 @@ public void Insert(int index, HtmlAttribute item)
         /// <returns></returns>
         bool ICollection<HtmlAttribute>.Remove(HtmlAttribute item)
         {
-            Remove(item);
+            if (item == null)
+            {
+                return false;
+            }
+
+            int index = GetAttributeIndex(item);
+            if (index == -1)
+            {
+                return false;
+            }
+
+            RemoveAt(index);
             return true;
         }