LibWeb/CSS: Use case insensitive tag and attribute name in ancestor hash

Fixes #4793.
Author: https://github.com/veeti 🔰 Commit: 7c4fd9f624 Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4800 Reviewed-by: https://github.com/kalenikaliaksandr ✅
2025-07-28 11:49:44 +00:00 · 2025-05-18 07:27:01 +03:00 · 2025-05-18 07:27:01 +03:00 · 7c4fd9f624 · 2025-05-21 12:55:41 +00:00
commit 7c4fd9f624
parent 579730d861
6 changed files with 18 additions and 5 deletions
--- a/Tests/LibWeb/Ref/expected/css-case-insensitive-html-attributes-selector-ref.html
+++ b/Tests/LibWeb/Ref/expected/css-case-insensitive-html-attributes-selector-ref.html
@ -3,6 +3,10 @@
    div[type=one] {
        background: red;
    }
+    div[type=three] {
+        background: blue;
+    }
 </style>
 <div type="one">I have a red background</div>
 <div type="two">I don't have a green background</div>
+<div type="three">I have a blue background</div>