LibWeb: Don't treat "--" as a valid custom property name

This is reserved for future use by CSS.
This commit is contained in:
Tim Ledbetter
2025-06-25 11:43:14 +01:00
committed by Sam Atkins
parent 38765fd617
commit bf37f3400e
Notes: github-actions[bot] 2025-06-25 16:10:47 +00:00
3 changed files with 28 additions and 1 deletions

View File

@@ -0,0 +1,13 @@
<!doctype html>
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/2692">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1467309">
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
<link rel="author" title="Mozilla" href="https://mozilla.org">
<title>-- is a reserved property name</title>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script>
test(function() {
assert_false(CSS.supports("--", "initial"), "-- is a reserved property name");
});
</script>