File: not-default-ns-001.html

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<!doctype html>
<title>Default namespace gets ignored inside non-type selectors for :is() / :not() / :where().</title>
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
<link rel="author" title="Mozilla" href="https://mozilla.org">
<link rel="help" href="https://drafts.csswg.org/selectors-4/#negation">
<!--
  Default namespace declarations do not affect the compound selector
  representing the subject of any selector within a :not() pseudo-class, unless
  that compound selector contains an explicit universal selector or type
  selector.
-->
<link rel="match" href="/css/reference/blank.html">
<style>
@namespace url("http://www.w3.org/2000/svg");

*|div {
  width: 100px;
  height: 100px;
  background: red;
}

/* Type selector, so ns should apply and this should match */
*|*:not(div) {
  display: none;
}
</style>
<div></div>