css/css-variables/variable-reference-23.html

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<!DOCTYPE html>
<title>CSS Test: Test declaring a non-custom property that contains a reference to a variable whose name is U+FFFD but which was declared using a lone surrogate.</title>
<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au">
<link rel="help" href="http://www.w3.org/TR/css-variables-1/#using-variables">
<link rel="match" href="support/color-green-ref.html">
<style>
p {
  color: red;
  --\d800: green;
  color: var(--\fffd);
}
</style>
<p>This text must be green.</p>