<!doctype html>
<title>Filter primitive (feConvolveMatrix) with filter reference</title>
<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#FilterProperty">
<link rel="help" href="https://drafts.fxtf.org/filter-effects-1/#feConvolveMatrixElement">
<link rel="match" href="reference/feconvolve-region-ref.html">
<meta name="fuzzy" content="0-38;0-30004" />
<style>
  body { background-color: lightgreen; }
</style>
<svg xmlns="http://www.w3.org/2000/svg"
     width="800" height="250">
  <defs>
    