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chromium
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chromium/third_party/blink/web_tests/fast/css/local_font_invalid.html 

<html>
<script>
    if (window.testRunner)
        testRunner.dumpAsText();
</script>
    <body>
        <h1 id=1 style="src: local(2097153)" />
        PASS
    </body>
</html>