testing/web-platform/tests/conformance-checkers/html/elements/button/formaction/host-u0000-percent-encoded-percent-encoded-novalid.html


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<!DOCTYPE html>
<meta charset=utf-8>
<title>invalid formaction: host-u0000-percent-encoded-percent-encoded</title>
<button formaction="http://%ef%bc%85%ef%bc%90%ef%bc%90.com"></button>