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Test Info: Errors

<!DOCTYPE HTML>
<html class="reftest-wait">
<head>
<script type="text/javascript">
function load()
{
let textarea = document.getElementById("editor");
textarea.focus();
const { maybeOnSpellCheck } = SpecialPowers.ChromeUtils.importESModule(
);
maybeOnSpellCheck(textarea, () => {
let isc = SpecialPowers.wrap(textarea).editor.getInlineSpellChecker(false);
let sc = isc.spellChecker;
textarea.setAttribute("lang", "en-US");
sc.UpdateCurrentDictionary(() => {
document.documentElement.classList.remove("reftest-wait");
});
sc.UninitSpellChecker();
});
}
</script>
</head>
<body onload="load()">
<textarea id="editor" spellchecker="true">ABC</textarea>
</body>
</html>