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LibWeb: Run the object representation task when the active state changes
Currently, the following JS snippet will hang indefinitely:
new DOMParser().parseFromString("<object>", "text/html");
Because the document into which the object is inserted is not active. So
the task queued to run the representation steps will never run.
This patch implements the spec steps to rerun the representation steps
when the active state changes, and avoid the hang when the object is
created in an inactive document.
This commit is contained in:
Timothy Flynn
Andrew Kaster
parent
a2419b5f4e
commit
68164aa7ec
Notes:
github-actions[bot]
2024-12-12 00:39:30 +00:00
Author: https://github.com/trflynn89
Commit: 68164aa7ec
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2881
Reviewed-by: https://github.com/ADKaster ✅
5 changed files with 681 additions and 0 deletions
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<!DOCTYPE html>
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<meta charset="utf-8">
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<title>Test of interfaces</title>
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<link rel="author" title="Ms2ger" href="mailto:Ms2ger@gmail.com">
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<link rel="help" href="https://html.spec.whatwg.org/multipage/">
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<link rel="help" href="https://webidl.spec.whatwg.org/#host-objects">
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<link rel="help" href="http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262.pdf#page=96">
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<script src="../../resources/testharness.js"></script>
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<script src="../../resources/testharnessreport.js"></script>
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<script src=interfaces.js></script>
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<div id="log"></div>
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<script>
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function do_test(local_name, iface, variant) {
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test(function() {
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var e;
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var i = "HTML" + iface + "Element";
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if (variant === "useNS") {
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// Use createElementNS here to preserve the case of local_name.
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e = document.createElementNS("http://www.w3.org/1999/xhtml", local_name);
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} else if (variant === "useParser") {
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e = new DOMParser().parseFromString("<" + local_name + ">", "text/html").querySelector(local_name);
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} else {
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e = document.createElement(local_name);
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}
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assert_class_string(e, i,
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"Element " + local_name + " should have " + i +
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" as its primary interface.");
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assert_true(e instanceof window[i],
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"Element " + local_name + " should implement " + i + ".");
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assert_true(e instanceof HTMLElement,
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"Element " + local_name + " should implement HTMLElement.");
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assert_true(e instanceof Element,
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"Element " + local_name + " should implement Element.");
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assert_true(e instanceof Node,
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"Element " + local_name + " should implement Node.");
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}, "Interfaces for " + local_name + ": " + variant);
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}
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// Some elements have weird parser behavior / insertion modes and would be
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// skipped by the parser, so skip those.
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function should_do_parser_test(local_name) {
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return ![
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"foo-BAR",
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"tbody",
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"td",
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"tfoot",
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"th",
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"thead",
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"tr",
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"å-bar",
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"caption",
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"col",
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"colgroup",
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"frame",
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"image",
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"frameset",
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].includes(local_name)
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}
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elements.forEach(function(a) {
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do_test(a[0], a[1], "useNS");
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if (should_do_parser_test(a[0])) {
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do_test(a[0], a[1], "useParser");
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}
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// Only run the createElement variant if the input is all-lowercase, because createElement
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// case-folds to lowercase. Custom elements are required to use all-lowercase to implement
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// HTMLElement, otherwise they use HTMLUnknownElement per spec. Example: "foo-BAR".
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if (a[0] === a[0].toLowerCase()) {
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do_test(a[0].toUpperCase(), a[1], "createElement");
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}
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})
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</script>
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150
Tests/LibWeb/Text/input/wpt-import/html/semantics/interfaces.js
Normal file
150
Tests/LibWeb/Text/input/wpt-import/html/semantics/interfaces.js
Normal file
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@ -0,0 +1,150 @@
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var elements = [
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["a", "Anchor"],
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["abbr", ""],
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["acronym", ""],
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["address", ""],
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["applet", "Unknown"],
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["area", "Area"],
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["article", ""],
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["aside", ""],
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["audio", "Audio"],
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["b", ""],
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["base", "Base"],
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["basefont", ""],
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["bdi", ""],
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["bdo", ""],
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["bgsound", "Unknown"],
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["big", ""],
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["blink", "Unknown"],
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["blockquote", "Quote"],
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["body", "Body"],
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["br", "BR"],
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["button", "Button"],
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["canvas", "Canvas"],
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["caption", "TableCaption"],
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["center", ""],
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["cite", ""],
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["code", ""],
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["col", "TableCol"],
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["colgroup", "TableCol"],
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["command", "Unknown"],
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["data", "Data"],
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["datalist", "DataList"],
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["dd", ""],
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["del", "Mod"],
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["details", "Details"],
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["dfn", ""],
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["dialog", "Dialog"],
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["dir", "Directory"],
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["directory", "Unknown"],
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["div", "Div"],
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["dl", "DList"],
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["dt", ""],
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["em", ""],
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["embed", "Embed"],
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["fieldset", "FieldSet"],
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["figcaption", ""],
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["figure", ""],
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["font", "Font"],
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["foo-BAR", "Unknown"], // not a valid custom element name
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["foo-bar", ""], // valid custom element name
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["foo", "Unknown"],
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["footer", ""],
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["form", "Form"],
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["frame", "Frame"],
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["frameset", "FrameSet"],
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["h1", "Heading"],
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["h2", "Heading"],
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["h3", "Heading"],
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["h4", "Heading"],
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["h5", "Heading"],
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["h6", "Heading"],
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["head", "Head"],
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["header", ""],
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["hgroup", ""],
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["hr", "HR"],
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["html", "Html"],
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["i", ""],
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["iframe", "IFrame"],
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["image", "Unknown"],
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["img", "Image"],
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["input", "Input"],
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["ins", "Mod"],
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["isindex", "Unknown"],
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["kbd", ""],
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["keygen", "Unknown"],
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["label", "Label"],
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["legend", "Legend"],
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["li", "LI"],
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["link", "Link"],
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["listing", "Pre"],
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["main", ""],
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["map", "Map"],
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["mark", ""],
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["marquee", "Marquee"],
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["menu", "Menu"],
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["meta", "Meta"],
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["meter", "Meter"],
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["mod", "Unknown"],
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["multicol", "Unknown"],
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["nav", ""],
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["nextid", "Unknown"],
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["nobr", ""],
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["noembed", ""],
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["noframes", ""],
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["noscript", ""],
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["object", "Object"],
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["ol", "OList"],
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["optgroup", "OptGroup"],
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["option", "Option"],
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["output", "Output"],
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["p", "Paragraph"],
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["param", "Param"],
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["permission", "Permission"],
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["picture", "Picture"],
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["plaintext", ""],
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["pre", "Pre"],
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["progress", "Progress"],
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["q", "Quote"],
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["quasit", "Unknown"],
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["rb", ""],
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["rp", ""],
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["rt", ""],
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["rtc", ""],
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["ruby", ""],
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["s", ""],
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["samp", ""],
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["script", "Script"],
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["section", ""],
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["select", "Select"],
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["slot", "Slot"],
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["small", ""],
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["source", "Source"],
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["spacer", "Unknown"],
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["span", "Span"],
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["strike", ""],
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["strong", ""],
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["style", "Style"],
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["sub", ""],
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["summary", ""],
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["sup", ""],
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["table", "Table"],
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["tbody", "TableSection"],
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["td", "TableCell"],
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["textarea", "TextArea"],
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["tfoot", "TableSection"],
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["th", "TableCell"],
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["thead", "TableSection"],
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["time", "Time"],
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["title", "Title"],
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["tr", "TableRow"],
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["track", "Track"],
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["tt", ""],
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["u", ""],
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["ul", "UList"],
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["var", ""],
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["video", "Video"],
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["wbr", ""],
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["xmp", "Pre"],
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["\u00E5-bar", "Unknown"], // not a valid custom element name
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];
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