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543703e3d8
Stylesheets for `HTMLLinkElement`s are now loaded by the resource task, triggered by the element in question. Stylesheets are owned by the elements they're associated with, which can be `HTMLStyleElement`, `HTMLLinkElement`, and `HTMLMetaElement` (for `<meta name="viewport">). Additionally, the quirks mode stylesheet (just as the user and user agent stylesheets a couple of commits ago), is implemented as a lazy static, loaded once per process and shared between all documents. This all has various nice consequences: - Stylesheet loading becomes a non-blocking operation. - Stylesheets are removed when the element they're associated with is removed from the document. - It'll be possible to implement the CSSOM APIs that require direct access to the stylesheets (i.e., ~ all of them). - Various subtle correctness issues are fixed. One piece of interesting follow-up work would be to move parsing of external stylesheets to the resource task, too. Right now, it happens in the link element once loading is complete, so blocks the script task. Moving it to the resource task would probably be fairly straight-forward as it doesn't require access to any external state.
247 lines
12 KiB
Rust
247 lines
12 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use dom::bindings::js::Root;
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use dom::document::Document;
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use dom::element::Element;
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use dom::element::ElementCreator;
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use dom::htmlanchorelement::HTMLAnchorElement;
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use dom::htmlappletelement::HTMLAppletElement;
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use dom::htmlareaelement::HTMLAreaElement;
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use dom::htmlaudioelement::HTMLAudioElement;
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use dom::htmlbaseelement::HTMLBaseElement;
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use dom::htmlbodyelement::HTMLBodyElement;
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use dom::htmlbrelement::HTMLBRElement;
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use dom::htmlbuttonelement::HTMLButtonElement;
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use dom::htmlcanvaselement::HTMLCanvasElement;
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use dom::htmldataelement::HTMLDataElement;
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use dom::htmldatalistelement::HTMLDataListElement;
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use dom::htmldialogelement::HTMLDialogElement;
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use dom::htmldirectoryelement::HTMLDirectoryElement;
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use dom::htmldivelement::HTMLDivElement;
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use dom::htmldlistelement::HTMLDListElement;
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use dom::htmlelement::HTMLElement;
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use dom::htmlembedelement::HTMLEmbedElement;
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use dom::htmlfieldsetelement::HTMLFieldSetElement;
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use dom::htmlfontelement::HTMLFontElement;
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use dom::htmlformelement::HTMLFormElement;
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use dom::htmlframeelement::HTMLFrameElement;
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use dom::htmlframesetelement::HTMLFrameSetElement;
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use dom::htmlheadelement::HTMLHeadElement;
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use dom::htmlheadingelement::HTMLHeadingElement;
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use dom::htmlheadingelement::HeadingLevel;
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use dom::htmlhrelement::HTMLHRElement;
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use dom::htmlhtmlelement::HTMLHtmlElement;
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use dom::htmliframeelement::HTMLIFrameElement;
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use dom::htmlimageelement::HTMLImageElement;
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use dom::htmlinputelement::HTMLInputElement;
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use dom::htmllabelelement::HTMLLabelElement;
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use dom::htmllegendelement::HTMLLegendElement;
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use dom::htmllielement::HTMLLIElement;
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use dom::htmllinkelement::HTMLLinkElement;
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use dom::htmlmapelement::HTMLMapElement;
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use dom::htmlmetaelement::HTMLMetaElement;
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use dom::htmlmeterelement::HTMLMeterElement;
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use dom::htmlmodelement::HTMLModElement;
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use dom::htmlobjectelement::HTMLObjectElement;
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use dom::htmlolistelement::HTMLOListElement;
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use dom::htmloptgroupelement::HTMLOptGroupElement;
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use dom::htmloptionelement::HTMLOptionElement;
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use dom::htmloutputelement::HTMLOutputElement;
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use dom::htmlparagraphelement::HTMLParagraphElement;
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use dom::htmlparamelement::HTMLParamElement;
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use dom::htmlpreelement::HTMLPreElement;
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use dom::htmlprogresselement::HTMLProgressElement;
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use dom::htmlquoteelement::HTMLQuoteElement;
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use dom::htmlscriptelement::HTMLScriptElement;
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use dom::htmlselectelement::HTMLSelectElement;
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use dom::htmlsourceelement::HTMLSourceElement;
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use dom::htmlspanelement::HTMLSpanElement;
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use dom::htmlstyleelement::HTMLStyleElement;
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use dom::htmltablecaptionelement::HTMLTableCaptionElement;
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use dom::htmltablecolelement::HTMLTableColElement;
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use dom::htmltabledatacellelement::HTMLTableDataCellElement;
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use dom::htmltableelement::HTMLTableElement;
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use dom::htmltableheadercellelement::HTMLTableHeaderCellElement;
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use dom::htmltablerowelement::HTMLTableRowElement;
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use dom::htmltablesectionelement::HTMLTableSectionElement;
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use dom::htmltemplateelement::HTMLTemplateElement;
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use dom::htmltextareaelement::HTMLTextAreaElement;
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use dom::htmltimeelement::HTMLTimeElement;
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use dom::htmltitleelement::HTMLTitleElement;
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use dom::htmltrackelement::HTMLTrackElement;
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use dom::htmlulistelement::HTMLUListElement;
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use dom::htmlunknownelement::HTMLUnknownElement;
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use dom::htmlvideoelement::HTMLVideoElement;
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use std::borrow::ToOwned;
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use string_cache::{Atom, QualName};
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use util::str::DOMString;
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pub fn create_element(name: QualName, prefix: Option<Atom>,
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document: &Document, creator: ElementCreator)
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-> Root<Element> {
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let prefix = prefix.map(|p| DOMString((*p).to_owned()));
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if name.ns != ns!(HTML) {
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return Element::new(DOMString((*name.local).to_owned()), name.ns, prefix, document);
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}
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macro_rules! make(
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($ctor:ident) => ({
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let obj = $ctor::new(DOMString((*name.local).to_owned()), prefix, document);
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Root::upcast(obj)
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});
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($ctor:ident, $($arg:expr),+) => ({
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let obj = $ctor::new(DOMString((*name.local).to_owned()), prefix, document, $($arg),+);
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Root::upcast(obj)
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})
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);
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// This is a big match, and the IDs for inline-interned atoms are not very structured.
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// Perhaps we should build a perfect hash from those IDs instead.
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match name.local {
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atom!("a") => make!(HTMLAnchorElement),
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atom!("abbr") => make!(HTMLElement),
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atom!("acronym") => make!(HTMLElement),
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atom!("address") => make!(HTMLElement),
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atom!("applet") => make!(HTMLAppletElement),
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atom!("area") => make!(HTMLAreaElement),
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atom!("article") => make!(HTMLElement),
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atom!("aside") => make!(HTMLElement),
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atom!("audio") => make!(HTMLAudioElement),
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atom!("b") => make!(HTMLElement),
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atom!("base") => make!(HTMLBaseElement),
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atom!("bdi") => make!(HTMLElement),
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atom!("bdo") => make!(HTMLElement),
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// https://html.spec.whatwg.org/multipage/#other-elements,-attributes-and-apis:bgsound
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atom!("bgsound") => make!(HTMLUnknownElement),
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atom!("big") => make!(HTMLElement),
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// https://html.spec.whatwg.org/multipage/#other-elements,-attributes-and-apis:blink
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atom!("blink") => make!(HTMLUnknownElement),
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// https://html.spec.whatwg.org/multipage/#the-blockquote-element
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atom!("blockquote") => make!(HTMLQuoteElement),
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atom!("body") => make!(HTMLBodyElement),
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atom!("br") => make!(HTMLBRElement),
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atom!("button") => make!(HTMLButtonElement),
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atom!("canvas") => make!(HTMLCanvasElement),
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atom!("caption") => make!(HTMLTableCaptionElement),
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atom!("center") => make!(HTMLElement),
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atom!("cite") => make!(HTMLElement),
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atom!("code") => make!(HTMLElement),
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atom!("col") => make!(HTMLTableColElement),
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atom!("colgroup") => make!(HTMLTableColElement),
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atom!("data") => make!(HTMLDataElement),
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atom!("datalist") => make!(HTMLDataListElement),
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atom!("dd") => make!(HTMLElement),
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atom!("del") => make!(HTMLModElement),
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atom!("details") => make!(HTMLElement),
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atom!("dfn") => make!(HTMLElement),
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atom!("dialog") => make!(HTMLDialogElement),
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atom!("dir") => make!(HTMLDirectoryElement),
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atom!("div") => make!(HTMLDivElement),
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atom!("dl") => make!(HTMLDListElement),
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atom!("dt") => make!(HTMLElement),
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atom!("em") => make!(HTMLElement),
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atom!("embed") => make!(HTMLEmbedElement),
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atom!("fieldset") => make!(HTMLFieldSetElement),
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atom!("figcaption") => make!(HTMLElement),
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atom!("figure") => make!(HTMLElement),
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atom!("font") => make!(HTMLFontElement),
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atom!("footer") => make!(HTMLElement),
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atom!("form") => make!(HTMLFormElement),
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atom!("frame") => make!(HTMLFrameElement),
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atom!("frameset") => make!(HTMLFrameSetElement),
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atom!("h1") => make!(HTMLHeadingElement, HeadingLevel::Heading1),
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atom!("h2") => make!(HTMLHeadingElement, HeadingLevel::Heading2),
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atom!("h3") => make!(HTMLHeadingElement, HeadingLevel::Heading3),
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atom!("h4") => make!(HTMLHeadingElement, HeadingLevel::Heading4),
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atom!("h5") => make!(HTMLHeadingElement, HeadingLevel::Heading5),
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atom!("h6") => make!(HTMLHeadingElement, HeadingLevel::Heading6),
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atom!("head") => make!(HTMLHeadElement),
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atom!("header") => make!(HTMLElement),
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atom!("hgroup") => make!(HTMLElement),
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atom!("hr") => make!(HTMLHRElement),
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atom!("html") => make!(HTMLHtmlElement),
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atom!("i") => make!(HTMLElement),
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atom!("iframe") => make!(HTMLIFrameElement),
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atom!("img") => make!(HTMLImageElement),
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atom!("input") => make!(HTMLInputElement),
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atom!("ins") => make!(HTMLModElement),
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// https://html.spec.whatwg.org/multipage/#other-elements,-attributes-and-apis:isindex-2
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atom!("isindex") => make!(HTMLUnknownElement),
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atom!("kbd") => make!(HTMLElement),
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atom!("label") => make!(HTMLLabelElement),
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atom!("legend") => make!(HTMLLegendElement),
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atom!("li") => make!(HTMLLIElement),
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atom!("link") => make!(HTMLLinkElement, creator),
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// https://html.spec.whatwg.org/multipage/#other-elements,-attributes-and-apis:listing
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atom!("listing") => make!(HTMLPreElement),
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atom!("main") => make!(HTMLElement),
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atom!("map") => make!(HTMLMapElement),
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atom!("mark") => make!(HTMLElement),
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atom!("marquee") => make!(HTMLElement),
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atom!("meta") => make!(HTMLMetaElement),
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atom!("meter") => make!(HTMLMeterElement),
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// https://html.spec.whatwg.org/multipage/#other-elements,-attributes-and-apis:multicol
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atom!("multicol") => make!(HTMLUnknownElement),
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atom!("nav") => make!(HTMLElement),
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// https://html.spec.whatwg.org/multipage/#other-elements,-attributes-and-apis:nextid
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atom!("nextid") => make!(HTMLUnknownElement),
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atom!("nobr") => make!(HTMLElement),
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atom!("noframes") => make!(HTMLElement),
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atom!("noscript") => make!(HTMLElement),
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atom!("object") => make!(HTMLObjectElement),
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atom!("ol") => make!(HTMLOListElement),
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atom!("optgroup") => make!(HTMLOptGroupElement),
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atom!("option") => make!(HTMLOptionElement),
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atom!("output") => make!(HTMLOutputElement),
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atom!("p") => make!(HTMLParagraphElement),
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atom!("param") => make!(HTMLParamElement),
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atom!("plaintext") => make!(HTMLPreElement),
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atom!("pre") => make!(HTMLPreElement),
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atom!("progress") => make!(HTMLProgressElement),
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atom!("q") => make!(HTMLQuoteElement),
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atom!("rp") => make!(HTMLElement),
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atom!("rt") => make!(HTMLElement),
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atom!("ruby") => make!(HTMLElement),
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atom!("s") => make!(HTMLElement),
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atom!("samp") => make!(HTMLElement),
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atom!("script") => make!(HTMLScriptElement, creator),
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atom!("section") => make!(HTMLElement),
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atom!("select") => make!(HTMLSelectElement),
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atom!("small") => make!(HTMLElement),
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atom!("source") => make!(HTMLSourceElement),
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// https://html.spec.whatwg.org/multipage/#other-elements,-attributes-and-apis:spacer
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atom!("spacer") => make!(HTMLUnknownElement),
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atom!("span") => make!(HTMLSpanElement),
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atom!("strike") => make!(HTMLElement),
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atom!("strong") => make!(HTMLElement),
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atom!("style") => make!(HTMLStyleElement),
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atom!("sub") => make!(HTMLElement),
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atom!("summary") => make!(HTMLElement),
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atom!("sup") => make!(HTMLElement),
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atom!("table") => make!(HTMLTableElement),
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atom!("tbody") => make!(HTMLTableSectionElement),
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atom!("td") => make!(HTMLTableDataCellElement),
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atom!("template") => make!(HTMLTemplateElement),
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atom!("textarea") => make!(HTMLTextAreaElement),
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// https://html.spec.whatwg.org/multipage/#the-tfoot-element:concept-element-dom
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atom!("tfoot") => make!(HTMLTableSectionElement),
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atom!("th") => make!(HTMLTableHeaderCellElement),
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// https://html.spec.whatwg.org/multipage/#the-thead-element:concept-element-dom
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atom!("thead") => make!(HTMLTableSectionElement),
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atom!("time") => make!(HTMLTimeElement),
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atom!("title") => make!(HTMLTitleElement),
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atom!("tr") => make!(HTMLTableRowElement),
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atom!("tt") => make!(HTMLElement),
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atom!("track") => make!(HTMLTrackElement),
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atom!("u") => make!(HTMLElement),
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atom!("ul") => make!(HTMLUListElement),
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atom!("var") => make!(HTMLElement),
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atom!("video") => make!(HTMLVideoElement),
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atom!("wbr") => make!(HTMLElement),
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atom!("xmp") => make!(HTMLPreElement),
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_ => make!(HTMLUnknownElement),
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}
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}
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