Re: [whatwg/dom] Add caniuse info boxes like the HTML spec (#69)

@annevk Updating won't help, because it's still just a *single* url, while documents can often be reached from multiple urls. (For example, the "latest" version of our EDs can be reached either with their versioned shortname, like `css-foo-3`, or the unversioned `css-foo`. The latter updates over time as we publish new versions.)

@domenic Hm, maybe. Looking over the urls, tho, they're totally inconsistent:

<details>
 <summary>URLs</summary>
 <pre>
"http://asmjs.org/spec/latest/"
"http://dev.w3.org/csswg/css-conditional/#the-css-interface"
"http://dev.w3.org/csswg/css-counter-styles/"
"http://dev.w3.org/csswg/css-font-loading/"
"http://dev.w3.org/csswg/css-fonts/#descdef-unicode-range"
"http://dev.w3.org/csswg/css-images-3/#image-set-notation"
"http://dev.w3.org/csswg/css-images-3/#valdef-image-rendering-crisp-edges"
"http://dev.w3.org/csswg/css-logical-props/"
"http://dev.w3.org/csswg/css-pseudo-4/#placeholder-pseudo"
"http://dev.w3.org/csswg/css-size-adjust/"
"http://dev.w3.org/csswg/css-will-change/"
"http://dev.w3.org/csswg/cssom-view/#dom-window-devicepixelratio"
"http://dev.w3.org/fxtf/filters-2/#BackdropFilterProperty"
"http://developer.apple.com/fonts/TTRefMan/index.html"
"http://http2.github.io/http2-spec/index.html"
"http://http2.github.io/http2-spec/index.html"
"http://ip.hhi.de/imagecom_G1/assets/pdfs/csvt_overview_0305.pdf"
"http://mpgedit.org/mpgedit/mpeg_format/MP3Format.html"
"http://theora.org/doc/"
"http://w3.org/TR/css3-fonts/#font-rend-props"
"http://w3c.github.io/netinfo/"
"http://w3c.github.io/setImmediate/"
"http://w3c.github.io/web-animations/"
"http://w3c.github.io/webappsec/specs/referrer-policy/"
"http://webaudio.github.io/web-midi-api/"
"http://webbluetoothcg.github.io/web-bluetooth/"
"http://webkit.org/blog/176/css-canvas-drawing/"
"http://webkit.org/blog/182/css-reflections/"
"http://wiki.csswg.org/spec/css4-ui#pointer-events"
"http://wiki.ecmascript.org/doku.php?id=harmony:observe"
"http://www-mmsp.ece.mcgill.ca/documents/AudioFormats/WAVE/WAVE.html"
"http://www.digitalpreservation.gov/formats/fdd/fdd000114.shtml"
"http://www.ecma-international.org/ecma-262/5.1/"
"http://www.ecma-international.org/ecma-262/5.1/#sec-14.1"
"http://www.ecma-international.org/ecma-262/5.1/#sec-15.12"
"http://www.ecma-international.org/ecma-262/6.0/#sec-arrow-function-definitions"
"http://www.ecma-international.org/ecma-262/6.0/#sec-function-definitions"
"http://www.ecma-international.org/ecma-262/6.0/#sec-let-and-const-declarations"
"http://www.ecma-international.org/ecma-262/6.0/#sec-let-and-const-declarations"
"http://www.ecma-international.org/ecma-262/6.0/#sec-number-objects"
"http://www.ecma-international.org/ecma-262/6.0/#sec-promise-objects"
"http://www.ecma-international.org/ecma-262/6.0/#sec-proxy-object-internal-methods-and-internal-slots"
"http://www.ecma-international.org/ecma-262/6.0/#sec-typedarray-objects"
"http://www.ecma-international.org/ecma-402/1.0/"
"http://www.itu.int/rec/T-REC-T.800-200208-I"
"http://www.itu.int/rec/T-REC-T.832"
"http://www.w3.org/Submission/EOT/"
"http://www.w3.org/TR/2012/CR-CSP-20121115/"
"http://www.w3.org/TR/ambient-light/"
"http://www.w3.org/TR/battery-status/"
"http://www.w3.org/TR/beacon/"
"http://www.w3.org/TR/clipboard-apis/"
"http://www.w3.org/TR/compositing-1/#blending"
"http://www.w3.org/TR/compositing-1/#mix-blend-mode"
"http://www.w3.org/TR/compositing-1/#propdef-background-blend-mode"
"http://www.w3.org/TR/CSP/"
"http://www.w3.org/TR/css-cascade-3/#all-shorthand"
"http://www.w3.org/TR/css-cascade-3/#inherit-initial"
"http://www.w3.org/TR/css-device-adapt/"
"http://www.w3.org/TR/css-fonts-3/#font-size-adjust-prop"
"http://www.w3.org/TR/css-fonts-3/#font-stretch-prop"
"http://www.w3.org/TR/css-fonts-3/#propdef-font-variant-alternates"
"http://www.w3.org/TR/css-masking-1/"
"http://www.w3.org/TR/css-masking-1/#the-clip-path"
"http://www.w3.org/TR/css-pseudo-4/#selectordef-selection"
"http://www.w3.org/TR/css-shapes/"
"http://www.w3.org/TR/css-snappoints-1/"
"http://www.w3.org/TR/css-text-decor-3/#line-decoration"
"http://www.w3.org/TR/css-text-decor-3/#text-shadow-property"
"http://www.w3.org/TR/css-values/#common-keywords"
"http://www.w3.org/TR/CSS2/page.html#page-breaks"
"http://www.w3.org/TR/CSS2/text.html#propdef-letter-spacing"
"http://www.w3.org/TR/CSS2/ui.html#propdef-outline"
"http://www.w3.org/TR/CSS21/generate.html"
"http://www.w3.org/TR/CSS21/generate.html#counters"
"http://www.w3.org/TR/CSS21/selector.html"
"http://www.w3.org/TR/CSS21/tables.html"
"http://www.w3.org/TR/CSS21/visudet.html#min-max-widths"
"http://www.w3.org/TR/CSS21/visuren.html#fixed-positioning"
"http://www.w3.org/TR/CSS21/visuren.html#fixed-positioning"
"http://www.w3.org/TR/css3-2d-transforms/"
"http://www.w3.org/TR/css3-3d-transforms/"
"http://www.w3.org/TR/css3-animations/"
"http://www.w3.org/TR/css3-background/"
"http://www.w3.org/TR/css3-background/#background-image"
"http://www.w3.org/TR/css3-background/#background-position"
"http://www.w3.org/TR/css3-background/#backgrounds"
"http://www.w3.org/TR/css3-background/#box-shadow"
"http://www.w3.org/TR/css3-background/#the-background-attachment"
"http://www.w3.org/TR/css3-background/#the-border-image"
"http://www.w3.org/TR/css3-background/#the-border-radius"
"http://www.w3.org/TR/css3-break/#break-decoration"
"http://www.w3.org/TR/css3-color/"
"http://www.w3.org/TR/css3-color/"
"http://www.w3.org/TR/css3-color/#currentcolor"
"http://www.w3.org/TR/css3-conditional/#at-supports"
"http://www.w3.org/TR/css3-exclusions/"
"http://www.w3.org/TR/css3-flexbox/"
"http://www.w3.org/TR/css3-fonts/#font-kerning-prop"
"http://www.w3.org/TR/css3-grid-layout/"
"http://www.w3.org/TR/css3-images/"
"http://www.w3.org/TR/css3-images/"
"http://www.w3.org/TR/css3-images/#image-orientation"
"http://www.w3.org/TR/css3-images/#repeating-gradients"
"http://www.w3.org/TR/css3-mediaqueries/"
"http://www.w3.org/TR/css3-mediaqueries/#resolution"
"http://www.w3.org/TR/css3-multicol/"
"http://www.w3.org/TR/css3-regions/"
"http://www.w3.org/TR/css3-selectors/"
"http://www.w3.org/TR/css3-selectors/#first-letter"
"http://www.w3.org/TR/css3-sizing/"
"http://www.w3.org/TR/css3-text/#hyphenation"
"http://www.w3.org/TR/css3-text/#overflow-wrap"
"http://www.w3.org/TR/css3-text/#tab-size"
"http://www.w3.org/TR/css3-text/#text-align-last-property"
"http://www.w3.org/TR/css3-text/#word-break"
"http://www.w3.org/TR/css3-transitions/"
"http://www.w3.org/TR/css3-ui/#box-sizing"
"http://www.w3.org/TR/css3-ui/#cursor"
"http://www.w3.org/TR/css3-ui/#cursor"
"http://www.w3.org/TR/css3-ui/#resize"
"http://www.w3.org/TR/css3-ui/#text-overflow"
"http://www.w3.org/TR/css3-values/#calc"
"http://www.w3.org/TR/css3-values/#font-relative-lengths"
"http://www.w3.org/TR/css3-values/#viewport-relative-lengths"
"http://www.w3.org/TR/css3-webfonts/"
"http://www.w3.org/TR/css4-images/#element-notation"
"http://www.w3.org/TR/cssom-view/#dom-element-getboundingclientrect"
"http://www.w3.org/TR/cssom-view/#dom-window-matchmedia"
"http://www.w3.org/TR/cssom/#dom-window-getcomputedstyle"
"http://www.w3.org/TR/custom-elements/"
"http://www.w3.org/TR/DOM-Parsing/"
"http://www.w3.org/TR/DOM-Parsing/#widl-Element-insertAdjacentHTML-void-DOMString-position-DOMString-text"
"http://www.w3.org/TR/file-system-api/"
"http://www.w3.org/TR/FileAPI/"
"http://www.w3.org/TR/FileAPI/#constructorBlob"
"http://www.w3.org/TR/FileAPI/#dfn-filereader"
"http://www.w3.org/TR/FileAPI/#url"
"http://www.w3.org/TR/filter-effects-1/"
"http://www.w3.org/TR/filter-effects/#FilterCSSImageValue"
"http://www.w3.org/TR/gamepad/"
"http://www.w3.org/TR/geolocation-API/"
"http://www.w3.org/TR/hr-time/"
"http://www.w3.org/TR/html-imports/"
"http://www.w3.org/TR/ime-api/"
"http://www.w3.org/TR/IndexedDB/"
"http://www.w3.org/TR/MathML/"
"http://www.w3.org/TR/media-source/"
"http://www.w3.org/TR/mediacapture-streams/"
"http://www.w3.org/TR/mediaqueries-4/#mf-interaction"
"http://www.w3.org/TR/navigation-timing/"
"http://www.w3.org/TR/orientation-event/"
"http://www.w3.org/TR/page-visibility/"
"http://www.w3.org/TR/PNG/"
"http://www.w3.org/TR/pointerevents/"
"http://www.w3.org/TR/pointerevents/#the-touch-action-css-property"
"http://www.w3.org/TR/proximity/"
"http://www.w3.org/TR/resource-hints/#dfn-prefetch"
"http://www.w3.org/TR/resource-hints/#dns-prefetch"
"http://www.w3.org/TR/resource-hints/#preconnect"
"http://www.w3.org/TR/resource-hints/#prerender"
"http://www.w3.org/TR/resource-timing/"
"http://www.w3.org/TR/screen-orientation/"
"http://www.w3.org/TR/selectors4/#placeholder"
"http://www.w3.org/TR/selectors4/#range-pseudos"
"http://www.w3.org/TR/shadow-dom/"
"http://www.w3.org/TR/SRI/"
"http://www.w3.org/TR/SVG/"
"http://www.w3.org/TR/SVG/animate.html"
"http://www.w3.org/TR/SVG/filters.html"
"http://www.w3.org/TR/SVG/fonts.html"
"http://www.w3.org/TR/SVG/linking.html#SVGFragmentIdentifiers"
"http://www.w3.org/TR/SVG11/extend.html#ForeignObjectElement"
"http://www.w3.org/TR/SVG11/painting.html#TextRenderingProperty"
"http://www.w3.org/TR/touch-events/"
"http://www.w3.org/TR/uievents/#widl-KeyboardEvent-code"
"http://www.w3.org/TR/uievents/#widl-KeyboardEvent-getModifierState"
"http://www.w3.org/TR/uievents/#widl-KeyboardEvent-key"
"http://www.w3.org/TR/uievents/#widl-KeyboardEvent-location"
"http://www.w3.org/TR/upgrade-insecure-requests/"
"http://www.w3.org/TR/user-timing/"
"http://www.w3.org/TR/vibration/"
"http://www.w3.org/TR/wai-aria/"
"http://www.w3.org/TR/WD-font/#font-smooth"
"http://www.w3.org/TR/webaudio/"
"http://www.w3.org/TR/WebCryptoAPI/"
"http://www.w3.org/TR/WebCryptoAPI/#RandomSource-method-getRandomValues"
"http://www.w3.org/TR/webdatabase/"
"http://www.w3.org/TR/WOFF/"
"http://www.w3.org/TR/WOFF2/"
"http://www.w3.org/TR/XHTMLplusSMIL/"
"http://www.webmproject.org/"
"http://www.xiph.org/vorbis/doc/Vorbis_I_spec.html"
"https://compat.spec.whatwg.org/#text-fill-and-stroking"
"https://console.spec.whatwg.org/"
"https://developer.apple.com/library/safari/documentation/AppleApplications/Reference/SafariCSSRef/Articles/StandardCSSProperties.html#//apple_ref/doc/uid/TP30001266-WebKit_SpecificUnsupportedProperties"
"https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollIntoViewIfNeeded"
"https://developers.google.com/speed/webp/"
"https://docs.google.com/viewer?a=v&pid=forums&srcid=MDIwOTgxNDMwMTgyMjkzMTI2ODcBMDQ2MzU5NDU2MDA0MTg5NDE1MTkBTDZmaENoSG9BZ0FKATAuMQEBdjI"
"https://dom.spec.whatwg.org/#dom-addeventlisteneroptions-once"
"https://dom.spec.whatwg.org/#dom-childnode-remove"
"https://dom.spec.whatwg.org/#dom-document-getelementsbyclassname"
"https://dom.spec.whatwg.org/#dom-element-classlist"
"https://dom.spec.whatwg.org/#dom-element-closest"
"https://dom.spec.whatwg.org/#dom-element-insertadjacentelement"
"https://dom.spec.whatwg.org/#dom-element-matches"
"https://dom.spec.whatwg.org/#dom-eventtarget-addeventlistener"
"https://dom.spec.whatwg.org/#dom-eventtarget-dispatchevent"
"https://dom.spec.whatwg.org/#dom-node-textcontent"
"https://dom.spec.whatwg.org/#dom-parentnode-queryselector"
"https://dom.spec.whatwg.org/#interface-childnode"
"https://dom.spec.whatwg.org/#interface-customevent"
"https://dom.spec.whatwg.org/#mutation-observers"
"https://dom.spec.whatwg.org/#ranges"
"https://drafts.csswg.org/css-backgrounds-4/#background-position-longhands"
"https://drafts.csswg.org/css-break-3/#widows-orphans"
"https://drafts.csswg.org/css-containment/#style-containment"
"https://drafts.csswg.org/css-images-3/#cross-fade-function"
"https://drafts.csswg.org/css-page-3/"
"https://drafts.csswg.org/css-position/#sticky-pos"
"https://drafts.csswg.org/css-text-3/#text-justify-property"
"https://drafts.csswg.org/css-text-decor-3/#text-emphasis-property"
"https://drafts.csswg.org/css-ui-4/#appearance-switching"
"https://drafts.csswg.org/css-ui-4/#valdef-user-select-none"
"https://drafts.csswg.org/css-variables/"
"https://drafts.csswg.org/css-writing-modes-3/#block-flow"
"https://drafts.csswg.org/cssom-view/#dom-element-scrollintoview"
"https://drafts.csswg.org/cssom-view/#propdef-scroll-behavior"
"https://drafts.csswg.org/selectors-3/#first-line"
"https://drafts.csswg.org/selectors-4/#attribute-case"
"https://drafts.csswg.org/selectors-4/#descendant-combinators"
"https://drafts.csswg.org/selectors-4/#indeterminate"
"https://drafts.csswg.org/selectors-4/#optional-pseudo"
"https://drafts.csswg.org/selectors-4/#relational"
"https://drafts.csswg.org/selectors-4/#the-default-pseudo"
"https://drafts.csswg.org/selectors-4/#the-focus-within-pseudo"
"https://drafts.csswg.org/selectors/#the-nth-child-pseudo"
"https://drafts.fxtf.org/motion-1/"
"https://dvcs.w3.org/hg/editing/raw-file/tip/editing.html#execcommand()"
"https://dvcs.w3.org/hg/pointerlock/raw-file/default/index.html"
"https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html#speechreco-section"
"https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html#tts-section"
"https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/ResourcePriorities/Overview.html"
"https://encoding.spec.whatwg.org/#api"
"https://fetch.spec.whatwg.org/"
"https://fetch.spec.whatwg.org/#http-cors-protocol"
"https://fidoalliance.org/specs/fido-u2f-v1.0-nfc-bt-amendment-20150514/fido-u2f-javascript-api.html"
"https://fullscreen.spec.whatwg.org/"
"https://github.com/WebAssembly/spec"
"https://html.spec.whatwg.org/#dom-input-indeterminate"
"https://html.spec.whatwg.org/multipage/#dom-document-head"
"https://html.spec.whatwg.org/multipage/browsers.html#browser-state"
"https://html.spec.whatwg.org/multipage/browsers.html#dom-history-pushstate"
"https://html.spec.whatwg.org/multipage/browsers.html#offline"
"https://html.spec.whatwg.org/multipage/browsers.html#the-hashchangeevent-interface"
"https://html.spec.whatwg.org/multipage/comms.html#broadcasting-to-other-browsing-contexts"
"https://html.spec.whatwg.org/multipage/comms.html#channel-messaging"
"https://html.spec.whatwg.org/multipage/comms.html#crossDocumentMessages"
"https://html.spec.whatwg.org/multipage/comms.html#network"
"https://html.spec.whatwg.org/multipage/comms.html#server-sent-events"
"https://html.spec.whatwg.org/multipage/dom.html#dom-document-currentscript"
"https://html.spec.whatwg.org/multipage/dom.html#embedding-custom-non-visible-data-with-the-data-*-attributes"
"https://html.spec.whatwg.org/multipage/dom.html#the-innertext-idl-attribute"
"https://html.spec.whatwg.org/multipage/embedded-content.html"
"https://html.spec.whatwg.org/multipage/embedded-content.html#attr-iframe-sandbox"
"https://html.spec.whatwg.org/multipage/embedded-content.html#attr-iframe-srcdoc"
"https://html.spec.whatwg.org/multipage/embedded-content.html#attr-img-srcset"
"https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist-and-videotracklist-objects"
"https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist-and-videotracklist-objects"
"https://html.spec.whatwg.org/multipage/embedded-content.html#dom-img-naturalwidth"
"https://html.spec.whatwg.org/multipage/embedded-content.html#svg-0"
"https://html.spec.whatwg.org/multipage/embedded-content.html#the-audio-element"
"https://html.spec.whatwg.org/multipage/embedded-content.html#the-picture-element"
"https://html.spec.whatwg.org/multipage/embedded-content.html#the-video-element"
"https://html.spec.whatwg.org/multipage/forms.html#attr-fae-form"
"https://html.spec.whatwg.org/multipage/forms.html#attr-fieldset-disabled"
"https://html.spec.whatwg.org/multipage/forms.html#attr-input-accept"
"https://html.spec.whatwg.org/multipage/forms.html#attr-input-maxlength"
"https://html.spec.whatwg.org/multipage/forms.html#attr-input-multiple"
"https://html.spec.whatwg.org/multipage/forms.html#attr-input-placeholder"
"https://html.spec.whatwg.org/multipage/forms.html#attr-input-readonly"
"https://html.spec.whatwg.org/multipage/forms.html#autofill"
"https://html.spec.whatwg.org/multipage/forms.html#autofocusing-a-form-control:-the-autofocus-attribute"
"https://html.spec.whatwg.org/multipage/forms.html#client-side-form-validation"
"https://html.spec.whatwg.org/multipage/forms.html#color-state-(type=color)"
"https://html.spec.whatwg.org/multipage/forms.html#date-state-(type=date)"
"https://html.spec.whatwg.org/multipage/forms.html#event-input-input"
"https://html.spec.whatwg.org/multipage/forms.html#forms"
"https://html.spec.whatwg.org/multipage/forms.html#input-modalities:-the-inputmode-attribute"
"https://html.spec.whatwg.org/multipage/forms.html#number-state-(type=number)"
"https://html.spec.whatwg.org/multipage/forms.html#range-state-(type=range)"
"https://html.spec.whatwg.org/multipage/forms.html#telephone-state-(type=tel)"
"https://html.spec.whatwg.org/multipage/forms.html#text-(type=text)-state-and-search-state-(type=search)"
"https://html.spec.whatwg.org/multipage/forms.html#the-datalist-element"
"https://html.spec.whatwg.org/multipage/forms.html#the-details-element"
"https://html.spec.whatwg.org/multipage/forms.html#the-dialog-element"
"https://html.spec.whatwg.org/multipage/forms.html#the-maxlength-and-minlength-attributes"
"https://html.spec.whatwg.org/multipage/forms.html#the-menu-element"
"https://html.spec.whatwg.org/multipage/forms.html#the-meter-element"
"https://html.spec.whatwg.org/multipage/forms.html#the-pattern-attribute"
"https://html.spec.whatwg.org/multipage/forms.html#the-progress-element"
"https://html.spec.whatwg.org/multipage/indices.html#event-pageshow"
"https://html.spec.whatwg.org/multipage/interaction.html#attr-tabindex"
"https://html.spec.whatwg.org/multipage/interaction.html#contenteditable"
"https://html.spec.whatwg.org/multipage/interaction.html#dnd"
"https://html.spec.whatwg.org/multipage/interaction.html#spelling-and-grammar-checking"
"https://html.spec.whatwg.org/multipage/interaction.html#the-hidden-attribute"
"https://html.spec.whatwg.org/multipage/scripting.html#attr-script-async"
"https://html.spec.whatwg.org/multipage/scripting.html#attr-script-defer"
"https://html.spec.whatwg.org/multipage/scripting.html#custom-elements"
"https://html.spec.whatwg.org/multipage/scripting.html#drawing-text-to-the-bitmap"
"https://html.spec.whatwg.org/multipage/scripting.html#the-canvas-element"
"https://html.spec.whatwg.org/multipage/scripting.html#the-template-element"
"https://html.spec.whatwg.org/multipage/semantics.html#attr-ol-reversed"
"https://html.spec.whatwg.org/multipage/semantics.html#dom-a-rellist"
"https://html.spec.whatwg.org/multipage/semantics.html#downloading-resources"
"https://html.spec.whatwg.org/multipage/semantics.html#link-type-noopener"
"https://html.spec.whatwg.org/multipage/semantics.html#rel-icon"
"https://html.spec.whatwg.org/multipage/semantics.html#rel-icon"
"https://html.spec.whatwg.org/multipage/semantics.html#sections"
"https://html.spec.whatwg.org/multipage/semantics.html#the-ruby-element"
"https://html.spec.whatwg.org/multipage/semantics.html#the-wbr-element"
"https://html.spec.whatwg.org/multipage/syntax.html#stop-parsing"
"https://html.spec.whatwg.org/multipage/webappapis.html#animation-frames"
"https://html.spec.whatwg.org/multipage/webappapis.html#atob"
"https://html.spec.whatwg.org/multipage/webappapis.html#custom-handlers"
"https://html.spec.whatwg.org/multipage/webstorage.html#storage"
"https://html.spec.whatwg.org/multipage/workers.html"
"https://html.spec.whatwg.org/multipage/workers.html#shared-workers-introduction"
"https://html.spec.whatwg.org/multipage/xhtml.html#parsing-xhtml-documents"
"https://msdn.microsoft.com/en-us/library/ms531189(v=vs.85).aspx"
"https://notifications.spec.whatwg.org/"
"https://slightlyoff.github.io/ServiceWorker/spec/service_worker/"
"https://tabatkins.github.io/specs/css-font-display/"
"https://tools.ietf.org/html/draft-grigorik-http-client-hints"
"https://tools.ietf.org/html/rfc2397"
"https://tools.ietf.org/html/rfc4346"
"https://tools.ietf.org/html/rfc5246"
"https://tools.ietf.org/html/rfc6066"
"https://tools.ietf.org/html/rfc6716"
"https://tools.ietf.org/html/rfc6797"
"https://tools.ietf.org/html/rfc7034"
"https://tools.ietf.org/html/rfc7469"
"https://tools.ietf.org/html/rfc7905"
"https://tools.ietf.org/html/rfc7932"
"https://url.spec.whatwg.org/#urlsearchparams"
"https://w3c.github.io/FileAPI/#FileReaderSync"
"https://w3c.github.io/mediacapture-record/MediaRecorder.html"
"https://w3c.github.io/permissions/"
"https://w3c.github.io/preload/"
"https://w3c.github.io/push-api/"
"https://w3c.github.io/requestidlecallback/"
"https://w3c.github.io/uievents/#widl-KeyboardEvent-charCode"
"https://w3c.github.io/uievents/#widl-KeyboardEvent-which"
"https://w3c.github.io/webrtc-pc/"
"https://w3c.github.io/webvtt/"
"https://webkit.org/blog/363/styling-scrollbars/"
"https://wiki.mozilla.org/APNG_Specification"
"https://www.khronos.org/registry/webgl/specs/1.0/"
"https://www.khronos.org/registry/webgl/specs/latest/2.0/"
"https://www.w3.org/community/ortc/"
"https://www.w3.org/TR/credential-management-1/"
"https://www.w3.org/TR/css-cascade-4/#valdef-all-revert"
"https://www.w3.org/TR/css-values/#attr-notation"
"https://www.w3.org/TR/css3-values/#ch"
"https://www.w3.org/TR/cssom-view-1/#dom-document-elementfrompoint"
"https://www.w3.org/TR/DOM-Level-3-Events/#event-type-focusin"
"https://www.w3.org/TR/html51/document-metadata.html#element-attrdef-style-scoped"
"https://www.w3.org/TR/html51/semantics.html#attr-iframe-seamless"
"https://www.w3.org/TR/payment-request/"
"https://www.w3.org/TR/selection-api/"
"https://www.w3.org/TR/selectors4/#matches"
"https://www.w3.org/TR/selectors4/#negation"
"https://www.w3.org/TR/selectors4/#the-dir-pseudo"
"https://www.w3.org/TR/shadow-dom/"
"https://xhr.spec.whatwg.org/"
 </pre>
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Received on Thursday, 6 October 2016 19:04:00 UTC