Mention that initial about:blank also results in quirks

Fixes #272.

dom.bs

@@ -4579,14 +4579,14 @@ is "<code>quirks</code>", and
 <a for=Document>mode</a> is "<code>limited-quirks</code>".
 
 <div class="note no-backref">
- <p>The mode is only ever changed from the default if the <a>document</a> is created by
- the <a>HTML parser</a>, based on the presence, absence, or value of the DOCTYPE string.
- [[!HTML]]
-
- <p><a>No-quirks mode</a> was originally known as "standards mode"
- and <a>limited-quirks mode</a> was once known as "almost standards mode". They have been
- renamed because their details are now defined by standards. (And because Ian Hickson
- vetoed their original names on the basis that they are nonsensical.)
+ <p>The <a for=Document>mode</a> is only ever changed from the default for <a>documents</a> created
+ by the <a>HTML parser</a> based on the presence, absence, or value of the DOCTYPE string, and by a
+ new <a spec=html>browsing context</a> (initial "<code>about:blank</code>"). [[!HTML]]
+
+ <p><a>No-quirks mode</a> was originally known as "standards mode" and <a>limited-quirks mode</a>
+ was once known as "almost standards mode". They have been renamed because their details are now
+ defined by standards. (And because Ian Hickson vetoed their original names on the basis that they
+ are nonsensical.)
 </div>
 
 <p>A <a>document</a>'s <a>get the parent</a> algorithm, given an <var>event</var>, returns

dom.html

@@ -71,7 +71,7 @@
    <p data-fill-with="logo"><a class="logo" href="https://whatwg.org/"> <img alt="WHATWG" height="100" src="https://resources.whatwg.org/logo-dom.svg"> </a> </p>
    <hgroup>
     <h1 class="p-name no-ref allcaps" id="title">DOM</h1>
-    <h2 class="no-num no-toc no-ref heading settled" id="subtitle"><span class="content">Living Standard — Last Updated <time class="dt-updated" datetime="2016-06-16">16 June 2016</time></span></h2>
+    <h2 class="no-num no-toc no-ref heading settled" id="subtitle"><span class="content">Living Standard — Last Updated <time class="dt-updated" datetime="2016-07-05">5 July 2016</time></span></h2>
    </hgroup>
    <div data-fill-with="spec-metadata">
     <dl>
@@ -2667,12 +2667,12 @@ <h3 class="heading settled" data-level="4.5" id="interface-document"><span class
    <p>A <a data-link-type="dfn" href="#concept-document">document</a> is said to be an <dfn data-dfn-type="dfn" data-export="" id="xml-document">XML document<a class="self-link" href="#xml-document"></a></dfn> if its <a data-link-type="dfn" href="#concept-document-type">type</a> is "<code>xml</code>", and an <dfn data-dfn-type="dfn" data-export="" id="html-document">HTML document<a class="self-link" href="#html-document"></a></dfn> otherwise. Whether a <a data-link-type="dfn" href="#concept-document">document</a> is an <a data-link-type="dfn" href="#html-document">HTML document</a> or an <a data-link-type="dfn" href="#xml-document">XML document</a> affects the behavior of certain APIs.</p>
    <p>A <a data-link-type="dfn" href="#concept-document">document</a> is said to be in <dfn data-dfn-type="dfn" data-export="" id="concept-document-no-quirks">no-quirks mode<a class="self-link" href="#concept-document-no-quirks"></a></dfn> if its <a data-link-type="dfn" href="#concept-document-mode">mode</a> is "<code>no-quirks</code>", <dfn data-dfn-type="dfn" data-export="" id="concept-document-quirks">quirks mode<a class="self-link" href="#concept-document-quirks"></a></dfn> if its <a data-link-type="dfn" href="#concept-document-mode">mode</a> is "<code>quirks</code>", and <dfn data-dfn-type="dfn" data-export="" id="concept-document-limited-quirks">limited-quirks mode<a class="self-link" href="#concept-document-limited-quirks"></a></dfn> if its <a data-link-type="dfn" href="#concept-document-mode">mode</a> is "<code>limited-quirks</code>".</p>
    <div class="note no-backref" role="note">
-    <p>The mode is only ever changed from the default if the <a data-link-type="dfn" href="#concept-document">document</a> is created by
- the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/syntax.html#html-parser">HTML parser</a>, based on the presence, absence, or value of the DOCTYPE string. <a data-link-type="biblio" href="#biblio-html">[HTML]</a> </p>
-    <p><a data-link-type="dfn" href="#concept-document-no-quirks">No-quirks mode</a> was originally known as "standards mode"
- and <a data-link-type="dfn" href="#concept-document-limited-quirks">limited-quirks mode</a> was once known as "almost standards mode". They have been
- renamed because their details are now defined by standards. (And because Ian Hickson
- vetoed their original names on the basis that they are nonsensical.) </p>
+    <p>The <a data-link-type="dfn" href="#concept-document-mode">mode</a> is only ever changed from the default for <a data-link-type="dfn" href="#concept-document">documents</a> created
+ by the <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/syntax.html#html-parser">HTML parser</a> based on the presence, absence, or value of the DOCTYPE string, and by a
+ new <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#browsing-context">browsing context</a> (initial "<code>about:blank</code>"). <a data-link-type="biblio" href="#biblio-html">[HTML]</a> </p>
+    <p><a data-link-type="dfn" href="#concept-document-no-quirks">No-quirks mode</a> was originally known as "standards mode" and <a data-link-type="dfn" href="#concept-document-limited-quirks">limited-quirks mode</a> was once known as "almost standards mode". They have been renamed because their details are now
+ defined by standards. (And because Ian Hickson vetoed their original names on the basis that they
+ are nonsensical.) </p>
    </div>
    <p>A <a data-link-type="dfn" href="#concept-document">document</a>’s <a data-link-type="dfn" href="#get-the-parent">get the parent</a> algorithm, given an <var>event</var>, returns
 null if <var>event</var>’s <code for="Event">type</code> attribute value is "<code>load</code>" or <a data-link-type="dfn" href="#concept-document">document</a> does not have a <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#concept-document-bc">browsing context</a>, and the <a data-link-type="dfn" href="#concept-document">document</a>’s <a data-link-type="dfn" href="https://html.spec.whatwg.org/multipage/browsers.html#concept-document-window">associated</a> <code class="idl"><a data-link-type="idl" href="https://html.spec.whatwg.org/multipage/browsers.html#window">Window</a></code> object otherwise. </p>
@@ -6308,6 +6308,7 @@ <h3 class="no-num no-ref heading settled" id="index-defined-elsewhere"><span cla
      <li><a href="https://html.spec.whatwg.org/multipage/embedded-content.html#trackevent">TrackEvent</a>
      <li><a href="https://html.spec.whatwg.org/multipage/browsers.html#window">Window</a>
      <li><a href="https://html.spec.whatwg.org/multipage/semantics.html#the-body-element">body</a>
+     <li><a href="https://html.spec.whatwg.org/multipage/browsers.html#browsing-context">browsing context</a>
      <li><a href="https://html.spec.whatwg.org/multipage/scripting.html#concept-custom-element-definition-constructor">constructor</a>
      <li><a href="https://html.spec.whatwg.org/multipage/scripting.html#customized-built-in-element">customized built-in element</a>
      <li><a href="https://html.spec.whatwg.org/multipage/scripting.html#enqueue-a-custom-element-callback-reaction">enqueue a custom element callback reaction</a>
@@ -6375,11 +6376,11 @@ <h3 class="no-num no-ref heading settled" id="normative"><span class="content">N
    <dt id="biblio-css-transitions-1">[CSS-TRANSITIONS-1]
    <dd>CSS Transitions Module Level 1 URL: <a href="https://drafts.csswg.org/css-transitions-1/">https://drafts.csswg.org/css-transitions-1/</a>
    <dt id="biblio-css3-animations">[CSS3-ANIMATIONS]
-   <dd>Dean Jackson; et al. <a href="http://www.w3.org/TR/css3-animations/">CSS Animations</a>. 19 February 2013. WD. URL: <a href="http://www.w3.org/TR/css3-animations/">http://www.w3.org/TR/css3-animations/</a>
+   <dd>Dean Jackson; et al. <a href="https://www.w3.org/TR/css3-animations/">CSS Animations</a>. 19 February 2013. WD. URL: <a href="https://www.w3.org/TR/css3-animations/">https://www.w3.org/TR/css3-animations/</a>
    <dt id="biblio-css3-transitions">[CSS3-TRANSITIONS]
    <dd>Dean Jackson; et al. <a href="http://dev.w3.org/csswg/css-transitions/">CSS Transitions</a>. 19 November 2013. WD. URL: <a href="http://dev.w3.org/csswg/css-transitions/">http://dev.w3.org/csswg/css-transitions/</a>
    <dt id="biblio-device-orientation">[DEVICE-ORIENTATION]
-   <dd>Stephen Block; Andrei Popescu. <a href="http://www.w3.org/TR/orientation-event/">DeviceOrientation Event Specification</a>. 1 December 2011. LCWD. URL: <a href="http://www.w3.org/TR/orientation-event/">http://www.w3.org/TR/orientation-event/</a>
+   <dd>Stephen Block; Andrei Popescu. <a href="https://www.w3.org/TR/orientation-event/">DeviceOrientation Event Specification</a>. 1 December 2011. LCWD. URL: <a href="https://www.w3.org/TR/orientation-event/">https://www.w3.org/TR/orientation-event/</a>
    <dt id="biblio-ecmascript">[ECMASCRIPT]
    <dd><a href="https://tc39.github.io/ecma262/">ECMAScript Language Specification</a>. URL: <a href="https://tc39.github.io/ecma262/">https://tc39.github.io/ecma262/</a>
    <dt id="biblio-encoding">[ENCODING]
@@ -6391,11 +6392,11 @@ <h3 class="no-num no-ref heading settled" id="normative"><span class="content">N
    <dt id="biblio-selectors-4">[SELECTORS-4]
    <dd>Selectors Level 4 URL: <a href="https://drafts.csswg.org/selectors-4/">https://drafts.csswg.org/selectors-4/</a>
    <dt id="biblio-selectors4">[SELECTORS4]
-   <dd>Elika Etemad; Tab Atkins Jr.. <a href="http://www.w3.org/TR/selectors4/">Selectors Level 4</a>. 2 May 2013. WD. URL: <a href="http://www.w3.org/TR/selectors4/">http://www.w3.org/TR/selectors4/</a>
+   <dd>Elika Etemad; Tab Atkins Jr.. <a href="https://www.w3.org/TR/selectors4/">Selectors Level 4</a>. 2 May 2013. WD. URL: <a href="https://www.w3.org/TR/selectors4/">https://www.w3.org/TR/selectors4/</a>
    <dt id="biblio-service-workers">[SERVICE-WORKERS]
    <dd>Alex Russell; Jungkee Song; Jake Archibald. <a href="https://slightlyoff.github.io/ServiceWorker/spec/service_worker/">Service Workers</a>. 25 June 2015. WD. URL: <a href="https://slightlyoff.github.io/ServiceWorker/spec/service_worker/">https://slightlyoff.github.io/ServiceWorker/spec/service_worker/</a>
    <dt id="biblio-svg">[SVG]
-   <dd>Jon Ferraiolo. <a href="http://www.w3.org/TR/SVG/">Scalable Vector Graphics (SVG) 1.0 Specification</a>. 4 September 2001. REC. URL: <a href="http://www.w3.org/TR/SVG/">http://www.w3.org/TR/SVG/</a>
+   <dd>Jon Ferraiolo. <a href="https://www.w3.org/TR/SVG/">Scalable Vector Graphics (SVG) 1.0 Specification</a>. 4 September 2001. REC. URL: <a href="https://www.w3.org/TR/SVG/">https://www.w3.org/TR/SVG/</a>
    <dt id="biblio-touch-events">[TOUCH-EVENTS]
    <dd>Doug Schepers; et al. <a href="http://dvcs.w3.org/hg/webevents/raw-file/v1/touchevents.html">Touch Events</a>. 10 October 2013. REC. URL: <a href="http://dvcs.w3.org/hg/webevents/raw-file/v1/touchevents.html">http://dvcs.w3.org/hg/webevents/raw-file/v1/touchevents.html</a>
    <dt id="biblio-uievents">[UIEVENTS]
@@ -6409,28 +6410,28 @@ <h3 class="no-num no-ref heading settled" id="normative"><span class="content">N
    <dt id="biblio-xhr">[XHR]
    <dd>Anne van Kesteren. <a href="https://xhr.spec.whatwg.org/">XMLHttpRequest Standard</a>. Living Standard. URL: <a href="https://xhr.spec.whatwg.org/">https://xhr.spec.whatwg.org/</a>
    <dt id="biblio-xml">[XML]
-   <dd>Tim Bray; et al. <a href="http://www.w3.org/TR/xml">Extensible Markup Language (XML) 1.0 (Fifth Edition)</a>. 26 November 2008. REC. URL: <a href="http://www.w3.org/TR/xml">http://www.w3.org/TR/xml</a>
+   <dd>Tim Bray; et al. <a href="https://www.w3.org/TR/xml">Extensible Markup Language (XML) 1.0 (Fifth Edition)</a>. 26 November 2008. REC. URL: <a href="https://www.w3.org/TR/xml">https://www.w3.org/TR/xml</a>
    <dt id="biblio-xml-names">[XML-NAMES]
-   <dd>Tim Bray; et al. <a href="http://www.w3.org/TR/xml-names">Namespaces in XML 1.0 (Third Edition)</a>. 8 December 2009. REC. URL: <a href="http://www.w3.org/TR/xml-names">http://www.w3.org/TR/xml-names</a>
+   <dd>Tim Bray; et al. <a href="https://www.w3.org/TR/xml-names">Namespaces in XML 1.0 (Third Edition)</a>. 8 December 2009. REC. URL: <a href="https://www.w3.org/TR/xml-names">https://www.w3.org/TR/xml-names</a>
   </dl>
   <h3 class="no-num no-ref heading settled" id="informative"><span class="content">Informative References</span><a class="self-link" href="#informative"></a></h3>
   <dl>
    <dt id="biblio-cssom-view">[CSSOM-VIEW]
    <dd>Simon Pieters. <a href="https://drafts.csswg.org/cssom-view/">CSSOM View Module</a>. 17 March 2016. WD. URL: <a href="https://drafts.csswg.org/cssom-view/">https://drafts.csswg.org/cssom-view/</a>
    <dt id="biblio-dom-level-2-traversal-range">[DOM-Level-2-Traversal-Range]
-   <dd>Joseph Kesselman; et al. <a href="http://www.w3.org/TR/DOM-Level-2-Traversal-Range/">Document Object Model (DOM) Level 2 Traversal and Range Specification</a>. 13 November 2000. REC. URL: <a href="http://www.w3.org/TR/DOM-Level-2-Traversal-Range/">http://www.w3.org/TR/DOM-Level-2-Traversal-Range/</a>
+   <dd>Joseph Kesselman; et al. <a href="https://www.w3.org/TR/DOM-Level-2-Traversal-Range/">Document Object Model (DOM) Level 2 Traversal and Range Specification</a>. 13 November 2000. REC. URL: <a href="https://www.w3.org/TR/DOM-Level-2-Traversal-Range/">https://www.w3.org/TR/DOM-Level-2-Traversal-Range/</a>
    <dt id="biblio-dom-level-3-core">[DOM-Level-3-Core]
-   <dd>Arnaud Le Hors; et al. <a href="http://www.w3.org/TR/DOM-Level-3-Core/">Document Object Model (DOM) Level 3 Core Specification</a>. 7 April 2004. REC. URL: <a href="http://www.w3.org/TR/DOM-Level-3-Core/">http://www.w3.org/TR/DOM-Level-3-Core/</a>
+   <dd>Arnaud Le Hors; et al. <a href="https://www.w3.org/TR/DOM-Level-3-Core/">Document Object Model (DOM) Level 3 Core Specification</a>. 7 April 2004. REC. URL: <a href="https://www.w3.org/TR/DOM-Level-3-Core/">https://www.w3.org/TR/DOM-Level-3-Core/</a>
    <dt id="biblio-dom-parsing">[DOM-Parsing]
    <dd>Travis Leithead. <a href="https://w3c.github.io/DOM-Parsing/">DOM Parsing and Serialization</a>. 17 May 2016. WD. URL: <a href="https://w3c.github.io/DOM-Parsing/">https://w3c.github.io/DOM-Parsing/</a>
    <dt id="biblio-elementtraversal">[ELEMENTTRAVERSAL]
-   <dd>Doug Schepers; Robin Berjon. <a href="http://www.w3.org/TR/ElementTraversal/">Element Traversal Specification</a>. 22 December 2008. REC. URL: <a href="http://www.w3.org/TR/ElementTraversal/">http://www.w3.org/TR/ElementTraversal/</a>
+   <dd>Doug Schepers; Robin Berjon. <a href="https://www.w3.org/TR/ElementTraversal/">Element Traversal Specification</a>. 22 December 2008. REC. URL: <a href="https://www.w3.org/TR/ElementTraversal/">https://www.w3.org/TR/ElementTraversal/</a>
    <dt id="biblio-indexeddb">[INDEXEDDB]
    <dd>Nikunj Mehta; et al. <a href="http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html">Indexed Database API</a>. 8 January 2015. REC. URL: <a href="http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html">http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html</a>
    <dt id="biblio-selectors-api2">[SELECTORS-API2]
    <dd>Lachlan Hunt. <a href="http://dev.w3.org/2006/webapi/selectors-api2/">Selectors API Level 2</a>. 17 October 2013. NOTE. URL: <a href="http://dev.w3.org/2006/webapi/selectors-api2/">http://dev.w3.org/2006/webapi/selectors-api2/</a>
    <dt id="biblio-uievents-20031107">[UIEVENTS-20031107]
-   <dd>Philippe Le Hégaret; Tim Pixley. <a href="http://www.w3.org/TR/2003/NOTE-DOM-Level-3-Events-20031107">Document Object Model (DOM) Level 3 Events Specification</a>. 7 November 2003. NOTE. URL: <a href="http://www.w3.org/TR/2003/NOTE-DOM-Level-3-Events-20031107">http://www.w3.org/TR/2003/NOTE-DOM-Level-3-Events-20031107</a>
+   <dd>Philippe Le Hégaret; Tim Pixley. <a href="https://www.w3.org/TR/2003/NOTE-DOM-Level-3-Events-20031107">Document Object Model (DOM) Level 3 Events Specification</a>. 7 November 2003. NOTE. URL: <a href="https://www.w3.org/TR/2003/NOTE-DOM-Level-3-Events-20031107">https://www.w3.org/TR/2003/NOTE-DOM-Level-3-Events-20031107</a>
   </dl>
   <h2 class="no-num no-ref heading settled" id="idl-index"><span class="content">IDL Index</span><a class="self-link" href="#idl-index"></a></h2>
 <pre class="idl def">[<a class="nv" href="#dom-event-event">Constructor</a>(<span class="kt">DOMString</span> <a class="nv" href="#dom-event-event-type-eventinitdict-type">type</a>, <span class="kt">optional</span> <a class="n" data-link-type="idl-name" href="#dictdef-eventinit">EventInit</a> <a class="nv" href="#dom-event-event-type-eventinitdict-eventinitdict">eventInitDict</a>),