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Remove the origin aliasing concept
Turns out effective script origins are shared, not aliased. Fixes #794.
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Lines changed: 50 additions & 81 deletions
Original file line numberDiff line numberDiff line change
@@ -75984,18 +75984,21 @@ dictionary <dfn>DragEventInit</dfn> : <span>MouseEventInit</span> {
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origin</span> of <var>document</var>:</p>
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<ul>
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<li><p>If the new <span>browsing context</span> has a <span>creator browsing context</span>,
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then the <span>origin</span> of <var>document</var> is an <span
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data-x="concept-origin-alias">alias</span> to the <span>origin</span> of the <span>creator
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<code>Document</code></span> and the <span>effective script origin</span> of
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<var>document</var> is initially an <span data-x="concept-origin-alias">alias</span> to the
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<span>effective script origin</span> of the <span>creator
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<code>Document</code></span>.</p></li>
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<li>
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<p>If the new <span>browsing context</span> has a <span>creator browsing context</span>,
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then the <span>origin</span> of <var>document</var> is a copy of the <span>origin</span> of
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the <span>creator <code>Document</code></span> and the <span>effective script origin</span> of
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<var>document</var> is the <span>effective script origin</span> of the <span>creator
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<code>Document</code></span>.</p>
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<p class="note">The <span>effective script origin</span> is shared and not copied
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purposefully.</p>
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</li>
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<li><p>Otherwise, the <span>origin</span> of <var>document</var> is a globally unique
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identifier assigned when the new <span>browsing context</span> is created and the
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<span>effective script origin</span> of <var>document</var> is initially an <span
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data-x="concept-origin-alias">alias</span> to its <span>origin</span>.</p></li>
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<span>effective script origin</span> of <var>document</var> is a copy of its
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<span>origin</span>.</p></li>
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</ul>
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</li>
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@@ -78123,23 +78126,13 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
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connections, to ensure that if the site's secure certificate changes, the origin is considered to
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change as well.</p>
7812578128

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<dt><dfn data-x="concept-origin-aliases">Aliases</dfn></dt>
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<dd>
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<p>A reference to another <span>origin</span> or <span>effective script origin</span>.</p>
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78133-
7813478129
</dl>
7813578130

78136-
<div w-nodev>
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<p class="note">An <span>effective script origin</span> can be shared, e.g., among multiple
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<code>Document</code> objects, and can be changed through the <code
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data-x="dom-document-domain">document.domain</code> API.</p>
7813778134

78138-
<p>An <span>origin</span> or <span>effective script origin</span> can be defined as an <dfn
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data-x="concept-origin-alias">alias</dfn> to another <span>origin</span> or <span>effective script
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origin</span>. The value of the <span>origin</span> or <span>effective script origin</span> is
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then the value of the <span>origin</span> or <span>effective script origin</span> to which it is
78142-
an alias.</p>
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<div w-nodev>
7814378136

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<p>These characteristics are defined as follows:</p>
7814578138

@@ -78169,9 +78162,8 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
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<p>The <span>origin</span> is a globally unique identifier assigned when the
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<code>Document</code> is created.</p>
7817178164

78172-
<p>The <span>effective script origin</span> is initially an <span
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data-x="concept-origin-alias">alias</span> to the <span>origin</span> of the
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<code>Document</code>.</p>
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<p>The <span>effective script origin</span> is initially a copy of the <span>origin</span> of
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the <code>Document</code>.</p>
7817578167

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</dd>
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@@ -78181,12 +78173,11 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
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<dd>
7818378175

78184-
<p>The <span>origin</span> is an <span data-x="concept-origin-alias">alias</span> to the
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<span>origin</span> of <span>the <code>Document</code>'s address</span>.</p>
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<p>The <span>origin</span> is a copy of the <span title="concept-url-origin">origin</span> of
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<span>the <code>Document</code>'s address</span>.</p>
7818678178

78187-
<p>The <span>effective script origin</span> is initially an <span
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data-x="concept-origin-alias">alias</span> to the <span>origin</span> of the
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<code>Document</code>.</p>
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<p>The <span>effective script origin</span> is initially a copy of the <span>origin</span> of
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the <code>Document</code>.</p>
7819078181

7819178182
</dd>
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@@ -78197,15 +78188,14 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
7819778188

7819878189
<dd>
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78200-
<p>The <span>origin</span> is an <span data-x="concept-origin-alias">alias</span> to the
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<span>origin</span> specified by the <span>incumbent settings object</span> when the <span>navigate</span>
78202-
algorithm was invoked, or, if no <span data-x="concept-script">script</span> was involved, of
78203-
the <span>node document</span> of the element that initiated the <span
78204-
data-x="navigate">navigation</span> to that <span>URL</span>.</p>
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<p>The <span>origin</span> is a copy of the <span>origin</span> specified by the
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<span>incumbent settings object</span> when the <span>navigate</span> algorithm was invoked,
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or, if no <span data-x="concept-script">script</span> was involved, of the <span>node
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document</span> of the element that initiated the <span data-x="navigate">navigation</span> to
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that <span>URL</span>.</p>
7820578196

78206-
<p>The <span>effective script origin</span> is initially an <span
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data-x="concept-origin-alias">alias</span> to the <span>effective script origin</span> of that
78208-
same <span>environment settings object</span> or <code>Document</code>.</p>
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<p>The <span>effective script origin</span> is the <span>effective script origin</span> of
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that same <span>environment settings object</span> or <code>Document</code>.</p>
7820978199

7821078200
</dd>
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@@ -78226,13 +78216,12 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
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<dd>
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78229-
<p>The <span>origin</span> is an <span data-x="concept-origin-alias">alias</span> to the
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<span>origin</span> of the <span>active document</span> of the <span>browsing context</span>
78231-
being navigated when the <span>navigate</span> algorithm was invoked.</p>
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<p>The <span>origin</span> is a copy of the <span>origin</span> of the <span>active
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document</span> of the <span>browsing context</span> being navigated when the
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<span>navigate</span> algorithm was invoked.</p>
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78233-
<p>The <span>effective script origin</span> is initially an <span
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data-x="concept-origin-alias">alias</span> to the <span>effective script origin</span> of that
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same <code>Document</code>.</p>
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<p>The <span>effective script origin</span> is the <span>effective script origin</span> of
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that same <code>Document</code>.</p>
7823678225

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</dd>
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@@ -78242,13 +78231,11 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
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<dd>
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78245-
<p>The <span>origin</span> of the <code>Document</code> is an <span
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data-x="concept-origin-alias">alias</span> to the <span>origin</span> of the
78247-
<code>Document</code>'s <span data-x="concept-document-bc">browsing context</span>'s
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<p>The <span>origin</span> of the <code>Document</code> is a copy of the <span>origin</span>
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of the <code>Document</code>'s <span data-x="concept-document-bc">browsing context</span>'s
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<span>browsing context container</span>'s <span>node document</span>.</p>
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78250-
<p>The <span>effective script origin</span> is initially an <span
78251-
data-x="concept-origin-alias">alias</span> to the <span>effective script origin</span> of the
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<p>The <span>effective script origin</span> is the <span>effective script origin</span> of the
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<code>Document</code>'s <span data-x="concept-document-bc">browsing context</span>'s
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<span>browsing context container</span>'s <span>node document</span>.</p>
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@@ -78265,9 +78252,8 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
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<p>The default behaviour as defined in the DOM standard applies. <ref spec=DOM>.</p>
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<p class="note">The <span>origin</span> is a globally unique identifier assigned when the
78268-
<code>Document</code> is created, and the <span>effective script origin</span> is initially an
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<span data-x="concept-origin-alias">alias</span> to the <span>origin</span> of the
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<code>Document</code>.</p>
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<code>Document</code> is created, and the <span>effective script origin</span> is a copy of
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the <span>origin</span> of the <code>Document</code>.</p>
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</dd>
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@@ -78294,11 +78280,8 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
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<dt>If the image data is <span>CORS-same-origin</span></dt>
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78297-
<dd>The <span>origin</span> is an <span data-x="concept-origin-alias">alias</span> to the
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<span>origin</span> of the <code>img</code> element's <span>node document</span>.</dd>
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<!-- all image loads go through the "potentially CORS-enabled fetch" algorithm so they're all
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either CORS-cross-origin or CORS-same-origin if they succeed at all -->
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<dd>The <span>origin</span> is a copy of the <span>origin</span> of the <code>img</code>
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element's <span>node document</span>.</dd>
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</dl>
7830478287

@@ -78321,8 +78304,8 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
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<dt>If the <span>media data</span> is <span>CORS-same-origin</span></dt>
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78324-
<dd>The <span>origin</span> is an <span data-x="concept-origin-alias">alias</span> to the
78325-
<span>origin</span> of the <span>media element</span>'s <span>node document</span>.</dd>
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<dd>The <span>origin</span> is a copy of the <span>origin</span> of the <span>media
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element</span>'s <span>node document</span>.</dd>
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7832778310
</dl>
7832878311

@@ -78336,16 +78319,14 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
7833678319

7833778320
<dd>
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78339-
<p>The <span>origin</span> of a downloadable Web font is an <span
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data-x="concept-origin-alias">alias</span> to the <span>origin</span> of the <span>absolute
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URL</span> used to obtain the font (after any redirects). <ref spec=CSSFONTS>
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<ref spec=CSSFONTLOAD></p> <!-- this means you can get data from a remote
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site if you can make it redirect to your own site in some fashion controlled by the data you
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want to read -->
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<p>The <span>origin</span> of a downloadable Web font is a copy of the <span
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title="concept-url-origin">origin</span> of the <span>absolute URL</span> used to obtain the
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font (after any redirects). <ref spec=CSSFONTS> <ref spec=CSSFONTLOAD></p> <!-- this means you
78325+
can get data from a remote site if you can make it redirect to your own site in some fashion
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controlled by the data you want to read -->
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78346-
<p>The <span>origin</span> of a locally installed system font is an <span
78347-
data-x="concept-origin-alias">alias</span> to the <span>origin</span> of the
78348-
<code>Document</code> in which that font is being used.</p>
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<p>The <span>origin</span> of a locally installed system font is a copy of the
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<span>origin</span> of the <code>Document</code> in which that font is being used.</p>
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7835078331
<p>Fonts do not have an <span>effective script origin</span>.</p>
7835178332

@@ -78357,14 +78338,6 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
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a particular <span>URL</span>, <code>Document</code>, image, <span>media element</span>, or
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font.</p>
7835978340

78360-
<!-- e.g.:
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78362-
<p>The <span>origin</span> of a <code>Document</code> object returned by the
78363-
<code>XMLHttpRequest</code> API is an <span data-x="concept-origin-alias">alias</span> to the
78364-
<span>XMLHttpRequest origin</span> of the <code>XMLHttpRequest</code> object.</p>
78365-
78366-
-->
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<hr>
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<p>The <dfn>Unicode serialisation of an origin</dfn> is the string obtained by applying the
@@ -78541,10 +78514,6 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
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<li><p>Set this <code>Document</code> object's <span data-x="the document's domain">domain</span>
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to <var>host</var>.</p></li>
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78544-
<li><p>If the <span>effective script origin</span> of this <code>Document</code> is an <span
78545-
data-x="concept-origin-alias">alias</span>, set it to the value of the <span>effective script
78546-
origin</span> (essentially de-aliasing the <span>effective script origin</span>).</p></li>
78547-
7854878517
<li><p>Set the host component of the <span>effective script origin</span> tuple of this
7854978518
<code>Document</code> to <var>host</var>.</p>
7855078519

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