Remove the origin aliasing concept

Turns out effective script origins are shared, not aliased. Fixes #794.
whatwg · Mar 22, 2016 · 438155d · 438155d
1 parent fafd2e1
commit 438155d
Showing 1 changed file with 50 additions and 81 deletions.
diff --git a/source b/source
@@ -75963,18 +75963,21 @@ dictionary <dfn>DragEventInit</dfn> : <span>MouseEventInit</span> {
     origin</span> of <var>document</var>:</p>
 
     <ul>
-     <li><p>If the new <span>browsing context</span> has a <span>creator browsing context</span>,
-     then the <span>origin</span> of <var>document</var> is an <span
-     data-x="concept-origin-alias">alias</span> to the <span>origin</span> of the <span>creator
-     <code>Document</code></span> and the <span>effective script origin</span> of
-     <var>document</var> is initially an <span data-x="concept-origin-alias">alias</span> to the
-     <span>effective script origin</span> of the <span>creator
-     <code>Document</code></span>.</p></li>
+     <li>
+      <p>If the new <span>browsing context</span> has a <span>creator browsing context</span>,
+      then the <span>origin</span> of <var>document</var> is a copy of the <span>origin</span> of
+      the <span>creator <code>Document</code></span> and the <span>effective script origin</span> of
+      <var>document</var> is the <span>effective script origin</span> of the <span>creator
+      <code>Document</code></span>.</p>
+
+      <p class="note">The <span>effective script origin</span> is shared and not copied
+      purposefully.</p>
+     </li>
 
      <li><p>Otherwise, the <span>origin</span> of <var>document</var> is a globally unique
      identifier assigned when the new <span>browsing context</span> is created and the
-     <span>effective script origin</span> of <var>document</var> is initially an <span
-     data-x="concept-origin-alias">alias</span> to its <span>origin</span>.</p></li>
+     <span>effective script origin</span> of <var>document</var> is a copy of its
+     <span>origin</span>.</p></li>
     </ul>
    </li>
 
@@ -78102,23 +78105,13 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
     connections, to ensure that if the site's secure certificate changes, the origin is considered to
     change as well.</p>
 
-
-   <dt><dfn data-x="concept-origin-aliases">Aliases</dfn></dt>
-
-   <dd>
-
-    <p>A reference to another <span>origin</span> or <span>effective script origin</span>.</p>
-
-
   </dl>
 
-  <div w-nodev>
+  <p class="note">An <span>effective script origin</span> can be shared, e.g., among multiple
+  <code>Document</code> objects, and can be changed through the <code
+  data-x="dom-document-domain">document.domain</code> API.</p>
 
-  <p>An <span>origin</span> or <span>effective script origin</span> can be defined as an <dfn
-  data-x="concept-origin-alias">alias</dfn> to another <span>origin</span> or <span>effective script
-  origin</span>. The value of the <span>origin</span> or <span>effective script origin</span> is
-  then the value of the <span>origin</span> or <span>effective script origin</span> to which it is
-  an alias.</p>
+  <div w-nodev>
 
   <p>These characteristics are defined as follows:</p>
 
@@ -78148,9 +78141,8 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
       <p>The <span>origin</span> is a globally unique identifier assigned when the
       <code>Document</code> is created.</p>
 
-      <p>The <span>effective script origin</span> is initially an <span
-      data-x="concept-origin-alias">alias</span> to the <span>origin</span> of the
-      <code>Document</code>.</p>
+      <p>The <span>effective script origin</span> is initially a copy of the <span>origin</span> of
+      the <code>Document</code>.</p>
 
      </dd>
 
@@ -78160,12 +78152,11 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
 
      <dd>
 
-      <p>The <span>origin</span> is an <span data-x="concept-origin-alias">alias</span> to the
-      <span>origin</span> of <span>the <code>Document</code>'s address</span>.</p>
+      <p>The <span>origin</span> is a copy of the <span title="concept-url-origin">origin</span> of
+      <span>the <code>Document</code>'s address</span>.</p>
 
-      <p>The <span>effective script origin</span> is initially an <span
-      data-x="concept-origin-alias">alias</span> to the <span>origin</span> of the
-      <code>Document</code>.</p>
+      <p>The <span>effective script origin</span> is initially a copy of the <span>origin</span> of
+      the <code>Document</code>.</p>
 
      </dd>
 
@@ -78176,15 +78167,14 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
 
      <dd>
 
-      <p>The <span>origin</span> is an <span data-x="concept-origin-alias">alias</span> to the
-      <span>origin</span> specified by the <span>incumbent settings object</span> when the <span>navigate</span>
-      algorithm was invoked, or, if no <span data-x="concept-script">script</span> was involved, of
-      the <span>node document</span> of the element that initiated the <span
-      data-x="navigate">navigation</span> to that <span>URL</span>.</p>
+      <p>The <span>origin</span> is a copy of the <span>origin</span> specified by the
+      <span>incumbent settings object</span> when the <span>navigate</span> algorithm was invoked,
+      or, if no <span data-x="concept-script">script</span> was involved, of the <span>node
+      document</span> of the element that initiated the <span data-x="navigate">navigation</span> to
+      that <span>URL</span>.</p>
 
-      <p>The <span>effective script origin</span> is initially an <span
-      data-x="concept-origin-alias">alias</span> to the <span>effective script origin</span> of that
-      same <span>environment settings object</span> or <code>Document</code>.</p>
+      <p>The <span>effective script origin</span> is the <span>effective script origin</span> of
+      that same <span>environment settings object</span> or <code>Document</code>.</p>
 
      </dd>
 
@@ -78205,13 +78195,12 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
 
      <dd>
 
-      <p>The <span>origin</span> is an <span data-x="concept-origin-alias">alias</span> to the
-      <span>origin</span> of the <span>active document</span> of the <span>browsing context</span>
-      being navigated when the <span>navigate</span> algorithm was invoked.</p>
+      <p>The <span>origin</span> is a copy of the <span>origin</span> of the <span>active
+      document</span> of the <span>browsing context</span> being navigated when the
+      <span>navigate</span> algorithm was invoked.</p>
 
-      <p>The <span>effective script origin</span> is initially an <span
-      data-x="concept-origin-alias">alias</span> to the <span>effective script origin</span> of that
-      same <code>Document</code>.</p>
+      <p>The <span>effective script origin</span> is the <span>effective script origin</span> of
+      that same <code>Document</code>.</p>
 
      </dd>
 
@@ -78221,13 +78210,11 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
 
      <dd>
 
-      <p>The <span>origin</span> of the <code>Document</code> is an <span
-      data-x="concept-origin-alias">alias</span> to the <span>origin</span> of the
-      <code>Document</code>'s <span data-x="concept-document-bc">browsing context</span>'s
+      <p>The <span>origin</span> of the <code>Document</code> is a copy of the <span>origin</span>
+      of the <code>Document</code>'s <span data-x="concept-document-bc">browsing context</span>'s
       <span>browsing context container</span>'s <span>node document</span>.</p>
 
-      <p>The <span>effective script origin</span> is initially an <span
-      data-x="concept-origin-alias">alias</span> to the <span>effective script origin</span> of the
+      <p>The <span>effective script origin</span> is the <span>effective script origin</span> of the
       <code>Document</code>'s <span data-x="concept-document-bc">browsing context</span>'s
       <span>browsing context container</span>'s <span>node document</span>.</p>
 
@@ -78244,9 +78231,8 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
       <p>The default behaviour as defined in the WHATWG DOM standard applies. <ref spec=DOM>.</p>
 
       <p class="note">The <span>origin</span> is a globally unique identifier assigned when the
-      <code>Document</code> is created, and the <span>effective script origin</span> is initially an
-      <span data-x="concept-origin-alias">alias</span> to the <span>origin</span> of the
-      <code>Document</code>.</p>
+      <code>Document</code> is created, and the <span>effective script origin</span> is a copy of
+      the <span>origin</span> of the <code>Document</code>.</p>
 
      </dd>
 
@@ -78273,11 +78259,8 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
 
      <dt>If the image data is <span>CORS-same-origin</span></dt>
 
-     <dd>The <span>origin</span> is an <span data-x="concept-origin-alias">alias</span> to the
-     <span>origin</span> of the <code>img</code> element's <span>node document</span>.</dd>
-
-     <!-- all image loads go through the "potentially CORS-enabled fetch" algorithm so they're all
-     either CORS-cross-origin or CORS-same-origin if they succeed at all -->
+     <dd>The <span>origin</span> is a copy of the <span>origin</span> of the <code>img</code>
+     element's <span>node document</span>.</dd>
 
     </dl>
 
@@ -78300,8 +78283,8 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
 
      <dt>If the <span>media data</span> is <span>CORS-same-origin</span></dt>
 
-     <dd>The <span>origin</span> is an <span data-x="concept-origin-alias">alias</span> to the
-     <span>origin</span> of the <span>media element</span>'s <span>node document</span>.</dd>
+     <dd>The <span>origin</span> is a copy of the <span>origin</span> of the <span>media
+     element</span>'s <span>node document</span>.</dd>
 
     </dl>
 
@@ -78315,16 +78298,14 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
 
    <dd>
 
-    <p>The <span>origin</span> of a downloadable Web font is an <span
-    data-x="concept-origin-alias">alias</span> to the <span>origin</span> of the <span>absolute
-    URL</span> used to obtain the font (after any redirects). <ref spec=CSSFONTS>
-    <ref spec=CSSFONTLOAD></p> <!-- this means you can get data from a remote
-    site if you can make it redirect to your own site in some fashion controlled by the data you
-    want to read -->
+    <p>The <span>origin</span> of a downloadable Web font is a copy of the <span
+    title="concept-url-origin">origin</span> of the <span>absolute URL</span> used to obtain the
+    font (after any redirects). <ref spec=CSSFONTS> <ref spec=CSSFONTLOAD></p> <!-- this means you
+    can get data from a remote site if you can make it redirect to your own site in some fashion
+    controlled by the data you want to read -->
 
-    <p>The <span>origin</span> of a locally installed system font is an <span
-    data-x="concept-origin-alias">alias</span> to the <span>origin</span> of the
-    <code>Document</code> in which that font is being used.</p>
+    <p>The <span>origin</span> of a locally installed system font is a copy of the
+    <span>origin</span> of the <code>Document</code> in which that font is being used.</p>
 
     <p>Fonts do not have an <span>effective script origin</span>.</p>
 
@@ -78336,14 +78317,6 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
   a particular <span>URL</span>, <code>Document</code>, image, <span>media element</span>, or
   font.</p>
 
-  <!-- e.g.:
-
-    <p>The <span>origin</span> of a <code>Document</code> object returned by the
-    <code>XMLHttpRequest</code> API is an <span data-x="concept-origin-alias">alias</span> to the
-    <span>XMLHttpRequest origin</span> of the <code>XMLHttpRequest</code> object.</p>
-
-  -->
-
   <hr>
 
   <p>The <dfn>Unicode serialisation of an origin</dfn> is the string obtained by applying the
@@ -78520,10 +78493,6 @@ callback <dfn>FrameRequestCallback</dfn> = void (<span>DOMHighResTimeStamp</span
    <li><p>Set this <code>Document</code> object's <span data-x="the document's domain">domain</span>
    to <var>host</var>.</p></li>
 
-   <li><p>If the <span>effective script origin</span> of this <code>Document</code> is an <span
-   data-x="concept-origin-alias">alias</span>, set it to the value of the <span>effective script
-   origin</span> (essentially de-aliasing the <span>effective script origin</span>).</p></li>
-
    <li><p>Set the host component of the <span>effective script origin</span> tuple of this
    <code>Document</code> to <var>host</var>.</p>