hixie: history.back() should fire unload too. (whatwg r5313)

hixie: history.back() should fire unload too. (whatwg r5313)

http://dev.w3.org/cvsweb/html5/spec/Overview.html?r1=1.4234&r2=1.4235&f=h
http://html5.org/tools/web-apps-tracker?from=5312&to=5313

===================================================================
RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.4234
retrieving revision 1.4235
diff -u -d -r1.4234 -r1.4235
--- Overview.html 18 Aug 2010 01:32:24 -0000 1.4234
+++ Overview.html 20 Aug 2010 18:58:13 -0000 1.4235
@@ -311,7 +311,7 @@
 
    <h1>HTML5</h1>
    <h2 class="no-num no-toc" id="a-vocabulary-and-associated-apis-for-html-and-xhtml">A vocabulary and associated APIs for HTML and XHTML</h2>
-   <h2 class="no-num no-toc" id="editor-s-draft-18-august-2010">Editor's Draft 18 August 2010</h2>
+   <h2 class="no-num no-toc" id="editor-s-draft-20-august-2010">Editor's Draft 20 August 2010</h2>
    <dl><dt>Latest Published Version:</dt>
     <dd><a href="http://www.w3.org/TR/html5/">http://www.w3.org/TR/html5/</a></dd>
     <dt>Latest Editor's Draft:</dt>
@@ -417,7 +417,7 @@
   Group</a> is the W3C working group responsible for this
   specification's progress along the W3C Recommendation
   track.
-  This specification is the 18 August 2010 Editor's Draft.
+  This specification is the 20 August 2010 Editor's Draft.
   </p><!-- UNDER NO CIRCUMSTANCES IS THE PRECEDING PARAGRAPH TO BE REMOVED OR EDITED WITHOUT TALKING TO IAN FIRST --><!-- relationship to other work (required) --><p>Work on this specification is also done at the <a href="http://www.whatwg.org/">WHATWG</a>. The W3C HTML working group
   actively pursues convergence with the WHATWG, as required by the <a href="http://www.w3.org/2007/03/HTML-WG-charter">W3C HTML working
   group charter</a>.</p><!-- UNDER NO CIRCUMSTANCES IS THE FOLLOWING PARAGRAPH TO BE REMOVED OR EDITED WITHOUT TALKING TO IAN FIRST --><!-- required patent boilerplate --><p>This document was produced by a group operating under the <a href="http://www.w3.org/Consortium/Patent-Policy-20040205/">5
@@ -42569,7 +42569,7 @@
    <li><p>If the index of the <a href="#current-entry-of-the-joint-session-history">current entry of the joint session
    history</a> plus <var title="">delta</var> is less than zero or
    greater than or equal to the number of items in the <a href="#joint-session-history">joint
-   session history</a>, then the user agent must do nothing.</p>
+   session history</a>, then abort these steps.</p>
 
    <li><p>Let <var title="">specified entry</var> be the entry in the
    <a href="#joint-session-history">joint session history</a> whose index is the sum of <var title="">delta</var> and the index of the <a href="#current-entry-of-the-joint-session-history">current entry of
@@ -42579,8 +42579,15 @@
    <a href="#browsing-context">browsing context</a> of the <var title="">specified
    entry</var>.</li>
 
-   <!-- XXX if going to another doc, try to unload the document here
-   (firing beforeunload, unload, pagehide) -->
+   <li><p><a href="#prompt-to-unload-a-document" title="prompt to unload a document">Prompt to
+   unload</a> the <a href="#active-document">active document</a> of the <var title="">specified browsing context</var>. If the user
+   <a href="#refused-to-allow-the-document-to-be-unloaded">refused to allow the document to be unloaded</a>, then
+   abort these steps.</li>
+
+   <li><p><a href="#unload-a-document" title="unload a document">Unload</a> the the
+   <a href="#active-document">active document</a> of the <var title="">specified
+   browsing context</var> with the <var title="">recycle</var>
+   parameter set to false.</li>
 
    <li><p><a href="#traverse-the-history">Traverse the history</a> of the <var title="">specified browsing context</var> to the <var title="">specified entry</var>.</p>
 
@@ -43121,6 +43128,15 @@
    <a href="#browsing-context">browsing context</a>.</li>
    <!-- http://www.hixie.ch/tests/adhoc/html/navigation/unload/ -->
 
+   <li><p>If a <a href="#concept-task" title="concept-task">task</a> queued by the
+   <a href="#traverse-the-history-by-a-delta">traverse the history by a delta</a> algorithm is running
+   the <a href="#unload-a-document">unload a document</a> algorithm for the <a href="#active-document">active
+   document</a> of the <a href="#browsing-context">browsing context</a> being
+   navigated, then abort these steps without affecting the
+   <a href="#unload-a-document">unload a document</a> algorithm or the aforementioned
+   history traversal task.</li> <!-- this stops pages from
+   hijacking the back/forward button -->
+
    <li><p>If there is a preexisting attempt to navigate the
    <a href="#browsing-context">browsing context</a>, and either that attempt has not yet
    <a href="#concept-navigate-mature" title="concept-navigate-mature">matured</a> (i.e. it has

Received on Friday, 20 August 2010 18:59:21 UTC