Handle setting id to the empty string https://www.w3.org/Bugs/Public/…

…show_bug.cgi?id=25704

Overview.src.html

@@ -4799,6 +4799,7 @@ <h3>Interface <code>Document</code></h3>
  <li><p>Let <var title>event</var> be the result of
  <span title=concept-event-constructor>invoking</span> <var title>constructor</var> with
  the empty string as argument.
+ <!-- XXX need to make sure this is the original constructor, not whatever is on Window -->
 
  <li><p>Unset <var title>event</var>'s <span>initialized flag</span>.
 
@@ -5420,7 +5421,8 @@ <h3>Interface <code>Element</code></h3>
 
 <p>When an <span title=concept-element>element</span>'s
 <span title=concept-named-attribute><code>id</code> attribute</span> is
-<span title="attribute is removed">removed</span>, unset the
+<span title="attribute is removed">removed</span> or
+<span title="attribute is set">set</span> to the empty string, unset the
 <span title=concept-element>element</span>'s
 <span title=concept-id>ID</span>.
 

dom-core.html

@@ -9,7 +9,7 @@
 
 <hgroup>
  <h1 class="allcaps">DOM</h1>
- <h2>Living Standard — Last Updated 7 May 2014</h2>
+ <h2>Living Standard — Last Updated 14 May 2014</h2>
 </hgroup>
 
 <dl>
@@ -44,7 +44,7 @@ <h2>Living Standard — Last Updated 7 May 2014</h2>
 <p class="copyright"><a href="http://creativecommons.org/publicdomain/zero/1.0/" rel="license"><img alt="CC0" src="http://i.creativecommons.org/p/zero/1.0/80x15.png"></a>
 To the extent possible under law, the editors have waived all copyright and
 related or neighboring rights to this work. In addition, as of
-7 May 2014, the editors have made this specification available
+14 May 2014, the editors have made this specification available
 under the
 <a href="http://www.openwebfoundation.org/legal/the-owf-1-0-agreements/owfa-1-0" rel="license">Open Web Foundation Agreement Version 1.0</a>,
 which is available at
@@ -4875,6 +4875,7 @@ <h3 id="interface-document"><span class="secno">5.5 </span>Interface <code><a hr
  <li><p>Let <var title="">event</var> be the result of
  <a href="#concept-event-constructor" title="concept-event-constructor">invoking</a> <var title="">constructor</var> with
  the empty string as argument.
+ <!-- XXX need to make sure this is the original constructor, not whatever is on Window -->
 
  <li><p>Unset <var title="">event</var>'s <a href="#initialized-flag">initialized flag</a>.
 
@@ -5494,7 +5495,8 @@ <h3 id="interface-element"><span class="secno">5.8 </span>Interface <code><a hre
 
 <p>When an <a href="#concept-element" title="concept-element">element</a>'s
 <a href="#concept-named-attribute" title="concept-named-attribute"><code>id</code> attribute</a> is
-<a href="#attribute-is-removed" title="attribute is removed">removed</a>, unset the
+<a href="#attribute-is-removed" title="attribute is removed">removed</a> or
+<a href="#attribute-is-set" title="attribute is set">set</a> to the empty string, unset the
 <a href="#concept-element" title="concept-element">element</a>'s
 <a href="#concept-id" title="concept-id">ID</a>.