[html5] r4693 - [giow] (0) Make it clear that disabling a feature should truly remove it, not ju [...]

[whatwg at whatwg.org]

Author: ianh
Date: 2010-02-12 05:09:18 -0800 (Fri, 12 Feb 2010)
New Revision: 4693

Modified:
   complete.html
   index
   source
Log:
[giow] (0) Make it clear that disabling a feature should truly remove it, not just stub it out.
Fixing http://www.w3.org/Bugs/Public/show_bug.cgi?id=8536

Modified: complete.html
===================================================================
--- complete.html	2010-02-12 09:50:27 UTC (rev 4692)
+++ complete.html	2010-02-12 13:09:18 UTC (rev 4693)
@@ -2603,6 +2603,16 @@
 
   </div>
 
+  <p>When support for a feature is disabled (e.g. as an emergency
+  measure to mitigate a security problem, or to aid in development, or
+  for performance reasons), user agents must act as if they had no
+  support for the feature whatsoever, and as if the feature was not
+  mentioned in this specification. For example, if a particular
+  feature is accessed via an attribute in a Web IDL interface, the
+  attribute itself would be omitted from the objects that implement
+  that interface — leaving the attribute on the object but
+  making it return null or throw an exception is insufficient.</p>
+
   <hr><p>When vendor-neutral extensions to this specification are needed,
   either this specification can be updated accordingly, or an
   extension specification can be written that overrides the
@@ -69222,6 +69232,7 @@
    origin</a> is not the <a href=#same-origin>same origin</a> as the
    <code>Document</code>'s <a href=#origin>origin</a>, then throw a
    <code><a href=#security_err>SECURITY_ERR</a></code> exception and abort these steps.</li>
+   <!-- XXX should do this on getItem()/setItem()/enumerating etc -->
 
    <li><p>If the <code>Document</code>'s <a href=#origin>origin</a> is not a
    scheme/host/port tuple, then throw a <code><a href=#security_err>SECURITY_ERR</a></code>

Modified: index
===================================================================
--- index	2010-02-12 09:50:27 UTC (rev 4692)
+++ index	2010-02-12 13:09:18 UTC (rev 4693)
@@ -2502,6 +2502,16 @@
 
   </div>
 
+  <p>When support for a feature is disabled (e.g. as an emergency
+  measure to mitigate a security problem, or to aid in development, or
+  for performance reasons), user agents must act as if they had no
+  support for the feature whatsoever, and as if the feature was not
+  mentioned in this specification. For example, if a particular
+  feature is accessed via an attribute in a Web IDL interface, the
+  attribute itself would be omitted from the objects that implement
+  that interface — leaving the attribute on the object but
+  making it return null or throw an exception is insufficient.</p>
+
   <hr><p>When vendor-neutral extensions to this specification are needed,
   either this specification can be updated accordingly, or an
   extension specification can be written that overrides the

Modified: source
===================================================================
--- source	2010-02-12 09:50:27 UTC (rev 4692)
+++ source	2010-02-12 13:09:18 UTC (rev 4693)
@@ -1519,6 +1519,16 @@
 
   </div>
 
+  <p>When support for a feature is disabled (e.g. as an emergency
+  measure to mitigate a security problem, or to aid in development, or
+  for performance reasons), user agents must act as if they had no
+  support for the feature whatsoever, and as if the feature was not
+  mentioned in this specification. For example, if a particular
+  feature is accessed via an attribute in a Web IDL interface, the
+  attribute itself would be omitted from the objects that implement
+  that interface — leaving the attribute on the object but
+  making it return null or throw an exception is insufficient.</p>
+
   <hr>
 
   <p>When vendor-neutral extensions to this specification are needed,
@@ -77885,6 +77895,7 @@
    origin</span> is not the <span>same origin</span> as the
    <code>Document</code>'s <span>origin</span>, then throw a
    <code>SECURITY_ERR</code> exception and abort these steps.</p></li>
+   <!-- XXX should do this on getItem()/setItem()/enumerating etc -->
 
    <li><p>If the <code>Document</code>'s <span>origin</span> is not a
    scheme/host/port tuple, then throw a <code>SECURITY_ERR</code>