hixie: disallow -00:00 in a global date and time string (whatwg r5474)

hixie: disallow -00:00 in a global date and time string (whatwg r5474)

http://dev.w3.org/cvsweb/html5/spec/Overview.html?r1=1.4365&r2=1.4366&f=h
http://html5.org/tools/web-apps-tracker?from=5473&to=5474

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RCS file: /sources/public/html5/spec/Overview.html,v
retrieving revision 1.4365
retrieving revision 1.4366
diff -u -d -r1.4365 -r1.4366
--- Overview.html 24 Sep 2010 00:47:57 -0000 1.4365
+++ Overview.html 24 Sep 2010 00:56:04 -0000 1.4366
@@ -4213,9 +4213,11 @@
 
      <li>Or:
 
-      <ol><li>Either a U+002B PLUS SIGN character (+) or a U+002D
-       HYPHEN-MINUS character (-), representing the sign of the
-       time-zone offset</li>
+      <ol><li>Either a U+002B PLUS SIGN character (+) or, if the
+       time-zone offset is not zero, a U+002D HYPHEN-MINUS character
+       (-), representing the sign of the time-zone offset</li>
+       <!-- the -00:00 offset is disallowed because RFC3339 gives it a
+       special semantic -->
 
        <li>Two <a href="#concept-datetime-digit" title="concept-datetime-digit">digits</a>,
        representing the hours component <var title="">hour</var> of

Received on Friday, 24 September 2010 00:57:16 UTC