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Bug 2027 - R-049: ISO 8601:2000 defines 0000 as a valid year
Summary: R-049: ISO 8601:2000 defines 0000 as a valid year
Status: CLOSED LATER
Alias: None
Product: XML Schema
Classification: Unclassified
Component: Datatypes: XSD Part 2 (show other bugs)
Version: 1.0 only
Hardware: All All
: P2 normal
Target Milestone: ---
Assignee: XML Schema WG
QA Contact: XML Schema comments list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2005-09-07 20:42 UTC by Sandy Gao
Modified: 2009-04-21 19:24 UTC (History)
0 users

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Description Sandy Gao 2005-09-07 20:42:23 UTC 
ISO 8601:2000 defines 0000 to be a valid year, unlike the specification of 
dateTime in the "XML Schema: Datatypes" recommendation. Should dateTime follow 
ISO 8601:2000 in this respect?

See
http://lists.w3.org/Archives/Public/www-xml-schema-comments/2001JulSep/0095.html
Comment 1 C. M. Sperberg-McQueen 2005-09-08 21:01:01 UTC 
It seems likely that this item may have been overtaken
by events, or classified before:  XML Schema 1.1 does 
explicitly support the lexical form '0000' with the 
meaning 1 BCE, and it seems likely that we explicitly
decided to make that change in 1.1 and not in a 
corrigendum to 1.0 on compatibility grounds.

But the Rec Comments list shows the status of this
item still as "unclassified", and it will be
quicker to classify it and dispose of it afresh
than to trawl through the minutes of the WG 
trying to find a record of having dealt with it
before.  (Quicker for me, that is.)

So I'm marking this unclassified and assigning it
to the WG for classification.
Comment 3 Sandy Gao 2005-09-19 20:53:05 UTC 
Discussed during 2005-09-16 WG telecon. Defer to a future version. See RQ-123.

http://lists.w3.org/Archives/Member/w3c-xml-schema-ig/2005Sep/0081.html