W3C home > Mailing lists > Public > xmlschema-dev@w3.org > March 2004

RE: Is this schema valid?

From: Dare Obasanjo <dareo@microsoft.com>
Date: Tue, 23 Mar 2004 15:54:16 -0800
Message-ID: <830178CE7378FC40BC6F1DDADCFDD1D10229CDC4@RED-MSG-31.redmond.corp.microsoft.com>
To: "Henry S. Thompson" <ht@inf.ed.ac.uk>
Cc: <xmlschema-dev@w3.org>

> -----Original Message-----
> From: Henry S. Thompson [mailto:ht@inf.ed.ac.uk] 
> Sent: Thursday, March 18, 2004 1:10 AM
> To: Dare Obasanjo
> Cc: xmlschema-dev@w3.org
> Subject: Re: Is this schema valid?
> 
> "Dare Obasanjo" <dareo@microsoft.com> writes:
> 
> > Is there any reason why myDCT is an invalid restriction of myCT?
> > Intuitively it seems it is not but there is verbiage that may imply 
> > that it is.
> 
> Sigh.  It's not valid as a restriction, because the Emp type 
> definition is not derived _by restriction_ from the ur type.  
> XSV gets this wrong :-(.
> 
> I could go either way on whether this is a bug or not . . .

I believe it is a bug in the spec to disallow this derivation. I'll
contact our working group rep about bringing this up formally. 

--
PITHY WORDS OF WISDOM 
The first myth of management is that it exists.    

This posting is provided "AS IS" with no warranties, and confers no
rights.  
Received on Tuesday, 23 March 2004 20:13:12 UTC

This archive was generated by hypermail 2.3.1 : Wednesday, 5 February 2014 23:40:23 UTC