RE: XML Schema XPath subset: NCName:*

Thanks.

Michael Kay

> -----Original Message-----
> From: Henry S. Thompson [mailto:ht@inf.ed.ac.uk] 
> Sent: 12 February 2004 13:35
> To: Michael Kay
> Cc: www-xml-schema-comments@w3.org
> Subject: Re: XML Schema XPath subset: NCName:*
> 
> 
> "Michael Kay" <mhk@mhk.me.uk> writes:
> 
> > In section 3.11.6 of XML Schema Part 1, the production rule 
> is given:
> >
> > [4]  NameTest ::= QName | '*' | NCName ':' '*'	
> >
> > This creates the impression that spaces are allowed either 
> side of the 
> > ":" in NCName:*, and some schema processors (e.g. Xerces) appear to 
> > allow such spaces.
> 
> As published, the REC doesn't allow any whitespace _at all_ 
> in patterns, per the XML 1.0 interpretation of EBNF.
> 
> Following a comment [1], an erratum [2] was issued clarifying 
> that whitespace was allowed as per XPath 1.0.  This 
> clarification does not allow whitespace between the tokens of 
> a NameTest.
> 
> ht
> 
> [1] 
> http://www.w3.org/2001/05/xmlschema-rec-comments.html#pfiIdCon
strWhiteSp
[2] http://www.w3.org/2001/05/xmlschema-errata#e1-6
-- 
 Henry S. Thompson, HCRC Language Technology Group, University of
Edinburgh
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Received on Thursday, 12 February 2004 09:29:01 UTC