[XML-SIG] Re: Issues with Unicode type

[Henry S. Thompson]

"Thomas B. Passin" <tpassin@comcast.net> writes:

> [Henry S. Thompson]
> 
> Wow, Henry, this is a real contribution - who would want to compile that RE
> by hand?  Is there not a typo in the last bit, though?
> 
> > <simpleType name="NCName">
> >  <restriction base="Name">
> >   <pattern value="[^:][^:]*"/>
> >  </restriction>
> > </simpleType>
> >
> 
> The XML Namespaces Rec says that an NCName is
> 
>  NCName ::= (Letter | '_') (NCNameChar)*
> 
> but you have it equivalent to
> 
>  NCName ::= (NCNameChar) (NCNameChar)*

I _think_ I have that right -- Name is defined as

 <simpleType name="Name"> 
  <restriction base="token"> 
    <pattern value="u'[_:A-Za-z . . .

and the above effectively _subtracts_ the : from that, leaving the _
and all the Letters.

ht
-- 
  Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
          W3C Fellow 1999--2002, part-time member of W3C Team
     2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
	    Fax: (44) 131 650-4587, e-mail: ht@cogsci.ed.ac.uk
		     URL: http://www.ltg.ed.ac.uk/~ht/
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