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RE: Re: determining ID-ness in XML

• From: "Christopher R. Maden" <crism@m...>
• To: xml-dev@l...
• Date: Mon, 05 Nov 2001 21:42:13 -0800

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At 05:17 5-11-2001, Leigh Dodds wrote:
>I'm sure there's all sorts of things still to yet to creep out of the
>woodwork:
>For example, what about cross-referencing? xml:idref? xml:idrefatts? If
>we're
>recreating identifiers separate from DTDs, then surely cross-referencing
>is also an issue...?

Not really.  Most applications that need references use them explicitly; 
e.g., they do something like id(@idref) in an XPath.  In SGML, ID and 
IDREF(S) were subject to the same case normalization rules, but since 
that's gone in XML, it's not an issue any more.  A validator needs to 
ensure that all IDREFs are valid, but we're only considering the case of 
non-validating parsers.

~Chris
- -- 
Christopher R. Maden, Principal Consultant, HMM Consulting Int'l, Inc.
DTDs/schemas - conversion - ebooks - publishing - Web - B2B - training
<URL: http://www.hmmci.com/ > <URL: http://crism.maden.org/consulting/ >
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