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Subject: RE: [relax-ng] future TC work
I made an error. RELAX NG can already support regular expressions via the pattern parameter with XML Schema datatypes: <element name="phone" xmlns="http://relaxng.org/ns/structure/1.0" datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes"> <data type="string"> <param name="pattern">\(\d{3}\)\d{3}-\d{4}</param> </data> </element> Works with MSV but not Jing. I was happy to make this discovery today. Mike -----Original Message----- From: John Cowan [mailto:jcowan@reutershealth.com] Sent: Monday, February 25, 2002 9:20 AM To: Michael Fitzgerald Cc: RELAX NG List Subject: Re: [relax-ng] future TC work Michael Fitzgerald wrote: > A few things I hope we consider: > > - Identity constraints: key/keyref mop up This will be rather more than a "mop up". One possible, if hacky, way to do it is to create a datatype library providing "key" and "keyref" with several required parameters: document URI, root of keyspace (as a restricted XPath), keyed object (ditto), key in keyed object (ditto). > - Non-XML syntax: an additional committee spec? I think people like it. Yes, yes! > - Regular expressions: something natural like this (I don't care what the > <regex> element is called) I think the Right Thing here is to add a regex parameter to the default datatype library. Almost everything that XML Schemas datatypes do can be described with regexes if carefully enough crafted. *Whether* this is worth doing is another matter. -- John Cowan <jcowan@reutershealth.com> http://www.reutershealth.com I amar prestar aen, han mathon ne nen, http://www.ccil.org/~cowan han mathon ne chae, a han noston ne 'wilith. --Galadriel, _LOTR:FOTR_ ---------------------------------------------------------------- To subscribe or unsubscribe from this elist use the subscription manager: <http://lists.oasis-open.org/ob/adm.pl>
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