- From: Henry S. Thompson <ht@cogsci.ed.ac.uk>
- Date: 17 Jan 2002 16:49:06 +0000
- To: Jeni Tennison <jeni@jenitennison.com>
- Cc: xmlschema-dev@w3.org
Jeni Tennison <jeni@jenitennison.com> writes: > Hi, > > Please could someone clarify whether the pattern facet is applies to > list datatypes. > > In Section 2.5.1.2 List datatypes, it states: > > "When a datatype is ·derived· from a ·list· datatype, the following > ·constraining facet·s apply: > > * ·length· > * ·maxLength· > * ·minLength· > * ·enumeration· > * ·pattern· > * ·whiteSpace·" > http://www.w3.org/TR/xmlschema-2/#atomic-vs-list > > However, in the description of the built-in list data types, > xs:NMTOKENS, xs:IDREFS and xs:ENTITIES, the lists of constraining > facets does not include the pattern facet. > > Should we conclude from this that xs:NMTOKENS, xs:IDREFS and > xs:ENTITIES are exceptions to the general rule about list data types, > or is this an error in the Rec.? If the latter, is it that the pattern > facet does not apply to list datatypes, or that it does apply to those > three list datatypes? This is a recorded issue against the REC [1] -- an erratum is pending (pattern is OK on all lists, including xs:NMTOKENS etc.) ht [1] http://www.w3.org/2001/05/xmlschema-rec-comments#pfipattern -- Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh W3C Fellow 1999--2001, 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/
Received on Thursday, 17 January 2002 11:49:10 UTC