- From: G. Ken Holman <gkholman@CraneSoftwrights.com>
- Date: Thu, 12 Mar 2009 13:59:41 -0400
- To: <xmlschema-dev@w3.org>
At 2009-03-12 18:06 +0100, Klöck, Erwin wrote: >is it possible to define alternative obligatory >attributes for an element? What I want is something like the following, >where the element otto must have either of two >attributes but not both. If it is possible, how would one do this? > ><top> > <file uri="xxxx"/> > <file relative-path="yyyy"/> ></top> No, when using W3C Schema 1.0, because sibling elements of the same name cannot have different validation constraints. Yes, when using W3C Schema 1.1 (using assertions), or ISO/IEC 19757-3 Schematron (using assertions) or ISO/IEC 19757-2 RELAX-NG (using a choice pattern on the attributes). I hope this helps. . . . . . . . . . . . . . Ken -- XQuery/XSLT training in Prague, CZ 2009-03 http://www.xmlprague.cz XQuery/XSLT/XSL-FO training in Los Angeles (New dates!) 2009-06-08 Training tools: Comprehensive interactive XSLT/XPath 1.0/2.0 video Video lesson: http://www.youtube.com/watch?v=PrNjJCh7Ppg&fmt=18 Video overview: http://www.youtube.com/watch?v=VTiodiij6gE&fmt=18 G. Ken Holman mailto:gkholman@CraneSoftwrights.com Crane Softwrights Ltd. http://www.CraneSoftwrights.com/x/ Male Cancer Awareness Nov'07 http://www.CraneSoftwrights.com/x/bc Legal business disclaimers: http://www.CraneSoftwrights.com/legal
Received on Thursday, 12 March 2009 18:00:32 UTC