- From: Ian Stokes-Rees <ijs@decisionsoft.com>
- Date: Fri, 20 Apr 2001 16:19:19 +0100
- To: xmlschema-dev@w3.org
> It can't, it's outside the expressive power of XML Schema as it > stands. This constraint is expressed in the spec. at [1] and [2]. Thanks for clearing that up -- I thought the XMLschema.xsd file, when it said normative, also meant that it was definitive. Now I know better. > > Also, what was the reason for not allowing choice to operate over > > attributes? > > It's one (relatively simple) example of what we call co-constraints, > which we wish to provide a general solution for. I see that, but then don't see the difference with "choice" on elements. The decision to allow it in one place but not another is what confuses me. Ian. -- Ian Stokes-Rees DecisionSoft Ltd. Telephone: +44-1865-203192 http://www.decisionsoft.com
Received on Friday, 20 April 2001 11:19:24 UTC