W3C home > Mailing lists > Public > xmlschema-dev@w3.org > January 2001

Re: Forcing a certain document element

From: Henry S. Thompson <ht@cogsci.ed.ac.uk>
Date: 12 Jan 2001 18:16:08 +0000
To: Eric van der Vlist <vdv@dyomedea.com>
Cc: Ian Stokes-Rees <ian@decisionsoft.com>, "xmlschema-dev@w3.org" <xmlschema-dev@w3.org>
Message-ID: <f5bitnk1vrr.fsf@cogsci.ed.ac.uk>
Eric van der Vlist <vdv@dyomedea.com> writes:

> "Henry S. Thompson" wrote:
> > 
> > You can't use the XML Schema language itself to enforce this, just as
> > you can't say it in a DTD document.  The XML Schema WG has taken on
> > board a request that it be a requirement on XML Schema _processors_
> > that they can be invoked in a way which specifies the element
> > declaration to be used to validate the document element.
> Can't you design your schema to have only one global element definition
> ?
> I reckon that it's a severe constraint, but it could be a workaround if
> you really wanted/needed to achieve this...

In the words of Richard Nixon (allegedly :-) "You could do that, but
it would be wrong."  By which I mean you're right, if you wrote such a 
schema, it would have the desired effect, but that's a pretty
roundabout way to get it.

  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 Friday, 12 January 2001 13:16:11 UTC

This archive was generated by hypermail 2.4.0 : Friday, 17 January 2020 23:14:49 UTC