- From: Jeni Tennison <jeni@jenitennison.com>
- Date: Thu, 20 Dec 2001 15:39:53 +0000
- To: Mark Feblowitz <mfeblowitz@frictionless.com>
- CC: "Xmlschema-Dev (E-mail)" <xmlschema-dev@w3.org>
Hi Mark, > We have been using the second approach, and it is very elegant. The > ability to target plug-in content without disturbing the surrounding > context is very cool. It does, however, get very complicated when > the type hierarchy gets deeper. That's also when restriction and > extension come into conflict, because substitution groups want their > descendants to be restrictions. I think that the members of substitution groups' types only need to be *derived* from the type of the head of the substitution group, not necessarily restrictions? Cheers, Jeni --- Jeni Tennison http://www.jenitennison.com/
Received on Thursday, 20 December 2001 11:08:10 UTC