- From: Martin Gudgin <marting@develop.com>
- Date: Mon, 22 Oct 2001 21:44:52 +0100
- To: <priscilla@walmsley.com>, <www-xml-schema-comments@w3.org>
I think it is an oversight, but in which direction? I think final='extension' makes sense and Part 2 should allow it. This would allow the designer of a simple type to stop people from adding attributes to it. Or would no one ever want to do that? Martin ----- Original Message ----- From: "Priscilla Walmsley" <priscilla@walmsley.com> To: <www-xml-schema-comments@w3.org> Sent: Monday, October 22, 2001 2:21 PM Subject: Can final="extension" for simpleType? > The Datatypes rec and the Schema for Datatypes do not allow the value > "extension" for the final attribute of a simpleType. > > However, section 3.4.6 of the Structures rec (under Derivation Valid > (Extension)) says: > > 2 If the {base type definition} is a simple type definition, then all of the > following must be true: > 2.1 The {content type} must be the same simple type definition. > 2.2 The {final} of the {base type definition} must not contain extension. > > It seems that 2.2 will always be true. Is this an oversight? > > Thanks, > Priscilla > ----------------------------------------------------------- > Priscilla Walmsley priscilla@walmsley.com > Vitria Technology http://www.vitria.com > Author, Definitive XML Schema (Prentice Hall, Dec. 2001) > ----------------------------------------------------------- >
Received on Monday, 22 October 2001 16:46:05 UTC