Re: combine

[Murata Makoto <mura034@attglobal.net>]

Norman Walsh wrote:
>
>/ James Clark <jjc@jclark.com> was heard to say:
>| Right.  We could have a restriction on combine="group" that you can't use it
>| in a way which makes order significant (eg combining two <element>
>| patterns).  On the other hand that would rule out using combine="group" to
>| provide functionality similar to derivation of complex types by extension in
>| XML Schema (adding things on to the end of a content model).
>
>Making order insignificant would be nice, but I think it would be a
>mistake to lose the ability to mutate content models this way.

I do not think that combine="group" provides functionality similar to 
derivation of complex types by extension.  Derived types do not 
overshadow original types, but combine="group" does.  

Cheers,

Makoto