[www-xml-schema-comments] <none>

Suggestion for XML Schema 1.1: I am frustrated by the inability to
extend all-groups.  I would very much like to see a model in which
all-groups can be extended either via type derivation or via inclusion
of named all-groups in all-group definitions, with the restriction that
no all-group may contain any subgroups that are not themselves
all-groups.  This would, it seems, keep the whole thing fairly tractable
(a simple substitution semantics like that for attribute groups should
suffice), and would allow all-groups to be built up modularly, which
would be a big help.  This would entail no change to the interpretation
of currently valid schemas, hence no backward incompatibilities, and it
strikes me as very compatible with the current scope and flavor of XML
Schema.  Thanks for your consideration.
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Andy Lowry / Morgan Stanley / 718-754-4230 / 
andy.lowry@morganstanley.com 
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