[Bug 11179] minor editorial improvement : parent schema components of a named model group

http://www.w3.org/Bugs/Public/show_bug.cgi?id=11179

--- Comment #4 from Michael Kay <mike@saxonica.com> 2011-02-08 11:14:43 UTC ---
A further observation on comment #3: note that the XSLT transformation to
implement xs:override is a schema-aware transformation, and it assumes that
both the input and the output documents can be validated against the schema for
schema documents.

Note also that it's not possible to define a schema-aware XSLT transformation
in which the input and output are valid against two different schemas unless
the union of those schemas is itself a valid schema (which means they can't
contain different definitions of like-named elements or types).

Having said that, it would not be difficult to replace this transformation with
one that isn't schema-aware.

(However, this would be something of an admission of failure. Managing
applications where there are multiple document types with overlapping
vocabularies is a problem our users face every day, and if we can't do it,
there's something wrong. It's particularly ironic that the problem should arise
as a consequence of xs:override, which was designed explicitly to help in
managing this situation.)

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Received on Tuesday, 8 February 2011 11:14:46 UTC