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   Re: [xml-dev] Best Practice - beyond schema

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"Anderson, John" <John@Barbadosoft.com> writes:

> Unfortunately, this mechanism below would not seem to remove mainteneance of
> multiple schemas. If you use restriction, any change to the global type will
> (potentially) require all the redefines also to be modified (or at least,
> checked for consistency).

TANSTAAFL -- the whole _point_ of using derivation is so that changes
to the base carry through to the derived types -- if they make changes 
to a changed part, then they have to change too -- how else could it

  Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
          W3C Fellow 1999--2002, part-time member of W3C Team
     2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
	    Fax: (44) 131 650-4587, e-mail: ht@cogsci.ed.ac.uk
		     URL: http://www.ltg.ed.ac.uk/~ht/
 [mail really from me _always_ has this .sig -- mail without it is forged spam]


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