[dsdl-discuss] Re: Comments on W3C data types

On Mon, 2003-01-20 at 09:02, Martin Bryan wrote:
> In Baltimore Rick was tasked with pulling together a set of comments on
> problems identified so far with the W3C datatype specification. Can I please
> encourage you to send Rick your comments as soon as possible, and to copy
> them to this mailing list so that the rest of us can consider their
> implications.

My comments about WXS simple types are detailed in my book :-)... In a
nutshell:

- It should be possible to create new primary types at least for simple
cases (complex cases being ).
- It should be possible to define the transformation between the lexical
space and a "canonical" space.
- I consider xs:QName harmfull.
- I don't see the point of defining bith xs:float and xs:double (they
have the same lexical space and their facets should give the same result
in most if not all the cases).
- Date datatypes miss the 80/20 point (too complex to be easy to use yet
not complete enough to be really usefull), especially concerning
recurring periods of time, durations and timezone support.
- Whitespace processing should be considered as independent of the
primary datatypes.
- xs:base64Binary should include a line break every 76 characters.
- The choice of binary formats seems arbitrary.

Hope this helps.

Eric

-- 
Rendez-vous a Paris.
                                         http://www.edifrance.org/ebd03/
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Eric van der Vlist       http://xmlfr.org            http://dyomedea.com
(W3C) XML Schema ISBN:0-596-00252-1 http://oreilly.com/catalog/xmlschema
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