[Bug 6909] is a pre-lexical facet magic?

http://www.w3.org/Bugs/Public/show_bug.cgi?id=6909


Michael Kay <mike@saxonica.com> changed:

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--- Comment #4 from Michael Kay <mike@saxonica.com>  2009-07-20 15:22:27 ---
Seems OK. In Saxon I have an example where I'm using the ability to have
vendor-defined pre-lexical transformations to allow decimal numbers to be
written in the European format of 1,00. The pre-lexical transformation converts
all commas to periods and vice-versa, so the fact that 1,000 is converted to
1.000 does not mean that 1.000 is not part of the lexical space.

The tricky thing about such a transformation is that it needs to be reversible,
but since a schema processor never does serialization, that's arguably out of
scope for the XSD spec. Unless of course we think the datatype system is trying
to support more than just validation.


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Received on Monday, 20 July 2009 15:22:43 UTC