[dsdl-discuss] Re: Datatypes strawman

 From: "Martin Bryan" <mtbryan@sgml.u-net.com>
 
[Issue 1-5: The XML Schema representation of period only allows decimals to be used to qualify seconds. Should DSDL be similarly constrained, or should it remain more compatible with ISO 8601?]

The XML Schema WG had a strong disinclination to allow multiple lexical forms.
But if ISO 8601 allows them, so should we, with a caution that XML Schemas does not.

There are several different lexical forms for number, date, and boolean, but they
tried to keep these to a minimum.

While I agree that a canonical lexical form is useful, I completely don't buy that the
document should be restricted. Instead, transformations should be able to be
specified to convert to canonical lexical spaces (notionally) and thence to values spaces.

Cheers
Rick

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