[dsdl-discuss] Re: A revised draft for Part 7

On Sat, Nov 17, 2007 at 11:26:37AM +0900, MURATA Makoto wrote:
> >
> > The only way I know of referencing C0 characters is as character references.
> > Are character references permitted in REs? If they are then we should allow
> > them to be included in character sets. I suspect that Tab might be a
> > requirement, and aren's soft hyphens control characters (C1 I seem to
> > remember)
>
> Actually, character references of XML 1.0 cannot represent C0 (except
> tab, new line, carrige return).

Hmm, then you need to be able to refer parts of C0. Actually these
control characters may have different representation in differen coded
character sets, eg EBCDIC has different characters from ISO 4873.

I think we should be general an be able to describe all aspects of an
encoding, including the whole of C0, but only on a character level.
Conceptually this does not change anything.

best regards
keld

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