[armedbear-devel] [ansi-test-devel] Unicode, CHAR-UPCASE/CHAR-DOWNCASE and char-upcase.1/char-upcase.2
sds at gnu.org
Sun Apr 4 08:58:10 UTC 2010
On 4/3/10, Erik Huelsmann <ehuels at gmail.com> wrote:
> However, in section 13.1.10, there seems to be an escape hatch:
> "Documentation of implementation-defined scripts". A script is a
> subtype of CHARACTER, nothing more nothing less. An
> implementation-defined script gets to document the effect on
> CHAR-UPCASE and CHAR-DOWNCASE.
I don't think this gives you a license to discard the round-tripping invariant.
> there's no need to have the round-tripping requirement apply to most
> of unicode - as can't be expected, see latin-small-letter-dotless-i
> for an example.
why not make it its own upper case?
this is not exactly correct from the unicode pov, but, I think, it is
better that the alternative.
this round-tripping requirement is, i think, pretty important in symbol i/o.
Sam Steingold <http://sds.podval.org>
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