On Tue, Nov 06, 2007 at 03:26:12AM -0500, Kyle Moffett wrote:
> On Nov 06, 2007, at 01:33:05, Adrian Bunk wrote:
>> Can you limit this to 7bit ASCII and use isascii() somewhere?
>>
>> Otherwise I'd expect funny things to happen when you e.g. use isspace() on
>> the UTF-8 encoded character à.
>
> Actually, you don't need to. You tell them it expects UTF-8 encoded
> strings and be done with it. All US-ASCII characters from 0 through 127
> (IE: high bit clear) are exactly the same in UTF-8, and UTF-8 special
> characters have the high bit set in all bytes. Therefore you just assume
> that anything with the high bit set is part of a word and you can handle
> basic UTF-8. (It doesn't work on special UTF-8 space characters like
> nonbreaking space and similar, but handling those is significantly more
> complicated).
The documentations says:
"Smack labels cannot contain unprintable characters or the "/" (slash)
character."
What you propose might contain unprintable characters, and it might even
be invalid UTF-8.
> Cheers,
> Kyle Moffett
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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