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bug#6576: documentation `string-to-char' is incorrect


From: Eli Zaretskii
Subject: bug#6576: documentation `string-to-char' is incorrect
Date: Wed, 07 Jul 2010 17:23:40 +0300

> From: Andreas Schwab <address@hidden>
> Cc: address@hidden,  address@hidden
> Date: Wed, 07 Jul 2010 14:16:28 +0200
> 
> Eli Zaretskii <address@hidden> writes:
> 
> >> From: Andreas Schwab <address@hidden>
> >> Cc: MON KEY <address@hidden>,  address@hidden
> >> Date: Wed, 07 Jul 2010 10:40:00 +0200
> >> 
> >> Eli Zaretskii <address@hidden> writes:
> >> 
> >> >   "Return the Unicode codepoint of the first character of STRING.
> >> 
> >> This is not correct.  The value is just the internal encoding of the
> >> character.
> >
> > Which is Unicode, AFAIK.
> 
> No, it is an extension of Unicode.  Eight-bit characters, for example,
> are not part of Unicode.

And that's why there's this note:

> >> >   Note: eight-bit characters are returned as single-byte values in the
> >> >   range 160 to 255, inclusive."
> >> 
> >> That depends on the multibyteness of the string.
> >
> > Eight-bit characters are defined as such only in multibyte strings.
> 
> That makes it even more incorrect.  For multibyte strings you'll get the
> internal encoding, which is not in the range 160 to 255.

Sounds like a bug, assuming it's true.





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