GNU bug report logs - #10576
Subject: 23.4; char class [:lower:] misses latin small letter sharp s

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Package: emacs;

Reported by: Andreas Röhler <andreas.roehler <at> easy-emacs.de>

Date: Sun, 22 Jan 2012 13:26:02 UTC

Severity: normal

Merged with 16731

Found in version 24.3.50

Fixed in version 28.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Andreas Röhler <andreas.roehler <at> easy-emacs.de>
Cc: 10576 <at> debbugs.gnu.org
Subject: bug#10576: Subject: 23.4; char class [:lower:] misses latin small letter sharp s
Date: Sun, 22 Jan 2012 15:04:38 +0100

Andreas Röhler <andreas.roehler <at> easy-emacs.de> writes:

> evaluating the form below results in "0", i.e. no move
>
> (skip-chars-forward "[:lower:]")ß
>
> AFAIU [:lower:] doesn't recognise that char

That's because ?ß has no upper case, so lowercasep in src/buffer.h
return 0.

(Actually in Unicode, ?ß does have a capital variant, ?ẞ, but while
lowercasing ?ẞ maps to ?ß, uppercasing ?ß actually maps to "SS".)

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
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This bug report was last modified 3 years and 309 days ago.

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