[Bug localedata/31149] combining characters (accents) misclassified as punct rather than alpha

["vincent-srcware at vinc17 dot net" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=31149

--- Comment #2 from Vincent Lefèvre <vincent-srcware at vinc17 dot net> ---
(In reply to Florian Weimer from comment #1)
> Isn't the larger issue here that it's reasonable to expect that [[:alpha:]]
> matches a single letter as perceived by the user: an entire grapheme cluster
> comprising the base character(s), its associated combining characters and
> other marks. [...]

I don't think so. The functions iswctype(), iswalpha(), etc. take a single
code-point (type wint_t), and the regex(7) man page says:

  Within a bracket expression, the name of a character class enclosed
  in "[:" and ":]" stands for the list of all characters belonging to
  that class. Standard character class names are:

        alnum   digit   punct
        alpha   graph   space
        blank   lower   upper
        cntrl   print   xdigit

  These stand for the character classes defined in wctype(3). [...]

so that it is expected that [[:alpha:]] matches a single character, like the
above functions.

-- 
You are receiving this mail because:
You are on the CC list for the bug.