Re: [bug #36567] grep -i (case-insensitive) is broken with UTF8

[Johannes Meixner]

Hello,

On Jun 15 15:00 Johannes Meixner wrote (excerpt):
> ... not handled correctly in grep-2.7

Same with grep 2.12
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$ export LC_ALL=el_GR.utf8 ; export LANG=el_GR.utf8

$ echo -e '\0316\0243\0316\0243' >SS

$ echo -e '\0316\0243\0317\0202' >Sf

$ echo -e '\0317\0203\0317\0202' >sf

$ echo -e '\0317\0203\0317\0203' >ss

$ grep -q -i -f SS ss && echo yes || echo no
yes

$ grep -q -i -f ss SS && echo yes || echo no
yes

$ grep -q -i -f Sf sf && echo yes || echo no
yes

$ grep -q -i -f sf Sf && echo yes || echo no
yes

$ grep -q -i -f SS sf && echo yes || echo no
no

$ grep -q -i -f sf SS && echo yes || echo no
no

$ export LC_ALL=de_DE.utf8 ; export LANG=de_DE.utf8

$ echo -e 'hei\0303\0237' >heif

$ echo 'HEISS' >HEISS

$ grep -q -i -f heif HEISS && echo yes || echo no
no

$ grep -q -i -f HEISS heif && echo yes || echo no
no

$ grep -V
grep (GNU grep) 2.12
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by Mike Haertel and others, see 
<http://git.sv.gnu.org/cgit/grep.git/tree/AUTHORS>.
-------------------------------------------------------------------------


Kind Regards
Johannes Meixner
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