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#!/bin/sh
# Check that case folding works even with titlecase characters.
# Copyright 2014 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
. "${srcdir=.}/init.sh"; path_prepend_ ../src
require_en_utf8_locale_
require_compiled_in_MB_support
LC_ALL=en_US.UTF-8
export LC_ALL
fail=0
LJ='\307\207' # U+01C7 LATIN CAPITAL LETTER LJ
Lj='\307\210' # U+01C8 LATIN CAPITAL LETTER L WITH SMALL LETTER J
lj='\307\211' # U+01C9 LATIN SMALL LETTER LJ
pattern=$(printf "$Lj\n") || framework_failure_
printf "$lj$lj\n$Lj$Lj\n$LJ$LJ\n" >in || framework_failure_
grep -i "$pattern" in >out || fail=1
compare in out || fail=1
pattern="($pattern)\\1"
grep -Ei "$pattern" in >out || fail=1
compare in out || fail=1
Exit $fail
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