Blame tests/case-fold-char-class

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#!/bin/sh
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# This would fail for grep-2.5.3
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. "${srcdir=.}/init.sh"; path_prepend_ ../src
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printf 'Y\n'      > exp1 || framework_failure_
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fail=0
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for LOC in en_US.UTF-8 zh_CN $LOCALE_FR_UTF8; do
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  out=out1-$LOC
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  printf 'X\nY\nZ\n' | LC_ALL=$LOC grep -i '[y]' > $out || fail=1
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  compare exp1 $out || fail=1
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done
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printf 'y\n'      > exp2 || framework_failure_
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for LOC in en_US.UTF-8 zh_CN $LOCALE_FR_UTF8; do
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  out=out2-$LOC
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  printf 'x\ny\nz\n' | LC_ALL=$LOC grep -i '[Y]' > $out || fail=1
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  compare exp2 $out || fail=1
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done
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Exit $fail