File: case-fold-backref

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#!/bin/sh
# This would fail for grep-2.5.3
. "${srcdir=.}/init.sh"; path_prepend_ ../src

printf '%s foo\n' foo fOo Foo FOO > exp1 || framework_failure_
fail=0

for LOC in en_US.UTF-8 en_US zh_CN $LOCALE_FR_UTF8 C; do
  out=out1-$LOC
  LC_ALL=$LOC grep -Ei '(foo) \1' exp1 > $out || fail=1
  compare exp1 $out || fail=1
done

Exit $fail