set +e
+require_locale en_US.utf-8 en_US.utf8
# Don't use run_prog here because it loses the environment setting.
-LC_CTYPE=en_US.UTF-8 pick -subject foobar 13 >"$actual" 2>&1
+LC_ALL=en_US.UTF-8 pick -subject foobar 13 >"$actual" 2>&1
set -e
check "$expected" "$actual"