my $truth = truth($matches && (utf8::native_to_unicode($i) < 128 || $i > 255));
is ($ret, $truth, "is${function}_LC_utf8( $display_name ) == $truth (C locale)");
}
my $truth = truth($matches && (utf8::native_to_unicode($i) < 128 || $i > 255));
is ($ret, $truth, "is${function}_LC_utf8( $display_name ) == $truth (C locale)");
}