int keyin = (check_range ? 0 : '?');

    int keyin = 0;

        Options.target_range = _calc_spell_range(spell);
        viewwindow(true, false);

        delay(500);
        Options.target_range = 0;
        viewwindow(true, false);

        if (Options.target_range != -1)
        {
            Options.target_range = _calc_spell_range(spell);
            viewwindow(true, false);
            delay(500);
            Options.target_range = 0;
            viewwindow(true, false);
        }

    if (you.is_undead || one_chance_in(4)
        || player_mutation_level(MUT_MUTATION_RESISTANCE) == 3)

    if (you.is_undead || one_chance_in(4))

    target_range           = 0; // -1 -> grey out targets out of range

    }
    else if (key == "darken_beyond_range")
    {
        if (!_read_bool(field, target_range != -1))
            target_range = -1;

    do_anything = (range >= 0);
    if (do_anything)

    if (range >= 0)

        Options.target_range = range;
        // Repaint.
//         viewwindow(true, false);

#ifndef USE_TILE
        if (Options.target_range != -1)
#endif
            Options.target_range = range;

    if (!do_anything)
        return;

    do_anything = false;

# darken_beyond_range = false

darken_beyond_range = true
        If set to true, everything beyond range when targeting will be
        coloured grey. Setting this to false will also suppress the brief
        flash if there are no visible monsters within range, both for
        ASCII and the Tiles version.