std::string spell_range_string(spell_type spell);

    // spell power, hunger level, level
    desc << std::setw(30) << spell_power_string(spell)

    // spell power, spell range, hunger level, level
    desc << std::setw(14) << spell_power_string(spell)
         << std::setw(16) << spell_range_string(spell)

            " Your Spells                      Type            "
            "              Success   Level",
            " Your Spells                      Power           "
            "              Hunger    Level",

            " Your Spells                      Type          "
            "                Success   Level",
            " Your Spells                      Power         "
            "Range           Hunger    Level",

std::string spell_range_string(spell_type spell)
{
    const int cap = spell_power_cap(spell);
    const int power = calc_spell_power(spell, true);
    const int range = spell_range(spell, power, false);
    const int maxrange = spell_range(spell, cap, false);
    if (range < 0)
        return "N/A";
    else
        return std::string("@") + std::string(range, '.')
            + std::string(maxrange - range, ',');
}

    virtual ~power_deducer() {}