gistfile1.txt

    // can we fit in the skill level? (e.g. 'skill3')
    if ((end - cursor) - maplen >= 6)
     {
        // M_snprintf writes a \0 that we don't need, hence 7 here
        M_snprintf(cursor, 7, "skill%1d", startskill);
        cursor += 6;
}