bool warned = false;

                mprf(MSGCH_WARN, "Bogosity: mgrd at %d,%d points at %s, but monster is at %d,%d",

                mprf(MSGCH_WARN,
                     "Bogosity: mgrd at %d,%d points at %s, "
                     "but monster is at %d,%d",

                warned = true;

        }
    for (int i = 0; i < MAX_MONSTERS; ++i)
    {
        const monsters *m = &menv[i];
        if (!m->alive())
            continue;
        if (mgrd(m->pos()) != i)
        {
            mprf(MSGCH_WARN, "Floating monster: %s at (%d,%d)",
                 m->name(DESC_PLAIN).c_str(), m->x, m->y);
            warned = true;

    }
    // If there are warnings, force the dev to notice. :P
    if (warned)
        more();