// Returns true if the duration ended.

    bool rc = false;

    if (you.duration[dur] > 1)

    you.duration[dur]--;
    if (you.duration[dur] == midpoint)

        you.duration[dur]--;
        if (you.duration[dur] == midpoint)
        {
            if (midmsg)
                mpr(midmsg, chan);
            you.duration[dur] -= midloss;
        }

        if (midmsg)
            mpr(midmsg, chan);
        you.duration[dur] -= midloss;

    // No "else", in case midloss caused the duration to end prematurely.
    // (This really shouldn't happen, else the whole point of the
    //  "begins to time out" message is lost!)
    if (you.duration[dur] <= 1)

    // allow fall-through in case midloss ended the duration (it shouldn't)
    if (you.duration[dur] == 0)

        rc = true;
        you.duration[dur] = 0;

        return true;

    return rc;

    return false;