Function loopvrev

source/src/editing.cpp:367–371

    int u = 0, r = 0;
    maxremain /= sizeof(sqr);
    loopvrev(undos)
    {
        u += undos[i]->xs * undos[i]->ys;
        if(u > maxremain) freeblockp(undos.remove(i));
    }
    loopvrev(redos)
    {
        r += redos[i]->xs * redos[i]->ys;