owing macro displayed the histogram out of the frame
     (option "b"):
     <pre>
     {
        gStyle->SetHistMinimumZero();
        TH1F* h = new TH1F("h","h", 44, -0.5, 43.5);
        h->SetBarWidth(0.7);
        h->SetBarOffset(0.2);
        h->SetFillColor(kGreen);
        for (int i=0;i&lt;44; i++ ) h->Fill(i, -i-60);
        h->DrawCopy("b");
     }
     </pre>
</li>
<li> It was not possible to interactively move a graph with many points
     close to each other. It was only possible to move the po