Now, even with an earlier version of pd (0.48.1) the problem occurs.
Meanwhile I upgraded my OS so I suspect this to be responsible, but I cannot further investigate for now.
Sorry for the noise...
JYG

From:
IOhannes m zmölnig <zmoelnig@iem.at>
Date:
20/09/2018 13:48
To:
pd-list@lists.iem.at

On 9/18/18 11:10 AM, Jean-Yves Gratius wrote:
since pd 0.48-2, when I open from Pd some helpfiles or tutorials, the
title bar of the opened patch is above the upper border of my screen. I
cannot access it.
which version was the last one that worked?
does it still work? (aka: has the window-manager changed?)

fmasdr
IOhannes