bug#5177: 23.1.90; scrollbar thumb stops working after being dragged

Ken Brown ha scritto:
>
> It would be helpful if a few people who have built emacs on other
> systems could see if they can reproduce this bug. And if you could
> report which version of Gtk+ you have, that might help narrow the
> problem down.

On Kubuntu-8.04 GTK+ is 2.12.9 and on Kubuntu-9.10 it is 2.18.3 (as on 
Cygwin). If it is a GTK+ problem, why other GTK+ applications do not 
show that behavior?

...and, it look to me that 23.1 (and the build I did with 
CVS-2009.11.14) work better. But perhaps I am wrong (a sort of illusion :-()

Ciao,
Angelo.