One more note: It seems like glipper (the Gnome clipboard manager) solves this problem for some apps, eg. when running it, I can paste as expected in Xchat, Claws and Gedit but not in Piding and Openoffice.
One more note: It seems like glipper (the Gnome clipboard manager) solves this problem for some apps, eg. when running it, I can paste as expected in Xchat, Claws and Gedit but not in Piding and Openoffice.