compare with
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=423961
(I looked to see if any of it can be fixed in xterm, but googling on "metacity xtsessionid" found this). In turn that leads to
http://bugzilla.gnome.org/show_bug.cgi?id=341286
So it does not look like xterm.
compare with
http:// bugs.debian. org/cgi- bin/bugreport. cgi?bug= 423961
(I looked to see if any of it can be fixed in xterm, but googling
on "metacity xtsessionid" found this). In turn that leads to
http:// bugzilla. gnome.org/ show_bug. cgi?id= 341286
So it does not look like xterm.