reference: pygtk-gtkbutton.xml: mark deprecated methods and signals
reference: pygtk-gtkbutton.xml: mark deprecated methods and signals

Distrotech/pygtk,nzjrs/pygtk,Distrotech/pygtk,nzjrs/pygtk,GNOME/pygtk,amremam2004/pygtk,nzjrs/pygtk,amremam2004/pygtk,GNOME/pygtk,Distrotech/pygtk,GNOME/pygtk,amremam2004/pygtk