was chosen
Patch by Marek Kasik.
* gtk/gtk.symbols:
* gtk/gtkprinter.[hc]: Add gtk_printer_get_default_page_size.
* gtk/gtkprintbackend.[hc]: Add fallback implementation.
* modules/printbackends/file/gtkprintbackendfile.c:
* modules/printbackends/cups/gtkprintbackendcups.c: Implement
get_default_page_size.
* gtk/gtkpagesetupunixdialog.c: When selecting a different printer,
select its default paper size.
* gtk/gtkprintunixdialog.c: If no explicit page setup has been set,
use the printer default.
* gtk/gtkprintoperation-unix.c: Don't create an empty page setup
if we don't have a default page setup.
svn path=/trunk/; revision=20120