gboolean psppire_window_get_unsaved (PsppireWindow *);
gint psppire_window_query_save (PsppireWindow *);
void psppire_window_save (PsppireWindow *w);
gboolean psppire_window_get_unsaved (PsppireWindow *);
gint psppire_window_query_save (PsppireWindow *);
void psppire_window_save (PsppireWindow *w);