GtkAllocation *allocation);
static gboolean psppire_sheet_focus_in (GtkWidget *widget,
GtkAllocation *allocation);
static gboolean psppire_sheet_focus_in (GtkWidget *widget,
container_class->add = NULL;
container_class->remove = NULL;
container_class->forall = psppire_sheet_forall;
container_class->add = NULL;
container_class->remove = NULL;
container_class->forall = psppire_sheet_forall;