2001-06-07  Almer S. Tigelaar  <almer@gnome.org>

	* src/consolidate.c (retrieve_col_tree): Ignore
	empty values.
	(retrieve_row_tree): Idem.
	(key_list_get): Idem.
	(key_list_free): Burn.
	(colrow_consolidate): Free the lists directly instead
	of calling key_list_free.
	(simple_consolidate): Add flag, we don't want
	range merge optimizations on simple consolidations.
	(consolidate_apply): Adjust call to simple_consolidate.
	(cb_col_tree): Idem.
	(cb_row_tree): Idem.