2007-06-03  Jean Brefort  <jean.brefort@normalesup.org>

	* src/collect.c: (gnm_slist_sort_merge), (gnm_strip_missing),
	(float_range_function2): replace union_of_int_sets by a more
	performant functon, and rename strip_missing.
	* src/collect.h: ditto.


svn path=/trunk/; revision=15585