Wed, 31 Jan 2001 22:14:53 +0100 wenzelm added strip_blanks;
Wed, 31 Jan 2001 16:35:46 +0100 oheimb added attribute declarations, etc.
Wed, 31 Jan 2001 10:15:55 +0100 oheimb improved theory reference in comment
Wed, 31 Jan 2001 10:15:01 +0100 oheimb added diff_single_insert and subset_image_iff
(0) -10000 -3000 -1000 -300 -100 -30 -10 -4 +4 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip