Wed, 13 May 1998 12:20:53 +0200 wenzelm pure_nonterms;
Wed, 13 May 1998 12:20:28 +0200 wenzelm added fail_with and adapted !!;
Wed, 13 May 1998 12:19:01 +0200 wenzelm gen_attr: fixed order of evaluation;
(0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip