Fri, 31 Mar 2006 10:53:33 +0200 paulson removed some illegal characters: they were crashing SML/NJ
Fri, 31 Mar 2006 10:52:20 +0200 paulson Removal of unused code
Tue, 28 Mar 2006 16:48:18 +0200 paulson Simplified version of Jia's filter. Now all constants are pooled, rather than
Tue, 28 Mar 2006 12:11:33 +0200 schirmer renamed map_val to map_ran
Tue, 28 Mar 2006 12:05:45 +0200 schirmer added map_val, superseding map_at and substitute
Tue, 28 Mar 2006 10:13:51 +0200 haftmann some internal cleanup
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