src/Pure/Syntax/ast.ML
Fri, 12 Aug 1994 11:01:18 +0200 lcp updated reference to parents
Thu, 03 Feb 1994 13:59:00 +0100 wenzelm minor internal changes;
Wed, 19 Jan 1994 14:13:23 +0100 wenzelm cosmetic changes;
Mon, 04 Oct 1993 15:30:49 +0100 wenzelm lots of internal cleaning and tuning;
Thu, 16 Sep 1993 12:20:38 +0200 clasohm Initial revision
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