Sat, 10 Nov 2007 23:04:00 +0100 wenzelm update_modesyntax: based on Syntax.update_const_gram (avoids duplicates);
Sat, 10 Nov 2007 23:03:57 +0100 wenzelm similar_types: uniform treatment of TFrees/TVars;
Sat, 10 Nov 2007 23:03:56 +0100 wenzelm notation: based on Syntax.update_const_gram (avoids duplicates);
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