Thu, 19 Jun 2008 20:34:28 +0200 huffman add lemma cfcomp_LAM
Thu, 19 Jun 2008 17:32:18 +0200 wenzelm add_abbrev: check tfrees of rhs, not tvars (addresses a lapse introduced in 1.65);
Thu, 19 Jun 2008 15:47:26 +0200 urbanc slightly tuned
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