Fri, 17 Feb 1995 13:25:11 +0100 clasohm added check "length ts > 1" before printing ambiguity warning in infer_types
Thu, 16 Feb 1995 08:55:15 +0100 nipkow Improved test for looping rewrite rules.
Wed, 15 Feb 1995 20:02:47 +0100 regensbu replaced pair_ss by prod_ss
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