Mon, 06 Feb 2006 20:59:08 +0100 wenzelm added add_abbrevs(_i);
Mon, 06 Feb 2006 20:59:07 +0100 wenzelm moved (beta_)eta_contract to envir.ML;
Mon, 06 Feb 2006 20:59:06 +0100 wenzelm tuned;
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