Tue, 25 Jul 2006 21:18:09 +0200 wenzelm added variant_abs (from term.ML);
Tue, 25 Jul 2006 21:18:08 +0200 wenzelm added find_free (from term.ML);
Tue, 25 Jul 2006 21:18:07 +0200 wenzelm added is/to_ascii_lower/upper;
Tue, 25 Jul 2006 21:18:06 +0200 wenzelm is_funtype: do not export internal operation;
Tue, 25 Jul 2006 21:18:05 +0200 wenzelm tuned;
Tue, 25 Jul 2006 21:18:04 +0200 wenzelm use Term.add_vars instead of obsolete term_varnames;
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