Sun, 13 Apr 2008 16:40:05 +0200 wenzelm removed unused minimal_classes;
Sun, 13 Apr 2008 16:40:04 +0200 wenzelm added insert_sorts (from thm.ML);
Sun, 13 Apr 2008 16:40:02 +0200 wenzelm tsig: removed unnecessary universal witness;
Sun, 13 Apr 2008 14:30:23 +0200 wenzelm tuned;
Sat, 12 Apr 2008 17:00:50 +0200 wenzelm removed unnecessary Goal.close_result;
Sat, 12 Apr 2008 17:00:48 +0200 wenzelm replaced Drule.close_derivation/Goal.close_result by Thm.close_derivation (removed obsolete compression);
Sat, 12 Apr 2008 17:00:47 +0200 wenzelm advance: do not count utf8 trailer bytes (which happen to be undefined or punctuation in iso-latin);
Sat, 12 Apr 2008 17:00:47 +0200 wenzelm added is_utf8_trailer;
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