Mon, 02 Apr 2012 16:35:09 +0200 wenzelm refined define/abbrev: allow extra fixes in aux. context vs. bottom target (NB: export_term expands defined variables, leaving fixed ones);
Mon, 02 Apr 2012 15:42:50 +0200 wenzelm more general Local_Theory.restore, allow any nesting level;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip