2009-10-17 wenzelm 2009-10-17 eliminated hard tabulators, guessing at each author's individual tab-width; tuned headers;
2009-10-17 wenzelm 2009-10-17 explicitly qualify Drule.standard;
2009-10-15 wenzelm 2009-10-15 replaced String.concat by implode; replaced String.concatWith by space_implode; replaced (Seq.flat o by Seq.maps; replaced List.mapPartial by map_filter; replaced List.concat by flat; replaced (flat o map) by maps, which produces less garbage;
2009-09-28 haftmann 2009-09-28 avoid compound fields in datatype info record
2009-09-27 haftmann 2009-09-27 adjusted to changes in datatype package
2009-07-26 wenzelm 2009-07-26 SUBPROOF/Obtain.result: named params;
2009-07-24 wenzelm 2009-07-24 renamed functor ProjectRuleFun to Project_Rule; renamed structure ProjectRule to Project_Rule;
2009-07-23 wenzelm 2009-07-23 renamed simpset_of to global_simpset_of, and local_simpset_of to simpset_of -- same for claset and clasimpset;
2009-07-22 haftmann 2009-07-22 set intersection and union now named inter and union
2009-07-22 haftmann 2009-07-22 explicit antiquotation
2009-07-21 haftmann 2009-07-21 dropped ancient flat_names option
2009-07-15 wenzelm 2009-07-15 more antiquotations;
2009-07-03 haftmann 2009-07-03 nominal.ML is nominal_datatype.ML