# HG changeset patch # User kuncar # Date 1358168604 -3600 # Node ID 2840522a936dd257dac52213ebef024f6c799b7e # Parent a2a1a5907f7ba7988aa99766d956ae4ca41dda70 NEWS diff -r a2a1a5907f7b -r 2840522a936d NEWS --- a/NEWS Mon Jan 14 13:43:58 2013 +0100 +++ b/NEWS Mon Jan 14 14:03:24 2013 +0100 @@ -162,6 +162,14 @@ switched on by default, and can be switched off by setting the configuration quickcheck_optimise_equality to false. +* Quotient: only one quotient can be defined by quotient_type +INCOMPATIBILITY. + +* Lifting: + - generation of an abstraction function equation in lift_definition + - quot_del attribute + - renamed no_abs_code -> no_code (INCOMPATIBILITY.) + * Simproc "finite_Collect" rewrites set comprehensions into pointfree expressions. @@ -371,6 +379,19 @@ with support for mixed, nested recursion and interesting non-free datatypes. +* HOL/Finite_Set and Relation: added new set and relation operations +expressed by Finite_Set.fold. + +* New theory HOL/Library/RBT_Set: implementation of sets by red-black +trees for the code generator. + +* HOL/Library/RBT and HOL/Library/Mapping have been converted to +Lifting/Transfer. +possible INCOMPATIBILITY. + +* HOL/Set: renamed Set.project -> Set.filter +INCOMPATIBILITY. + *** Document preparation ***