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@@ -41,6 +41,16 @@ Tactics
"debug trivial" or by a global "Set Debug Auto/Eauto/Trivial".
- New command "r string" that interprets "idtac string" as a breakpoint
and jumps to its next use in Ltac debugger.
+- Tactic "tauto" was exceptionally able to destruct other connectives
+ than the binary connectives "and", "or", "prod", "sum", "iff". This
+ non-uniform behavior has been fixed (bug #2680) and tauto is
+ slightly weaker. On the opposite side, new tactic "dtauto" is able
+ to destruct any record-like inductive types, superseding the old
+ version of "tauto".
+- Similarly, "intuition" has been made more uniform and, where it now
+ fails, "dintuition" can be used. Moreover, both of them are now only
+ lazily unfolding the occurrences of "not" in goal. Some extra
+ "unfold not in *" might have to be added for compatibility.
Libraries