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(* Here are a sequences of scripts to test interactively with undo and
replay in coqide proof sessions *)
(* Undoing arbitrary commands, as first step *)
Theorem a:True.
Set Printing All.
assert True by trivial.
trivial.
Qed.
(* Undoing arbitrary commands, as non-first step *)
Theorem a:True.
assert True by trivial.
Set Printing All.
assert True by trivial.
trivial.
Qed.
(* Undoing declarations, as first step *)
(* was bugged in 8.1 *)
Theorem a:True.
Inductive T : Type := I.
trivial.
Qed.
(* Undoing declarations, as first step *)
(* new in 8.2 *)
Theorem a:True.
Definition b:=O.
Definition c:=O.
assert True by trivial.
trivial.
Qed.
(* Undoing declarations, as non-first step *)
(* new in 8.2 *)
Theorem a:True.
assert True by trivial.
Definition b:=O.
Definition c:=O.
assert True by trivial.
trivial.
Qed.
(* Undoing declarations, interleaved with proof steps *)
(* new in 8.2 *)
Theorem a:True.
assert True by trivial.
Definition b:=O.
assert True by trivial.
Definition c:=O.
assert True by trivial.
trivial.
Qed.
(* Undoing declarations, interleaved with proof steps and commands *)
(* new in 8.2 *)
Theorem a:True.
assert True by trivial.
Definition b:=O.
Set Printing All.
assert True by trivial.
Focus.
Definition c:=O.
assert True by trivial.
trivial.
Qed.
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