Remove code concerning the obsolete Set/Unset Undo

 Even if they are no-ops now, the commands Set/Unset Undo themselves
 are kept for compatibility, in particular to avoid error messages
 or warnings during the initialization of ProofGeneral.

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14451 85f007b7-540e-0410-9357-904b9bb8a0f7

1 files changed, 0 insertions, 13 deletions

diff --git a/doc/refman/RefMan-pro.tex b/doc/refman/RefMan-pro.tex
index d73ab5d2c..c781c8274 100644
--- a/doc/refman/RefMan-pro.tex
+++ b/doc/refman/RefMan-pro.tex
@@ -211,7 +211,6 @@ backtracks one step.
 
 \begin{ErrMsgs}
 \item \errindex{No focused proof (No proof-editing in progress)}
-\item \errindex{Undo stack would be exhausted}
 \end{ErrMsgs}
 
 \begin{Variants}
@@ -222,18 +221,6 @@ backtracks one step.
 
 \end{Variants}
 
-\subsection[\tt Set Undo {\num}.]{\tt Set Undo {\num}.\comindex{Set Undo}}
-
-This command changes the maximum number of {\tt Undo}'s that will be
-possible when doing a proof. It only affects proofs started after
-this command, such that if you want to change the current undo limit
-inside a proof, you should first restart this proof.
-
-\subsection[\tt Unset Undo.]{\tt Unset Undo.\comindex{Unset Undo}}
-
-This command resets the default number of possible {\tt Undo} commands
-(which is currently 12).
-
 \subsection[\tt Restart.]{\tt Restart.\comindex{Restart}}
 This command restores the proof editing process to the original goal.