Updating documentation of replace and correcting a typo in error message of replace.

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@8950 85f007b7-540e-0410-9357-904b9bb8a0f7

1 files changed, 15 insertions, 5 deletions

diff --git a/doc/refman/RefMan-tac.tex b/doc/refman/RefMan-tac.tex
index 4946be8f2..0c60a4ea7 100644
--- a/doc/refman/RefMan-tac.tex
+++ b/doc/refman/RefMan-tac.tex
@@ -1540,17 +1540,27 @@ symmetric form occurs.  It is equivalent to {\tt cut
 \term$_2$=\term$_1$; [intro H{\sl n}; rewrite <- H{\sl n}; clear H{\sl
 n}| assumption || symmetry; try assumption]}.
 
+\begin{ErrMsgs}
+\item \errindex{terms do not have convertible types}
+\end{ErrMsgs}
+
 \begin{Variants}
   
 \item {\tt replace {\term$_1$} with {\term$_2$} in \ident}\\
   This replaces {\term$_1$} with {\term$_2$} in the hypothesis named
   {\ident}, and generates the subgoal {\term$_2$}{\tt =}{\term$_1$}. 
 
-  \begin{ErrMsgs}
-  \item \errindex{No such hypothesis} : {\ident}
-  \item \errindex{Nothing to rewrite in {\ident}}
-  \end{ErrMsgs}
-
+%   \begin{ErrMsgs}
+%   \item \errindex{No such hypothesis} : {\ident}
+%   \item \errindex{Nothing to rewrite in {\ident}}
+%   \end{ErrMsgs}
+
+\item {\tt replace {\term$_1$} with  {\term$_2$} by \tac} This acts as
+  {\tt  replace {\term$_1$}  with {\term$_2$}}  but try  to  solve the
+  generated subgoal {\tt \term$_2$=\term$_1$} using {\tt \tac}.
+\item {\tt replace {\term$_1$} with  {\term$_2$} in \ident by \tac} This acts as
+  {\tt  replace {\term$_1$}  with {\term$_2$} in \ident}  but try  to  solve the
+  generated subgoal {\tt \term$_2$=\term$_1$} using {\tt \tac}.
 \end{Variants}
 
 \subsection{\tt reflexivity