Update prerequisites.

* doc/README.txt: Mention Ncurses in the README.  Update the
version of Xerces-C++.
* doc/manual/TFKD-ch0.tex: Update prerequisites.

ChangeLog

+2011-11-22  Alexandre Duret-Lutz  <adl@lrde.epita.fr>
+
+	Update prerequisites.
+
+	* doc/README.txt: Mention Ncurses in the README.  Update the
+	version of Xerces-C++.
+	* doc/manual/TFKD-ch0.tex: Update prerequisites.
+
 2011-11-20  Alexandre Duret-Lutz  <adl@lrde.epita.fr>
 	Add option to list commands with their input and output specifications.

doc/README.txt

@@ -94,7 +94,7 @@ visualize these ``.dot`` files or run the test suite.
 .. _Graphviz: http://www.research.att.com/sw/tools/graphviz/
 
 The XML I/O system is based on the Apache `Xerces-C++`_ library
-version 2.3 or above.
+version 2.7 or above.
 
 .. _Xerces-C++: http://xml.apache.org/xerces-c/
 
@@ -114,6 +114,12 @@ is used in algorithms only, but its use shall be extended to automata
 structures and other portions of code. You must install this library
 on your system.  Vaucanson should support any version after 1.34.
 
+.. _Ncurses: http://www.gnu.org/s/ncurses/
+
+Ncurses_ is used by the interactive editor of TAF-Kit.  We use only a
+very small part of its stable interface so any version should work.
+If Ncurses_ is not installed on your system, the compilation of
+TAF-Kit will be disabled.
 
 Libraries installed in non-standard directories
 -----------------------------------------------

doc/manual/TFKD-ch0.tex

@@ -3,7 +3,7 @@
 \section{Getting \vcsnv}
 The version \VcsnVersion\xspace of the \vcsn platform can be downloaded
 from \\
-\code{http://www.lrde.epita.fr/cgi-bin/twiki/view/Vaucanson/Vaucanson\VcsnVersion}
+\code{http://vaucanson.lrde.epita.fr/Vaucanson\VcsnVersion}
 
 Other previous versions of the \vcsn platform can be downloaded
 from \\
@@ -27,12 +27,12 @@ software).
 \label{sec:pre-req}%
 
 \begin{description}
-\item[\Cpp compiler] \code{G++ 4.x} where \code{x} $<$ 5.
+\item[\Cpp compiler] \code{G++ 4.x} or later.
 
 \item[\XML] The \XML I/O system is based on the use of the Apache \code{Xerces}
-  \Cpp library version 2.7+ (\code{http://apache.org/xerces-c/}). (On
-  Ubuntu/Debian, install the following packages: \code{libxerces27} and
-  \code{libxerces28-dev}, or \code{libxerces28} and \code{libxerces28-dev}).
+  \Cpp library version 2.7 or later (\code{http://apache.org/xerces-c/}). (On
+  Ubuntu/Debian, install packages with names similar to: \code{libxerces28} and \code{libxerces28-dev},
+  or \code{libxerces-c3.1} and \code{libxerces-c-dev}),
 \Indextt{Xerces}%
 
 \item[\code{Boost}] \code{Boost} provides free peer-reviewed
@@ -40,10 +40,7 @@ portable \Cpp source
   libraries (On Ubuntu/Debian, install the following packages:
   l\code{ibboost-dev}, \code{libboost-serialization-dev}, \code{libboost-graph},
   \code{libboost-graph-dev}).
-  \vcsn is compatible with \code{Boost} versions $>$= \code{1.34}. It shall be
-  noted that with \code{Boost 1.44}, a special flag must be given to the
-  compiler through the configure file:
-  \code{CPPFLAGS='-DBOOST\_SPIRIT\_USE\_OLD\_NAMESPACE'}.
+  \vcsn is compatible with \code{Boost} versions \code{1.34} or later.
 \Indextt{Boost}%
 
 \item[\code{Ncurses}] needed for building \tafkit  (On Ubuntu/Debian, install
@@ -207,4 +204,4 @@ settings in the interface.
 
 
 \endinput
-%%%%%%%%%%%
\ No newline at end of file
+%%%%%%%%%%%