preparing 2.4.17 release updated and rebuilt the docs fixed a comment

* configure.in: preparing 2.4.17 release
* doc/*: updated and rebuilt the docs
* xpath.c: fixed a comment
* python/libxml.c: fixed a possible reentrancy problem
Daniel
diff --git a/doc/contribs.html b/doc/contribs.html
index d3ad65b..19f98a7 100644
--- a/doc/contribs.html
+++ b/doc/contribs.html
@@ -89,43 +89,39 @@
     and Solaris port.</li>
 <li>John Fleck helps maintaining the documentation and man pages.</li>
 <li>
-<a href="mailto:ari@lusis.org">Ari Johnson</a>
-     provides a  C++ wrapper for libxml:<br>
+<a href="mailto:ari@lusis.org">Ari Johnson</a> provides a  C++ wrapper
+    for libxml:<br>
     Website: <a href="http://lusis.org/~ari/xml++/">http://lusis.org/~ari/xml++/</a><br>
     Download: <a href="http://lusis.org/~ari/xml++/libxml++.tar.gz">http://lusis.org/~ari/xml++/libxml++.tar.gz</a>
 </li>
 <li>
-<a href="mailto:izlatkovic@daenet.de">Igor  Zlatkovic</a>
-     is now the maintainer of the Windows port, <a href="http://www.fh-frankfurt.de/~igor/projects/libxml/index.html">he
+<a href="mailto:izlatkovic@daenet.de">Igor  Zlatkovic</a> is now the
+    maintainer of the Windows port, <a href="http://www.fh-frankfurt.de/~igor/projects/libxml/index.html">he
     provides binaries</a>
 </li>
 <li>
-<a href="mailto:Gary.Pennington@sun.com">Gary Pennington</a>
-     provides <a href="http://garypennington.net/libxml2/">Solaris
-    binaries</a>
+<a href="mailto:Gary.Pennington@sun.com">Gary Pennington</a> provides
+    <a href="http://garypennington.net/libxml2/">Solaris binaries</a>
 </li>
 <li>
 <a href="http://mail.gnome.org/archives/xml/2001-March/msg00014.html">Matt
-    Sergeant</a>
-     developped <a href="http://axkit.org/download/">XML::LibXSLT</a>, a perl
-    wrapper for libxml2/libxslt as part of the <a href="http://axkit.com/">AxKit XML application server</a>
+    Sergeant</a> developped <a href="http://axkit.org/download/">XML::LibXSLT</a>, a perl wrapper for
+    libxml2/libxslt as part of the <a href="http://axkit.com/">AxKit XML
+    application server</a>
 </li>
 <li>
-<a href="mailto:fnatter@gmx.net">Felix Natter</a>
-     and <a href="mailto:geertk@ai.rug.nl">Geert Kloosterman</a> provide <a href="libxml-doc.el">an emacs module</a> to lookup libxml(2) functions
+<a href="mailto:fnatter@gmx.net">Felix Natter</a> and <a href="mailto:geertk@ai.rug.nl">Geert Kloosterman</a> provide <a href="libxml-doc.el">an emacs module</a> to lookup libxml(2) functions
     documentation</li>
 <li>
-<a href="mailto:sherwin@nlm.nih.gov">Ziying Sherwin</a>
-     provided <a href="http://xmlsoft.org/messages/0488.html">man
-  pages</a>
+<a href="mailto:sherwin@nlm.nih.gov">Ziying Sherwin</a> provided <a href="http://xmlsoft.org/messages/0488.html">man pages</a>
 </li>
 <li>there is a module for <a href="http://acs-misc.sourceforge.net/nsxml.html">libxml/libxslt support
     in OpenNSD/AOLServer</a>
 </li>
 <li>
-<a href="mailto:dkuhlman@cutter.rexx.com">Dave Kuhlman</a>
-     provides libxml/libxslt <a href="http://www.rexx.com/~dkuhlman">wrappers
-    for Python</a>
+<a href="mailto:dkuhlman@cutter.rexx.com">Dave Kuhlman</a> provides
+    libxml/libxslt <a href="http://www.rexx.com/~dkuhlman">wrappers for
+    Python</a>
 </li>
 <li>Petr Kozelka provides <a href="http://sourceforge.net/projects/libxml2-pas">Pascal units to glue
     libxml2</a> with Kylix and Delphi and other Pascal compilers</li>