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/index.html b/doc/index.html
index 14ac3f1..5547e7e 100644
--- a/doc/index.html
+++ b/doc/index.html
@@ -99,8 +99,8 @@
 <li>XML Base: <a href="http://www.w3.org/TR/xmlbase/">http://www.w3.org/TR/xmlbase/</a>
 </li>
 <li>
-<a href="http://www.cis.ohio-state.edu/rfc/rfc2396.txt">RFC 2396</a>
-     : Uniform Resource Identifiers <a href="http://www.ietf.org/rfc/rfc2396.txt">http://www.ietf.org/rfc/rfc2396.txt</a>
+<a href="http://www.cis.ohio-state.edu/rfc/rfc2396.txt">RFC 2396</a> :
+    Uniform Resource Identifiers <a href="http://www.ietf.org/rfc/rfc2396.txt">http://www.ietf.org/rfc/rfc2396.txt</a>
 </li>
 <li>XML Path Language (XPath) 1.0: <a href="http://www.w3.org/TR/xpath">http://www.w3.org/TR/xpath</a>
 </li>
@@ -127,11 +127,11 @@
     it doesn't implement the API itself, gdome2 does this in top of
   libxml2</li>
 <li>
-<a href="http://www.cis.ohio-state.edu/rfc/rfc959.txt">RFC 959</a>
-     : libxml implements a basic FTP client code</li>
+<a href="http://www.cis.ohio-state.edu/rfc/rfc959.txt">RFC 959</a> :
+    libxml implements a basic FTP client code</li>
 <li>
-<a href="http://www.cis.ohio-state.edu/rfc/rfc1945.txt">RFC 1945</a>
-     : HTTP/1.0, again a basic HTTP client code</li>
+<a href="http://www.cis.ohio-state.edu/rfc/rfc1945.txt">RFC 1945</a> :
+    HTTP/1.0, again a basic HTTP client code</li>
 <li>SAX: a minimal SAX implementation compatible with early expat
   versions</li>
 <li>DocBook SGML v4: libxml2 includes a hackish parser to transition to
@@ -143,12 +143,11 @@
 <p>Separate documents:</p>
 <ul>
 <li>
-<a href="http://xmlsoft.org/XSLT/">the libxslt page</a>
-     providing an implementation of XSLT 1.0 and extensions on top of
-  libxml2</li>
+<a href="http://xmlsoft.org/XSLT/">the libxslt page</a> providing an
+    implementation of XSLT 1.0 and extensions on top of libxml2</li>
 <li>
 <a href="http://www.cs.unibo.it/~casarini/gdome2/">the gdome2 page</a>
-     : a standard DOM2 implementation based on libxml2</li>
+    : a standard DOM2 implementation based on libxml2</li>
 </ul>
 <p><a href="bugs.html">Daniel Veillard</a></p>
 </td></tr></table></td></tr></table></td></tr></table></td>