updated the web site separated developers from common pages, made the

* NEWS doc/*.xsl doc/*.html: updated the web site separated
  developers from common pages, made the transition to XHTML1,
  added validity checking to the makefile rules.
Daniel
diff --git a/doc/catalog.html b/doc/catalog.html
index f2395c2..94d195e 100644
--- a/doc/catalog.html
+++ b/doc/catalog.html
@@ -1,103 +1,13 @@
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
-<html>
-<head>
-<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
-<link rel="SHORTCUT ICON" href="/favicon.ico">
-<style type="text/css"><!--
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" /><link rel="SHORTCUT ICON" href="/favicon.ico" /><style type="text/css">
 TD {font-family: Verdana,Arial,Helvetica}
 BODY {font-family: Verdana,Arial,Helvetica; margin-top: 2em; margin-left: 0em; margin-right: 0em}
 H1 {font-family: Verdana,Arial,Helvetica}
 H2 {font-family: Verdana,Arial,Helvetica}
 H3 {font-family: Verdana,Arial,Helvetica}
 A:link, A:visited, A:active { text-decoration: underline }
---></style>
-<title>Catalog support</title>
-</head>
-<body bgcolor="#8b7765" text="#000000" link="#000000" vlink="#000000">
-<table border="0" width="100%" cellpadding="5" cellspacing="0" align="center"><tr>
-<td width="180">
-<a href="http://www.gnome.org/"><img src="gnome2.png" alt="Gnome2 Logo"></a><a href="http://www.w3.org/Status"><img src="w3c.png" alt="W3C Logo"></a><a href="http://www.redhat.com/"><img src="redhat.gif" alt="Red Hat Logo"></a><div align="left"><a href="http://xmlsoft.org/"><img src="Libxml2-Logo-180x168.gif" alt="Made with Libxml2 Logo"></a></div>
-</td>
-<td><table border="0" width="90%" cellpadding="2" cellspacing="0" align="center" bgcolor="#000000"><tr><td><table width="100%" border="0" cellspacing="1" cellpadding="3" bgcolor="#fffacd"><tr><td align="center">
-<h1>The XML C library for Gnome</h1>
-<h2>Catalog support</h2>
-</td></tr></table></td></tr></table></td>
-</tr></table>
-<table border="0" cellpadding="4" cellspacing="0" width="100%" align="center"><tr><td bgcolor="#8b7765"><table border="0" cellspacing="0" cellpadding="2" width="100%"><tr>
-<td valign="top" width="200" bgcolor="#8b7765"><table border="0" cellspacing="0" cellpadding="1" width="100%" bgcolor="#000000"><tr><td>
-<table width="100%" border="0" cellspacing="1" cellpadding="3">
-<tr><td colspan="1" bgcolor="#eecfa1" align="center"><center><b>Main Menu</b></center></td></tr>
-<tr><td bgcolor="#fffacd">
-<form action="search.php" enctype="application/x-www-form-urlencoded" method="GET">
-<input name="query" type="TEXT" size="20" value=""><input name="submit" type="submit" value="Search ...">
-</form>
-<ul>
-<li><a href="index.html">Home</a></li>
-<li><a href="intro.html">Introduction</a></li>
-<li><a href="FAQ.html">FAQ</a></li>
-<li><a href="docs.html">Documentation</a></li>
-<li><a href="bugs.html">Reporting bugs and getting help</a></li>
-<li><a href="help.html">How to help</a></li>
-<li><a href="downloads.html">Downloads</a></li>
-<li><a href="news.html">News</a></li>
-<li><a href="XMLinfo.html">XML</a></li>
-<li><a href="XSLT.html">XSLT</a></li>
-<li><a href="python.html">Python and bindings</a></li>
-<li><a href="architecture.html">libxml architecture</a></li>
-<li><a href="tree.html">The tree output</a></li>
-<li><a href="interface.html">The SAX interface</a></li>
-<li><a href="xmldtd.html">Validation &amp; DTDs</a></li>
-<li><a href="xmlmem.html">Memory Management</a></li>
-<li><a href="encoding.html">Encodings support</a></li>
-<li><a href="xmlio.html">I/O Interfaces</a></li>
-<li><a href="catalog.html">Catalog support</a></li>
-<li><a href="library.html">The parser interfaces</a></li>
-<li><a href="entities.html">Entities or no entities</a></li>
-<li><a href="namespaces.html">Namespaces</a></li>
-<li><a href="upgrade.html">Upgrading 1.x code</a></li>
-<li><a href="threads.html">Thread safety</a></li>
-<li><a href="DOM.html">DOM Principles</a></li>
-<li><a href="example.html">A real example</a></li>
-<li><a href="contribs.html">Contributions</a></li>
-<li><a href="xmlreader.html">The Reader Interface</a></li>
-<li><a href="tutorial/index.html">Tutorial</a></li>
-<li><a href="guidelines.html">XML Guidelines</a></li>
-<li>
-<a href="xml.html">flat page</a>, <a href="site.xsl">stylesheet</a>
-</li>
-</ul>
-</td></tr>
-</table>
-<table width="100%" border="0" cellspacing="1" cellpadding="3">
-<tr><td colspan="1" bgcolor="#eecfa1" align="center"><center><b>Related links</b></center></td></tr>
-<tr><td bgcolor="#fffacd"><ul>
-<li><a href="http://mail.gnome.org/archives/xml/">Mail archive</a></li>
-<li><a href="http://xmlsoft.org/XSLT/">XSLT libxslt</a></li>
-<li><a href="http://phd.cs.unibo.it/gdome2/">DOM gdome2</a></li>
-<li><a href="http://www.aleksey.com/xmlsec/">XML-DSig xmlsec</a></li>
-<li><a href="ftp://xmlsoft.org/">FTP</a></li>
-<li><a href="http://www.zlatkovic.com/projects/libxml/">Windows binaries</a></li>
-<li><a href="http://garypennington.net/libxml2/">Solaris binaries</a></li>
-<li><a href="http://www.zveno.com/open_source/libxml2xslt.html">MacOsX binaries</a></li>
-<li><a href="http://sourceforge.net/projects/libxml2-pas/">Pascal bindings</a></li>
-<li><a href="http://bugzilla.gnome.org/buglist.cgi?product=libxml&amp;product=libxml2">Bug Tracker</a></li>
-</ul></td></tr>
-</table>
-<table width="100%" border="0" cellspacing="1" cellpadding="3">
-<tr><td colspan="1" bgcolor="#eecfa1" align="center"><center><b>API Indexes</b></center></td></tr>
-<tr><td bgcolor="#fffacd"><ul>
-<li><a href="APIchunk0.html">Alphabetic</a></li>
-<li><a href="APIconstructors.html">Constructors</a></li>
-<li><a href="APIfunctions.html">Functions/Types</a></li>
-<li><a href="APIfiles.html">Modules</a></li>
-<li><a href="APIsymbols.html">Symbols</a></li>
-</ul></td></tr>
-</table>
-</td></tr></table></td>
-<td valign="top" bgcolor="#8b7765"><table border="0" cellspacing="0" cellpadding="1" width="100%"><tr><td><table border="0" cellspacing="0" cellpadding="1" width="100%" bgcolor="#000000"><tr><td><table border="0" cellpadding="3" cellspacing="1" width="100%"><tr><td bgcolor="#fffacd">
-<p>Table of Content:</p>
-<ol>
-<li><a href="General2">General overview</a></li>
+</style><title>Catalog support</title></head><body bgcolor="#8b7765" text="#000000" link="#000000" vlink="#000000"><table border="0" width="100%" cellpadding="5" cellspacing="0" align="center"><tr><td width="180"><a href="http://www.gnome.org/"><img src="gnome2.png" alt="Gnome2 Logo" /></a><a href="http://www.w3.org/Status"><img src="w3c.png" alt="W3C Logo" /></a><a href="http://www.redhat.com/"><img src="redhat.gif" alt="Red Hat Logo" /></a><div align="left"><a href="http://xmlsoft.org/"><img src="Libxml2-Logo-180x168.gif" alt="Made with Libxml2 Logo" /></a></div></td><td><table border="0" width="90%" cellpadding="2" cellspacing="0" align="center" bgcolor="#000000"><tr><td><table width="100%" border="0" cellspacing="1" cellpadding="3" bgcolor="#fffacd"><tr><td align="center"><h1>The XML C library for Gnome</h1><h2>Catalog support</h2></td></tr></table></td></tr></table></td></tr></table><table border="0" cellpadding="4" cellspacing="0" width="100%" align="center"><tr><td bgcolor="#8b7765"><table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td valign="top" width="200" bgcolor="#8b7765"><table border="0" cellspacing="0" cellpadding="1" width="100%" bgcolor="#000000"><tr><td><table width="100%" border="0" cellspacing="1" cellpadding="3"><tr><td colspan="1" bgcolor="#eecfa1" align="center"><center><b>Main Menu</b></center></td></tr><tr><td bgcolor="#fffacd"><form action="search.php" enctype="application/x-www-form-urlencoded" method="get"><input name="query" type="text" size="20" value="" /><input name="submit" type="submit" value="Search ..." /></form><ul><li><a href="index.html">Home</a></li><li><a href="intro.html">Introduction</a></li><li><a href="FAQ.html">FAQ</a></li><li><a href="docs.html">Developer Documentation</a></li><li><a href="bugs.html">Reporting bugs and getting help</a></li><li><a href="help.html">How to help</a></li><li><a href="downloads.html">Downloads</a></li><li><a href="news.html">News</a></li><li><a href="XMLinfo.html">XML</a></li><li><a href="XSLT.html">XSLT</a></li><li><a href="xmldtd.html">Validation &amp; DTDs</a></li><li><a href="encoding.html">Encodings support</a></li><li><a href="catalog.html">Catalog support</a></li><li><a href="namespaces.html">Namespaces</a></li><li><a href="contribs.html">Contributions</a></li><li><a href="guidelines.html">XML Guidelines</a></li></ul></td></tr></table><table width="100%" border="0" cellspacing="1" cellpadding="3"><tr><td colspan="1" bgcolor="#eecfa1" align="center"><center><b>Related links</b></center></td></tr><tr><td bgcolor="#fffacd"><ul><li><a href="http://mail.gnome.org/archives/xml/">Mail archive</a></li><li><a href="http://xmlsoft.org/XSLT/">XSLT libxslt</a></li><li><a href="http://phd.cs.unibo.it/gdome2/">DOM gdome2</a></li><li><a href="http://www.aleksey.com/xmlsec/">XML-DSig xmlsec</a></li><li><a href="ftp://xmlsoft.org/">FTP</a></li><li><a href="http://www.zlatkovic.com/projects/libxml/">Windows binaries</a></li><li><a href="http://garypennington.net/libxml2/">Solaris binaries</a></li><li><a href="http://www.zveno.com/open_source/libxml2xslt.html">MacOsX binaries</a></li><li><a href="http://sourceforge.net/projects/libxml2-pas/">Pascal bindings</a></li><li><a href="http://bugzilla.gnome.org/buglist.cgi?product=libxml&amp;product=libxml2">Bug Tracker</a></li></ul></td></tr></table></td></tr></table></td><td valign="top" bgcolor="#8b7765"><table border="0" cellspacing="0" cellpadding="1" width="100%"><tr><td><table border="0" cellspacing="0" cellpadding="1" width="100%" bgcolor="#000000"><tr><td><table border="0" cellpadding="3" cellspacing="1" width="100%"><tr><td bgcolor="#fffacd"><p>Table of Content:</p><ol><li><a href="General2">General overview</a></li>
   <li><a href="#definition">The definition</a></li>
   <li><a href="#Simple">Using catalogs</a></li>
   <li><a href="#Some">Some examples</a></li>
@@ -107,17 +17,12 @@
   <li><a href="#implemento">The implementor corner quick review of the
   API</a></li>
   <li><a href="#Other">Other resources</a></li>
-</ol>
-<h3><a name="General2">General overview</a></h3>
-<p>What is a catalog? Basically it's a lookup mechanism used when an entity
+</ol><h3><a name="General2" id="General2">General overview</a></h3><p>What is a catalog? Basically it's a lookup mechanism used when an entity
 (a file or a remote resource) references another entity. The catalog lookup
 is inserted between the moment the reference is recognized by the software
 (XML parser, stylesheet processing, or even images referenced for inclusion
 in a rendering) and the time where loading that resource is actually
-started.</p>
-<p>It is basically used for 3 things:</p>
-<ul>
-<li>mapping from &quot;logical&quot; names, the public identifiers and a more
+started.</p><p>It is basically used for 3 things:</p><ul><li>mapping from &quot;logical&quot; names, the public identifiers and a more
     concrete name usable for download (and URI). For example it can associate
     the logical name
     <p>&quot;-//OASIS//DTD DocBook XML V4.1.2//EN&quot;</p>
@@ -136,70 +41,50 @@
     important feature for any significant deployment of XML or SGML since it
     allows to avoid the aleas and delays associated to fetching remote
     resources.</li>
-</ul>
-<h3><a name="definition">The definitions</a></h3>
-<p>Libxml, as of 2.4.3 implements 2 kind of catalogs:</p>
-<ul>
-<li>the older SGML catalogs, the official spec is  SGML Open Technical
+</ul><h3><a name="definition" id="definition">The definitions</a></h3><p>Libxml, as of 2.4.3 implements 2 kind of catalogs:</p><ul><li>the older SGML catalogs, the official spec is  SGML Open Technical
     Resolution TR9401:1997, but is better understood by reading <a href="http://www.jclark.com/sp/catalog.htm">the SP Catalog page</a> from
     James Clark. This is relatively old and not the preferred mode of
     operation of libxml.</li>
-  <li>
-<a href="http://www.oasis-open.org/committees/entity/spec.html">XML
+  <li><a href="http://www.oasis-open.org/committees/entity/spec.html">XML
     Catalogs</a> is far more flexible, more recent, uses an XML syntax and
     should scale quite better. This is the default option of libxml.</li>
-</ul>
-<p></p>
-<h3><a name="Simple">Using catalog</a></h3>
-<p>In a normal environment libxml will by default check the presence of a
+</ul><p></p><h3><a name="Simple" id="Simple">Using catalog</a></h3><p>In a normal environment libxml will by default check the presence of a
 catalog in /etc/xml/catalog, and assuming it has been correctly populated,
 the processing is completely transparent to the document user. To take a
 concrete example, suppose you are authoring a DocBook document, this one
-starts with the following DOCTYPE definition:</p>
-<pre>&lt;?xml version='1.0'?&gt;
+starts with the following DOCTYPE definition:</p><pre>&lt;?xml version='1.0'?&gt;
 &lt;!DOCTYPE book PUBLIC &quot;-//Norman Walsh//DTD DocBk XML V3.1.4//EN&quot;
-          &quot;http://nwalsh.com/docbook/xml/3.1.4/db3xml.dtd&quot;&gt;</pre>
-<p>When validating the document with libxml, the catalog will be
+          &quot;http://nwalsh.com/docbook/xml/3.1.4/db3xml.dtd&quot;&gt;</pre><p>When validating the document with libxml, the catalog will be
 automatically consulted to lookup the public identifier &quot;-//Norman Walsh//DTD
 DocBk XML V3.1.4//EN&quot; and the system identifier
 &quot;http://nwalsh.com/docbook/xml/3.1.4/db3xml.dtd&quot;, and if these entities have
 been installed on your system and the catalogs actually point to them, libxml
-will fetch them from the local disk.</p>
-<p style="font-size: 10pt">
-<strong>Note</strong>: Really don't use this
-DOCTYPE example it's a really old version, but is fine as an example.</p>
-<p>Libxml will check the catalog each time that it is requested to load an
+will fetch them from the local disk.</p><p style="font-size: 10pt"><strong>Note</strong>: Really don't use this
+DOCTYPE example it's a really old version, but is fine as an example.</p><p>Libxml will check the catalog each time that it is requested to load an
 entity, this includes DTD, external parsed entities, stylesheets, etc ... If
 your system is correctly configured all the authoring phase and processing
 should use only local files, even if your document stays portable because it
-uses the canonical public and system ID, referencing the remote document.</p>
-<h3><a name="Some">Some examples:</a></h3>
-<p>Here is a couple of fragments from XML Catalogs used in libxml early
-regression tests in <code>test/catalogs</code> :</p>
-<pre>&lt;?xml version=&quot;1.0&quot;?&gt;
+uses the canonical public and system ID, referencing the remote document.</p><h3><a name="Some" id="Some">Some examples:</a></h3><p>Here is a couple of fragments from XML Catalogs used in libxml early
+regression tests in <code>test/catalogs</code> :</p><pre>&lt;?xml version=&quot;1.0&quot;?&gt;
 &lt;!DOCTYPE catalog PUBLIC 
    &quot;-//OASIS//DTD Entity Resolution XML Catalog V1.0//EN&quot;
    &quot;http://www.oasis-open.org/committees/entity/release/1.0/catalog.dtd&quot;&gt;
 &lt;catalog xmlns=&quot;urn:oasis:names:tc:entity:xmlns:xml:catalog&quot;&gt;
   &lt;public publicId=&quot;-//OASIS//DTD DocBook XML V4.1.2//EN&quot;
    uri=&quot;http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd&quot;/&gt;
-...</pre>
-<p>This is the beginning of a catalog for DocBook 4.1.2, XML Catalogs are
+...</pre><p>This is the beginning of a catalog for DocBook 4.1.2, XML Catalogs are
 written in XML,  there is a specific namespace for catalog elements
 &quot;urn:oasis:names:tc:entity:xmlns:xml:catalog&quot;. The first entry in this
 catalog is a <code>public</code> mapping it allows to associate a Public
-Identifier with an URI.</p>
-<pre>...
+Identifier with an URI.</p><pre>...
     &lt;rewriteSystem systemIdStartString=&quot;http://www.oasis-open.org/docbook/&quot;
                    rewritePrefix=&quot;file:///usr/share/xml/docbook/&quot;/&gt;
-...</pre>
-<p>A <code>rewriteSystem</code> is a very powerful instruction, it says that
+...</pre><p>A <code>rewriteSystem</code> is a very powerful instruction, it says that
 any URI starting with a given prefix should be looked at another  URI
 constructed by replacing the prefix with an new one. In effect this acts like
 a cache system for a full area of the Web. In practice it is extremely useful
 with a file prefix if you have installed a copy of those resources on your
-local system.</p>
-<pre>...
+local system.</p><pre>...
 &lt;delegatePublic publicIdStartString=&quot;-//OASIS//DTD XML Catalog //&quot;
                 catalog=&quot;file:///usr/share/xml/docbook.xml&quot;/&gt;
 &lt;delegatePublic publicIdStartString=&quot;-//OASIS//ENTITIES DocBook XML&quot;
@@ -210,8 +95,7 @@
                 catalog=&quot;file:///usr/share/xml/docbook.xml&quot;/&gt;
 &lt;delegateURI uriStartString=&quot;http://www.oasis-open.org/docbook/&quot;
                 catalog=&quot;file:///usr/share/xml/docbook.xml&quot;/&gt;
-...</pre>
-<p>Delegation is the core features which allows to build a tree of catalogs,
+...</pre><p>Delegation is the core features which allows to build a tree of catalogs,
 easier to maintain than a single catalog, based on Public Identifier, System
 Identifier or URI prefixes it instructs the catalog software to look up
 entries in another resource. This feature allow to build hierarchies of
@@ -219,18 +103,13 @@
 resolution of all DocBook references to the specific catalog in
 <code>/usr/share/xml/docbook.xml</code> this one in turn could delegate all
 references for DocBook 4.2.1 to a specific catalog installed at the same time
-as the DocBook resources on the local machine.</p>
-<h3><a name="reference">How to tune catalog usage:</a></h3>
-<p>The user can change the default catalog behaviour by redirecting queries
+as the DocBook resources on the local machine.</p><h3><a name="reference" id="reference">How to tune catalog usage:</a></h3><p>The user can change the default catalog behaviour by redirecting queries
 to its own set of catalogs, this can be done by setting the
 <code>XML_CATALOG_FILES</code> environment variable to a list of catalogs, an
 empty one should deactivate loading the default <code>/etc/xml/catalog</code>
-default catalog</p>
-<h3><a name="validate">How to debug catalog processing:</a></h3>
-<p>Setting up the <code>XML_DEBUG_CATALOG</code> environment variable will
+default catalog</p><h3><a name="validate" id="validate">How to debug catalog processing:</a></h3><p>Setting up the <code>XML_DEBUG_CATALOG</code> environment variable will
 make libxml output debugging informations for each catalog operations, for
-example:</p>
-<pre>orchis:~/XML -&gt; xmllint --memory --noout test/ent2
+example:</p><pre>orchis:~/XML -&gt; xmllint --memory --noout test/ent2
 warning: failed to load external entity &quot;title.xml&quot;
 orchis:~/XML -&gt; export XML_DEBUG_CATALOG=
 orchis:~/XML -&gt; xmllint --memory --noout test/ent2
@@ -238,33 +117,26 @@
 Failed to parse catalog /etc/xml/catalog
 warning: failed to load external entity &quot;title.xml&quot;
 Catalogs cleanup
-orchis:~/XML -&gt; </pre>
-<p>The test/ent2 references an entity, running the parser from memory makes
+orchis:~/XML -&gt; </pre><p>The test/ent2 references an entity, running the parser from memory makes
 the base URI unavailable and the the &quot;title.xml&quot; entity cannot be loaded.
 Setting up the debug environment variable allows to detect that an attempt is
 made to load the <code>/etc/xml/catalog</code> but since it's not present the
-resolution fails.</p>
-<p>But the most advanced way to debug XML catalog processing is to use the
+resolution fails.</p><p>But the most advanced way to debug XML catalog processing is to use the
 <strong>xmlcatalog</strong> command shipped with libxml2, it allows to load
 catalogs and make resolution queries to see what is going on. This is also
-used for the regression tests:</p>
-<pre>orchis:~/XML -&gt; ./xmlcatalog test/catalogs/docbook.xml \
+used for the regression tests:</p><pre>orchis:~/XML -&gt; ./xmlcatalog test/catalogs/docbook.xml \
                    &quot;-//OASIS//DTD DocBook XML V4.1.2//EN&quot;
 http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd
-orchis:~/XML -&gt; </pre>
-<p>For debugging what is going on, adding one -v flags increase the verbosity
+orchis:~/XML -&gt; </pre><p>For debugging what is going on, adding one -v flags increase the verbosity
 level to indicate the processing done (adding a second flag also indicate
-what elements are recognized at parsing):</p>
-<pre>orchis:~/XML -&gt; ./xmlcatalog -v test/catalogs/docbook.xml \
+what elements are recognized at parsing):</p><pre>orchis:~/XML -&gt; ./xmlcatalog -v test/catalogs/docbook.xml \
                    &quot;-//OASIS//DTD DocBook XML V4.1.2//EN&quot;
 Parsing catalog test/catalogs/docbook.xml's content
 Found public match -//OASIS//DTD DocBook XML V4.1.2//EN
 http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd
 Catalogs cleanup
-orchis:~/XML -&gt; </pre>
-<p>A shell interface is also available to debug and process multiple queries
-(and for regression tests):</p>
-<pre>orchis:~/XML -&gt; ./xmlcatalog -shell test/catalogs/docbook.xml \
+orchis:~/XML -&gt; </pre><p>A shell interface is also available to debug and process multiple queries
+(and for regression tests):</p><pre>orchis:~/XML -&gt; ./xmlcatalog -shell test/catalogs/docbook.xml \
                    &quot;-//OASIS//DTD DocBook XML V4.1.2//EN&quot;
 &gt; help   
 Commands available:
@@ -280,25 +152,18 @@
 &gt; public &quot;-//OASIS//DTD DocBook XML V4.1.2//EN&quot;
 http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd
 &gt; quit
-orchis:~/XML -&gt; </pre>
-<p>This should be sufficient for most debugging purpose, this was actually
-used heavily to debug the XML Catalog implementation itself.</p>
-<h3>
-<a name="Declaring">How to create and maintain</a> catalogs:</h3>
-<p>Basically XML Catalogs are XML files, you can either use XML tools to
+orchis:~/XML -&gt; </pre><p>This should be sufficient for most debugging purpose, this was actually
+used heavily to debug the XML Catalog implementation itself.</p><h3><a name="Declaring" id="Declaring">How to create and maintain</a> catalogs:</h3><p>Basically XML Catalogs are XML files, you can either use XML tools to
 manage them or use  <strong>xmlcatalog</strong> for this. The basic step is
-to create a catalog the -create option provide this facility:</p>
-<pre>orchis:~/XML -&gt; ./xmlcatalog --create tst.xml
+to create a catalog the -create option provide this facility:</p><pre>orchis:~/XML -&gt; ./xmlcatalog --create tst.xml
 &lt;?xml version=&quot;1.0&quot;?&gt;
 &lt;!DOCTYPE catalog PUBLIC &quot;-//OASIS//DTD Entity Resolution XML Catalog V1.0//EN&quot;
          &quot;http://www.oasis-open.org/committees/entity/release/1.0/catalog.dtd&quot;&gt;
 &lt;catalog xmlns=&quot;urn:oasis:names:tc:entity:xmlns:xml:catalog&quot;/&gt;
-orchis:~/XML -&gt; </pre>
-<p>By default xmlcatalog does not overwrite the original catalog and save the
+orchis:~/XML -&gt; </pre><p>By default xmlcatalog does not overwrite the original catalog and save the
 result on the standard output, this can be overridden using the -noout
 option. The <code>-add</code> command allows to add entries in the
-catalog:</p>
-<pre>orchis:~/XML -&gt; ./xmlcatalog --noout --create --add &quot;public&quot; \
+catalog:</p><pre>orchis:~/XML -&gt; ./xmlcatalog --noout --create --add &quot;public&quot; \
   &quot;-//OASIS//DTD DocBook XML V4.1.2//EN&quot; \
   http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd tst.xml
 orchis:~/XML -&gt; cat tst.xml
@@ -309,91 +174,57 @@
 &lt;public publicId=&quot;-//OASIS//DTD DocBook XML V4.1.2//EN&quot;
         uri=&quot;http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd&quot;/&gt;
 &lt;/catalog&gt;
-orchis:~/XML -&gt; </pre>
-<p>The <code>-add</code> option will always take 3 parameters even if some of
+orchis:~/XML -&gt; </pre><p>The <code>-add</code> option will always take 3 parameters even if some of
 the XML Catalog constructs (like nextCatalog) will have only a single
-argument, just pass a third empty string, it will be ignored.</p>
-<p>Similarly the <code>-del</code> option remove matching entries from the
-catalog:</p>
-<pre>orchis:~/XML -&gt; ./xmlcatalog --del \
+argument, just pass a third empty string, it will be ignored.</p><p>Similarly the <code>-del</code> option remove matching entries from the
+catalog:</p><pre>orchis:~/XML -&gt; ./xmlcatalog --del \
   &quot;http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd&quot; tst.xml
 &lt;?xml version=&quot;1.0&quot;?&gt;
 &lt;!DOCTYPE catalog PUBLIC &quot;-//OASIS//DTD Entity Resolution XML Catalog V1.0//EN&quot;
     &quot;http://www.oasis-open.org/committees/entity/release/1.0/catalog.dtd&quot;&gt;
 &lt;catalog xmlns=&quot;urn:oasis:names:tc:entity:xmlns:xml:catalog&quot;/&gt;
-orchis:~/XML -&gt; </pre>
-<p>The catalog is now empty. Note that the matching of <code>-del</code> is
+orchis:~/XML -&gt; </pre><p>The catalog is now empty. Note that the matching of <code>-del</code> is
 exact and would have worked in a similar fashion with the Public ID
-string.</p>
-<p>This is rudimentary but should be sufficient to manage a not too complex
-catalog tree of resources.</p>
-<h3><a name="implemento">The implementor corner quick review of the
-API:</a></h3>
-<p>First, and like for every other module of libxml, there is an
+string.</p><p>This is rudimentary but should be sufficient to manage a not too complex
+catalog tree of resources.</p><h3><a name="implemento" id="implemento">The implementor corner quick review of the
+API:</a></h3><p>First, and like for every other module of libxml, there is an
 automatically generated <a href="html/libxml-catalog.html">API page for
-catalog support</a>.</p>
-<p>The header for the catalog interfaces should be included as:</p>
-<pre>#include &lt;libxml/catalog.h&gt;</pre>
-<p>The API is voluntarily kept very simple. First it is not obvious that
+catalog support</a>.</p><p>The header for the catalog interfaces should be included as:</p><pre>#include &lt;libxml/catalog.h&gt;</pre><p>The API is voluntarily kept very simple. First it is not obvious that
 applications really need access to it since it is the default behaviour of
 libxml (Note: it is possible to completely override libxml default catalog by
 using <a href="html/libxml-parser.html">xmlSetExternalEntityLoader</a> to
-plug an application specific resolver).</p>
-<p>Basically libxml support 2 catalog lists:</p>
-<ul>
-<li>the default one, global shared by all the application</li>
+plug an application specific resolver).</p><p>Basically libxml support 2 catalog lists:</p><ul><li>the default one, global shared by all the application</li>
   <li>a per-document catalog, this one is built if the document uses the
     <code>oasis-xml-catalog</code> PIs to specify its own catalog list, it is
     associated to the parser context and destroyed when the parsing context
     is destroyed.</li>
-</ul>
-<p>the document one will be used first if it exists.</p>
-<h4>Initialization routines:</h4>
-<p>xmlInitializeCatalog(), xmlLoadCatalog() and xmlLoadCatalogs() should be
+</ul><p>the document one will be used first if it exists.</p><h4>Initialization routines:</h4><p>xmlInitializeCatalog(), xmlLoadCatalog() and xmlLoadCatalogs() should be
 used at startup to initialize the catalog, if the catalog should be
 initialized with specific values xmlLoadCatalog()  or xmlLoadCatalogs()
 should be called before xmlInitializeCatalog() which would otherwise do a
-default initialization first.</p>
-<p>The xmlCatalogAddLocal() call is used by the parser to grow the document
-own catalog list if needed.</p>
-<h4>Preferences setup:</h4>
-<p>The XML Catalog spec requires the possibility to select default
+default initialization first.</p><p>The xmlCatalogAddLocal() call is used by the parser to grow the document
+own catalog list if needed.</p><h4>Preferences setup:</h4><p>The XML Catalog spec requires the possibility to select default
 preferences between  public and system delegation,
 xmlCatalogSetDefaultPrefer() allows this, xmlCatalogSetDefaults() and
 xmlCatalogGetDefaults() allow to control  if XML Catalogs resolution should
 be forbidden, allowed for global catalog, for document catalog or both, the
-default is to allow both.</p>
-<p>And of course xmlCatalogSetDebug() allows to generate debug messages
-(through the xmlGenericError() mechanism).</p>
-<h4>Querying routines:</h4>
-<p>xmlCatalogResolve(), xmlCatalogResolveSystem(), xmlCatalogResolvePublic()
+default is to allow both.</p><p>And of course xmlCatalogSetDebug() allows to generate debug messages
+(through the xmlGenericError() mechanism).</p><h4>Querying routines:</h4><p>xmlCatalogResolve(), xmlCatalogResolveSystem(), xmlCatalogResolvePublic()
 and xmlCatalogResolveURI() are relatively explicit if you read the XML
 Catalog specification they correspond to section 7 algorithms, they should
-also work if you have loaded an SGML catalog with a simplified semantic.</p>
-<p>xmlCatalogLocalResolve() and xmlCatalogLocalResolveURI() are the same but
-operate on the document catalog list</p>
-<h4>Cleanup and Miscellaneous:</h4>
-<p>xmlCatalogCleanup() free-up the global catalog, xmlCatalogFreeLocal() is
-the per-document equivalent.</p>
-<p>xmlCatalogAdd() and xmlCatalogRemove() are used to dynamically modify the
+also work if you have loaded an SGML catalog with a simplified semantic.</p><p>xmlCatalogLocalResolve() and xmlCatalogLocalResolveURI() are the same but
+operate on the document catalog list</p><h4>Cleanup and Miscellaneous:</h4><p>xmlCatalogCleanup() free-up the global catalog, xmlCatalogFreeLocal() is
+the per-document equivalent.</p><p>xmlCatalogAdd() and xmlCatalogRemove() are used to dynamically modify the
 first catalog in the global list, and xmlCatalogDump() allows to dump a
 catalog state, those routines are primarily designed for xmlcatalog, I'm not
 sure that exposing more complex interfaces (like navigation ones) would be
-really useful.</p>
-<p>The xmlParseCatalogFile() is a function used to load XML Catalog files,
+really useful.</p><p>The xmlParseCatalogFile() is a function used to load XML Catalog files,
 it's similar as xmlParseFile() except it bypass all catalog lookups, it's
-provided because this functionality may be useful for client tools.</p>
-<h4>threaded environments:</h4>
-<p>Since the catalog tree is built progressively, some care has been taken to
+provided because this functionality may be useful for client tools.</p><h4>threaded environments:</h4><p>Since the catalog tree is built progressively, some care has been taken to
 try to avoid troubles in multithreaded environments. The code is now thread
 safe assuming that the libxml library has been compiled with threads
-support.</p>
-<p></p>
-<h3><a name="Other">Other resources</a></h3>
-<p>The XML Catalog specification is relatively recent so there isn't much
-literature to point at:</p>
-<ul>
-<li>You can find a good rant from Norm Walsh about <a href="http://www.arbortext.com/Think_Tank/XML_Resources/Issue_Three/issue_three.html">the
+support.</p><p></p><h3><a name="Other" id="Other">Other resources</a></h3><p>The XML Catalog specification is relatively recent so there isn't much
+literature to point at:</p><ul><li>You can find a good rant from Norm Walsh about <a href="http://www.arbortext.com/Think_Tank/XML_Resources/Issue_Three/issue_three.html">the
     need for catalogs</a>, it provides a lot of context informations even if
     I don't agree with everything presented. Norm also wrote a more recent
     article <a href="http://wwws.sun.com/software/xml/developers/resolver/article/">XML
@@ -420,13 +251,6 @@
     small tarball</a> containing XML Catalogs for DocBook 4.1.2 which seems
     to work fine for me too</li>
   <li>The <a href="http://www.xmlsoft.org/xmlcatalog_man.html">xmlcatalog
-    manual page</a>
-</li>
-</ul>
-<p>If you have suggestions for corrections or additions, simply contact
-me:</p>
-<p><a href="bugs.html">Daniel Veillard</a></p>
-</td></tr></table></td></tr></table></td></tr></table></td>
-</tr></table></td></tr></table>
-</body>
-</html>
+    manual page</a></li>
+</ul><p>If you have suggestions for corrections or additions, simply contact
+me:</p><p><a href="bugs.html">Daniel Veillard</a></p></td></tr></table></td></tr></table></td></tr></table></td></tr></table></td></tr></table></body></html>