Added informations about xml2-config in the FAQ, Daniel
diff --git a/doc/html/libxml-xmlschemas.html b/doc/html/libxml-xmlschemas.html
index 740081e..823fca5 100644
--- a/doc/html/libxml-xmlschemas.html
+++ b/doc/html/libxml-xmlschemas.html
@@ -126,8 +126,7 @@
 };
 </pre><p>
 
-</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaPtr"></a>xmlSchemaPtr</h3><pre class="programlisting">typedef xmlSchema *xmlSchemaPtr;
-</pre><p>
+</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaPtr"></a>xmlSchemaPtr</h3><p>
 
 </p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaValidityErrorFunc"></a>xmlSchemaValidityErrorFunc ()</h3><pre class="programlisting">void        (*xmlSchemaValidityErrorFunc)   (void *ctx,
                                              const char *msg,
@@ -149,90 +148,108 @@
 
 </td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaParserCtxt"></a>struct xmlSchemaParserCtxt</h3><pre class="programlisting">struct xmlSchemaParserCtxt;</pre><p>
 
-</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaParserCtxtPtr"></a>xmlSchemaParserCtxtPtr</h3><pre class="programlisting">typedef xmlSchemaParserCtxt *xmlSchemaParserCtxtPtr;
-</pre><p>
+</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaParserCtxtPtr"></a>xmlSchemaParserCtxtPtr</h3><p>
 
 </p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaValidCtxt"></a>struct xmlSchemaValidCtxt</h3><pre class="programlisting">struct xmlSchemaValidCtxt;</pre><p>
 A Schemas validation context</p><p>
 
-</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaValidCtxtPtr"></a>xmlSchemaValidCtxtPtr</h3><pre class="programlisting">typedef xmlSchemaValidCtxt *xmlSchemaValidCtxtPtr;
-</pre><p>
+</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaValidCtxtPtr"></a>xmlSchemaValidCtxtPtr</h3><p>
 
 </p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaNewParserCtxt"></a>xmlSchemaNewParserCtxt ()</h3><pre class="programlisting"><a href="libxml-xmlschemas.html#xmlSchemaParserCtxtPtr">xmlSchemaParserCtxtPtr</a> xmlSchemaNewParserCtxt
                                             (const char *URL);</pre><p>
 Create an XML Schemas parse context for that file/resource expected
 to contain an XML Schemas file.</p><p>
 
-</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>URL</tt></i> :</span></td><td>  the location of the schema
-</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the parser context or NULL in case of error
+</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>URL</tt></i> :</span></td><td>
+</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
+
+
 </td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaNewMemParserCtxt"></a>xmlSchemaNewMemParserCtxt ()</h3><pre class="programlisting"><a href="libxml-xmlschemas.html#xmlSchemaParserCtxtPtr">xmlSchemaParserCtxtPtr</a> xmlSchemaNewMemParserCtxt
                                             (const char *buffer,
                                              int size);</pre><p>
 Create an XML Schemas parse context for that memory buffer expected
 to contain an XML Schemas file.</p><p>
 
-</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>buffer</tt></i> :</span></td><td>  a pointer to a char array containing the schemas
-</td></tr><tr><td><span class="term"><i><tt>size</tt></i> :</span></td><td>  the size of the array
-</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the parser context or NULL in case of error
+</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>buffer</tt></i> :</span></td><td>
+</td></tr><tr><td><span class="term"><i><tt>size</tt></i> :</span></td><td>
+</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
+
+
 </td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaFreeParserCtxt"></a>xmlSchemaFreeParserCtxt ()</h3><pre class="programlisting">void        xmlSchemaFreeParserCtxt         (<a href="libxml-xmlschemas.html#xmlSchemaParserCtxtPtr">xmlSchemaParserCtxtPtr</a> ctxt);</pre><p>
 Free the resources associated to the schema parser context</p><p>
 
-</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td>  the schema parser context
+</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td>
+
+
 </td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaSetParserErrors"></a>xmlSchemaSetParserErrors ()</h3><pre class="programlisting">void        xmlSchemaSetParserErrors        (<a href="libxml-xmlschemas.html#xmlSchemaParserCtxtPtr">xmlSchemaParserCtxtPtr</a> ctxt,
                                              <a href="libxml-xmlschemas.html#xmlSchemaValidityErrorFunc">xmlSchemaValidityErrorFunc</a> err,
                                              <a href="libxml-xmlschemas.html#xmlSchemaValidityWarningFunc">xmlSchemaValidityWarningFunc</a> warn,
                                              void *ctx);</pre><p>
 Set the callback functions used to handle errors for a validation context</p><p>
 
-</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td>  a schema validation context
-</td></tr><tr><td><span class="term"><i><tt>err</tt></i> :</span></td><td>  the error callback
-</td></tr><tr><td><span class="term"><i><tt>warn</tt></i> :</span></td><td>  the warning callback
-</td></tr><tr><td><span class="term"><i><tt>ctx</tt></i> :</span></td><td>  contextual data for the callbacks
+</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td>
+</td></tr><tr><td><span class="term"><i><tt>err</tt></i> :</span></td><td>
+</td></tr><tr><td><span class="term"><i><tt>warn</tt></i> :</span></td><td>
+</td></tr><tr><td><span class="term"><i><tt>ctx</tt></i> :</span></td><td>
+
+
 </td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaParse"></a>xmlSchemaParse ()</h3><pre class="programlisting"><a href="libxml-xmlschemas.html#xmlSchemaPtr">xmlSchemaPtr</a> xmlSchemaParse                 (<a href="libxml-xmlschemas.html#xmlSchemaParserCtxtPtr">xmlSchemaParserCtxtPtr</a> ctxt);</pre><p>
 parse a schema definition resource and build an internal
 XML Shema struture which can be used to validate instances.
 *WARNING* this interface is highly subject to change</p><p>
 
-</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td>  a schema validation context
-</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the internal XML Schema structure built from the resource or
-        NULL in case of error
+</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td>
+</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
+
+
 </td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaFree"></a>xmlSchemaFree ()</h3><pre class="programlisting">void        xmlSchemaFree                   (<a href="libxml-xmlschemas.html#xmlSchemaPtr">xmlSchemaPtr</a> schema);</pre><p>
 Deallocate a Schema structure.</p><p>
 
-</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>schema</tt></i> :</span></td><td>  a schema structure
+</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>schema</tt></i> :</span></td><td>
+
+
 </td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaDump"></a>xmlSchemaDump ()</h3><pre class="programlisting">void        xmlSchemaDump                   (<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="FILE-CAPS">FILE</GTKDOCLINK> *output,
                                              <a href="libxml-xmlschemas.html#xmlSchemaPtr">xmlSchemaPtr</a> schema);</pre><p>
 Dump a Schema structure.</p><p>
 
-</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>output</tt></i> :</span></td><td>  the file output
-</td></tr><tr><td><span class="term"><i><tt>schema</tt></i> :</span></td><td>  a schema structure
+</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>output</tt></i> :</span></td><td>
+</td></tr><tr><td><span class="term"><i><tt>schema</tt></i> :</span></td><td>
+
+
 </td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaSetValidErrors"></a>xmlSchemaSetValidErrors ()</h3><pre class="programlisting">void        xmlSchemaSetValidErrors         (<a href="libxml-xmlschemas.html#xmlSchemaValidCtxtPtr">xmlSchemaValidCtxtPtr</a> ctxt,
                                              <a href="libxml-xmlschemas.html#xmlSchemaValidityErrorFunc">xmlSchemaValidityErrorFunc</a> err,
                                              <a href="libxml-xmlschemas.html#xmlSchemaValidityWarningFunc">xmlSchemaValidityWarningFunc</a> warn,
                                              void *ctx);</pre><p>
 Set the error and warning callback informations</p><p>
 
-</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td>  a schema validation context
-</td></tr><tr><td><span class="term"><i><tt>err</tt></i> :</span></td><td>  the error function
-</td></tr><tr><td><span class="term"><i><tt>warn</tt></i> :</span></td><td> the warning function
-</td></tr><tr><td><span class="term"><i><tt>ctx</tt></i> :</span></td><td> the functions context
+</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td>
+</td></tr><tr><td><span class="term"><i><tt>err</tt></i> :</span></td><td>
+</td></tr><tr><td><span class="term"><i><tt>warn</tt></i> :</span></td><td>
+</td></tr><tr><td><span class="term"><i><tt>ctx</tt></i> :</span></td><td>
+
+
 </td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaNewValidCtxt"></a>xmlSchemaNewValidCtxt ()</h3><pre class="programlisting"><a href="libxml-xmlschemas.html#xmlSchemaValidCtxtPtr">xmlSchemaValidCtxtPtr</a> xmlSchemaNewValidCtxt (<a href="libxml-xmlschemas.html#xmlSchemaPtr">xmlSchemaPtr</a> schema);</pre><p>
 Create an XML Schemas validation context based on the given schema</p><p>
 
-</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>schema</tt></i> :</span></td><td>  a precompiled XML Schemas
-</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the validation context or NULL in case of error
+</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>schema</tt></i> :</span></td><td>
+</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
+
+
 </td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaFreeValidCtxt"></a>xmlSchemaFreeValidCtxt ()</h3><pre class="programlisting">void        xmlSchemaFreeValidCtxt          (<a href="libxml-xmlschemas.html#xmlSchemaValidCtxtPtr">xmlSchemaValidCtxtPtr</a> ctxt);</pre><p>
 Free the resources associated to the schema validation context</p><p>
 
-</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td>  the schema validation context
+</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td>
+
+
 </td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaValidateDoc"></a>xmlSchemaValidateDoc ()</h3><pre class="programlisting">int         xmlSchemaValidateDoc            (<a href="libxml-xmlschemas.html#xmlSchemaValidCtxtPtr">xmlSchemaValidCtxtPtr</a> ctxt,
                                              <a href="libxml-tree.html#xmlDocPtr">xmlDocPtr</a> instance);</pre><p>
 Validate a document tree in memory.</p><p>
 
-</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td>  a schema validation context
+</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td>
 </td></tr><tr><td><span class="term"><i><tt>instance</tt></i> :</span></td><td>
-</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>0 if the document is schemas valid, a positive error code
-    number otherwise and -1 in case of internal or API error.
+</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
+
+
 </td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaValidateStream"></a>xmlSchemaValidateStream ()</h3><pre class="programlisting">int         xmlSchemaValidateStream         (<a href="libxml-xmlschemas.html#xmlSchemaValidCtxtPtr">xmlSchemaValidCtxtPtr</a> ctxt,
                                              <a href="libxml-tree.html#xmlParserInputBufferPtr">xmlParserInputBufferPtr</a> input,
                                              <a href="libxml-encoding.html#xmlCharEncoding">xmlCharEncoding</a> enc,
@@ -240,11 +257,12 @@
                                              void *user_data);</pre><p>
 Validate a document tree in memory.</p><p>
 
-</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td>  a schema validation context
-</td></tr><tr><td><span class="term"><i><tt>input</tt></i> :</span></td><td>  the input to use for reading the data
-</td></tr><tr><td><span class="term"><i><tt>enc</tt></i> :</span></td><td>  an optional encoding information
-</td></tr><tr><td><span class="term"><i><tt>sax</tt></i> :</span></td><td>  a SAX handler for the resulting events
-</td></tr><tr><td><span class="term"><i><tt>user_data</tt></i> :</span></td><td>  the context to provide to the SAX handler.
-</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>0 if the document is schemas valid, a positive error code
-    number otherwise and -1 in case of internal or API error.
+</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i> :</span></td><td>
+</td></tr><tr><td><span class="term"><i><tt>input</tt></i> :</span></td><td>
+</td></tr><tr><td><span class="term"><i><tt>enc</tt></i> :</span></td><td>
+</td></tr><tr><td><span class="term"><i><tt>sax</tt></i> :</span></td><td>
+</td></tr><tr><td><span class="term"><i><tt>user_data</tt></i> :</span></td><td>
+</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>
+
+
 </td></tr></tbody></table></div></div></div></div><table xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navigation" width="100%" summary="Navigation footer" cellpadding="2" cellspacing="0"><tr valign="middle"><td align="left"><a accesskey="p" href="libxml-xmlunicode.html"><b>&lt;&lt; xmlunicode</b></a></td><td align="right"><a accesskey="n" href="libxml-xmlschemastypes.html"><b>xmlschemastypes &gt;&gt;</b></a></td></tr></table></body></html>