upated the news regenerated the docs, preparing for release of 2.6.23

* NEWS configure.in libxml.spec.in testapi.c doc/*: upated the news
  regenerated the docs, preparing for release of 2.6.23
* pattern.c xmlschemas.c: fixed some comments
Daniel
diff --git a/doc/APIchunk26.html b/doc/APIchunk26.html
index 8a0befa..0f38063 100644
--- a/doc/APIchunk26.html
+++ b/doc/APIchunk26.html
@@ -68,6 +68,7 @@
 <a href="html/libxml-schemasInternals.html#XML_SCHEMAS_TYPE_FINAL_UNION">XML_SCHEMAS_TYPE_FINAL_UNION</a><br />
 <a href="html/libxml-schemasInternals.html#XML_SCHEMAS_TYPE_VARIETY_ATOMIC">XML_SCHEMAS_TYPE_VARIETY_ATOMIC</a><br />
 <a href="html/libxml-schemasInternals.html#XML_SCHEMAS_TYPE_VARIETY_UNION">XML_SCHEMAS_TYPE_VARIETY_UNION</a><br />
+<a href="html/libxml-schemasInternals.html#_xmlSchemaType">_xmlSchemaType</a><br />
 <a href="html/libxml-xpathInternals.html#xmlXPathIdFunction">xmlXPathIdFunction</a><br />
 </dd><dt>unique</dt><dd><a href="html/libxml-parser.html#_xmlParserInput">_xmlParserInput</a><br />
 <a href="html/libxml-schemasInternals.html#_xmlSchema">_xmlSchema</a><br />
@@ -117,7 +118,6 @@
 <a href="html/libxml-parserInternals.html#xmlParseEntityRef">xmlParseEntityRef</a><br />
 <a href="html/libxml-parserInternals.html#xmlParserHandleReference">xmlParserHandleReference</a><br />
 <a href="html/libxml-SAX2.html#xmlSAX2UnparsedEntityDecl">xmlSAX2UnparsedEntityDecl</a><br />
-</dd><dt>unplug</dt><dd><a href="html/libxml-xmlschemas.html#xmlSchemaSAXPlug">xmlSchemaSAXPlug</a><br />
 </dd><dt>unpredictable</dt><dd><a href="html/libxml-HTMLparser.html#UTF8ToHtml">UTF8ToHtml</a><br />
 <a href="html/libxml-encoding.html#UTF8Toisolat1">UTF8Toisolat1</a><br />
 <a href="html/libxml-DOCBparser.html#docbEncodeEntities">docbEncodeEntities</a><br />
@@ -150,7 +150,6 @@
 <a href="html/libxml-xpath.html#_xmlXPathContext">_xmlXPathContext</a><br />
 <a href="html/libxml-tree.html#xmlDOMWrapReconcileNamespaces">xmlDOMWrapReconcileNamespaces</a><br />
 <a href="html/libxml-tree.html#xmlDOMWrapRemoveNode">xmlDOMWrapRemoveNode</a><br />
-<a href="html/libxml-xmlschemas.html#xmlSchemaValidateFile">xmlSchemaValidateFile</a><br />
 <a href="html/libxml-debugXML.html#xmlShellBase">xmlShellBase</a><br />
 <a href="html/libxml-debugXML.html#xmlShellCat">xmlShellCat</a><br />
 <a href="html/libxml-debugXML.html#xmlShellDir">xmlShellDir</a><br />
@@ -182,6 +181,8 @@
 </dd><dt>usage</dt><dd><a href="html/libxml-tree.html#xmlGetBufferAllocationScheme">xmlGetBufferAllocationScheme</a><br />
 <a href="html/libxml-tree.html#xmlSetBufferAllocationScheme">xmlSetBufferAllocationScheme</a><br />
 </dd><dt>used:</dt><dd><a href="html/libxml-parser.html#XML_DEFAULT_VERSION">XML_DEFAULT_VERSION</a><br />
+</dd><dt>used?</dt><dd><a href="html/libxml-schemasInternals.html#_xmlSchemaAttribute">_xmlSchemaAttribute</a><br />
+<a href="html/libxml-schemasInternals.html#_xmlSchemaElement">_xmlSchemaElement</a><br />
 </dd><dt>useful</dt><dd><a href="html/libxml-xmlmemory.html#xmlGcMemGet">xmlGcMemGet</a><br />
 <a href="html/libxml-xmlmemory.html#xmlGcMemSetup">xmlGcMemSetup</a><br />
 <a href="html/libxml-threads.html#xmlNewRMutex">xmlNewRMutex</a><br />