regenerated the API description, rebuilt, improved navigation in

* elfgcchack.h testapi.c doc/libxml2-api.xml doc/*: regenerated
  the API description, rebuilt, improved navigation in documentation
  a bit.
Daniel
diff --git a/doc/APIchunk5.html b/doc/APIchunk5.html
index 97227d0..7efc212 100644
--- a/doc/APIchunk5.html
+++ b/doc/APIchunk5.html
@@ -40,6 +40,8 @@
 </dd><dt>OPT</dt><dd><a href="html/libxml-tree.html#_xmlElementContent">_xmlElementContent</a><br />
 </dd><dt>OUT</dt><dd><a href="html/libxml-nanohttp.html#xmlNanoHTTPMethod">xmlNanoHTTPMethod</a><br />
 <a href="html/libxml-nanohttp.html#xmlNanoHTTPMethodRedir">xmlNanoHTTPMethodRedir</a><br />
+<a href="html/libxml-xmlregexp.html#xmlRegExecErrInfo">xmlRegExecErrInfo</a><br />
+<a href="html/libxml-xmlregexp.html#xmlRegExecNextValues">xmlRegExecNextValues</a><br />
 </dd><dt>OUT:</dt><dd><a href="html/libxml-HTMLtree.html#htmlDocDumpMemory">htmlDocDumpMemory</a><br />
 <a href="html/libxml-tree.html#xmlDocDumpFormatMemory">xmlDocDumpFormatMemory</a><br />
 <a href="html/libxml-tree.html#xmlDocDumpMemory">xmlDocDumpMemory</a><br />
@@ -132,7 +134,6 @@
 </dd><dt>Parses</dt><dd><a href="html/libxml-xmlregexp.html#xmlRegexpCompile">xmlRegexpCompile</a><br />
 <a href="html/libxml-xmlreader.html#xmlTextReaderReadAttributeValue">xmlTextReaderReadAttributeValue</a><br />
 </dd><dt>Parsing</dt><dd><a href="html/libxml-parser.html#_xmlParserCtxt">_xmlParserCtxt</a><br />
-<a href="html/libxml-xpathInternals.html#xmlXPathErr">xmlXPathErr</a><br />
 </dd><dt>Part</dt><dd><a href="html/libxml-xmlregexp.html#xmlRegexpCompile">xmlRegexpCompile</a><br />
 <a href="html/libxml-xmlschemastypes.html#xmlSchemaGetBuiltInListSimpleTypeItemType">xmlSchemaGetBuiltInListSimpleTypeItemType</a><br />
 </dd><dt>Path</dt><dd><a href="html/libxml-tree.html#xmlGetNodePath">xmlGetNodePath</a><br />