updated the docs and prepared a new release 2.6.4 Daniel

* configure.in NEWS doc/*: updated the docs and prepared a new
  release 2.6.4
Daniel
diff --git a/doc/APIchunk10.html b/doc/APIchunk10.html
index 48e2d4f..cb6c270 100644
--- a/doc/APIchunk10.html
+++ b/doc/APIchunk10.html
@@ -234,6 +234,7 @@
 </dd><dt>checking</dt><dd><a href="html/libxml-xlink.html#xlinkIsLink">xlinkIsLink</a><br />
 <a href="html/libxml-tree.html#xmlBufferWriteQuotedString">xmlBufferWriteQuotedString</a><br />
 <a href="html/libxml-uri.html#xmlBuildURI">xmlBuildURI</a><br />
+<a href="html/libxml-xmlmemory.html#xmlMemFree">xmlMemFree</a><br />
 <a href="html/libxml-encoding.html#xmlUTF8Strlen">xmlUTF8Strlen</a><br />
 </dd><dt>checkings</dt><dd><a href="html/libxml-valid.html#xmlValidateOneElement">xmlValidateOneElement</a><br />
 </dd><dt>checks</dt><dd><a href="html/libxml-HTMLparser.html#htmlAutoCloseTag">htmlAutoCloseTag</a><br />
@@ -333,7 +334,11 @@
 <a href="html/libxml-xmlreader.html#xmlReaderForIO">xmlReaderForIO</a><br />
 <a href="html/libxml-xmlreader.html#xmlReaderNewIO">xmlReaderNewIO</a><br />
 <a href="html/libxml-xmlreader.html#xmlTextReaderClose">xmlTextReaderClose</a><br />
-</dd><dt>closed</dt><dd><a href="html/libxml-xmlwriter.html#xmlTextWriterEndDocument">xmlTextWriterEndDocument</a><br />
+</dd><dt>closed</dt><dd><a href="html/libxml-parser.html#xmlCtxtReadFd">xmlCtxtReadFd</a><br />
+<a href="html/libxml-parser.html#xmlReadFd">xmlReadFd</a><br />
+<a href="html/libxml-xmlreader.html#xmlReaderForFd">xmlReaderForFd</a><br />
+<a href="html/libxml-xmlreader.html#xmlReaderNewFd">xmlReaderNewFd</a><br />
+<a href="html/libxml-xmlwriter.html#xmlTextWriterEndDocument">xmlTextWriterEndDocument</a><br />
 </dd><dt>closes</dt><dd><a href="html/libxml-nanohttp.html#xmlNanoHTTPClose">xmlNanoHTTPClose</a><br />
 <a href="html/libxml-nanohttp.html#xmlNanoHTTPSave">xmlNanoHTTPSave</a><br />
 </dd><dt>closest</dt><dd><a href="html/libxml-xpathInternals.html#xmlXPathCeilingFunction">xmlXPathCeilingFunction</a><br />