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/APIchunk22.html b/doc/APIchunk22.html
index 0285b35..fff1484 100644
--- a/doc/APIchunk22.html
+++ b/doc/APIchunk22.html
@@ -442,6 +442,8 @@
 </dd><dt>specify</dt><dd><a href="html/libxml-xmlreader.html#xmlTextReaderLookupNamespace">xmlTextReaderLookupNamespace</a><br />
 </dd><dt>specifying</dt><dd><a href="html/libxml-xmlmemory.html#xmlMallocAtomicLoc">xmlMallocAtomicLoc</a><br />
 <a href="html/libxml-xmlmemory.html#xmlMallocLoc">xmlMallocLoc</a><br />
+<a href="html/libxml-xmlmemory.html#xmlMemMalloc">xmlMemMalloc</a><br />
+<a href="html/libxml-xmlmemory.html#xmlMemRealloc">xmlMemRealloc</a><br />
 <a href="html/libxml-xmlmemory.html#xmlReallocLoc">xmlReallocLoc</a><br />
 </dd><dt>speed</dt><dd><a href="html/libxml-xpath.html#xmlXPathOrderDocElems">xmlXPathOrderDocElems</a><br />
 </dd><dt>speedup</dt><dd><a href="html/libxml-xmlreader.html#xmlTextReaderConstString">xmlTextReaderConstString</a><br />
@@ -568,6 +570,7 @@
 <a href="html/libxml-xmlmemory.html#xmlMemGet">xmlMemGet</a><br />
 <a href="html/libxml-xmlmemory.html#xmlMemSetup">xmlMemSetup</a><br />
 <a href="html/libxml-xmlmemory.html#xmlMemStrdupLoc">xmlMemStrdupLoc</a><br />
+<a href="html/libxml-xmlmemory.html#xmlMemoryStrdup">xmlMemoryStrdup</a><br />
 <a href="html/libxml-parser.html#xmlStrdup">xmlStrdup</a><br />
 <a href="html/libxml-xmlmemory.html#xmlStrdupFunc">xmlStrdupFunc</a><br />
 </dd><dt>stream</dt><dd><a href="html/libxml-parser.html#_xmlParserCtxt">_xmlParserCtxt</a><br />