[<-.XMLNode             Assign sub-nodes to an XML node
append.xmlNode          Add children to an XML node
asXMLNode               Converts non-XML node objects to XMLTextNode
                        objects
dtdElement              Gets the definition of an element or entity
                        from a DTD.
dtdElementValidEntry    Determines whether an XML element allows a
                        particular type of sub-element.
dtdIsAttribute          Query if a name is a valid attribute of a DTD
                        element.
dtdValidElement         Determines whether an XML tag is valid within
                        another.
length.XMLNode          Determine the number of children in an XMLNode
                        object.
libxmlVersion           Get the version of the libxml library.
names.XMLNode           Get the names of an XML nodes children.
newXMLDoc               Create internal XML node or document object
parseDTD                Read a Document Type Definition (DTD)
print.XMLAttributeDef   Methods for displaying XML objects
saveXML                 Output internal XML Tree
supportsExpat           Determines which native XML parsers are being
                        used.
xmlApply                Applies a function to each of the children of
                        an XMLNode
xmlAttributeType        The type of an XML attribute for element from
                        the DTD
xmlAttrs                Get the list of attributes of an XML node. 
xmlChildren             Gets the sub-nodes within an XMLNode object. 
xmlContainsEntity       Checks if an entity is defined within a DTD.
xmlDOMApply             Apply function to nodes in an XML tree/DOM.
xmlElementsByTagName    Retrieve the children of an XML node with a
                        specific tag name
xmlEventHandler         Default handlers for the SAX-style event XML
                        parser
xmlEventParse           XML Event/Callback element-wise Parser
xmlHandler              Example XML Event Parser Handler Functions
xmlName                 Extraces the tag name of an XMLNode object.
xmlNamespace            Retrieve the namespace value of an XML node.
xmlNode                 Create an XML node
xmlOutputBuffer         XML output streams
xmlRoot                 Get the top-level XML node.
xmlSize                 The number of sub-elements within an XML node.
[.XMLNode               Convenience accessors for the children of
                        XMLNode objects.
xmlTree                 An internal, updatable DOM object for building
                        XML trees
xmlTreeParse            XML Parser
xmlValue                Extract the contents of a leaf XML node