These functions allow one to create XML nodes
as are created in C code when reading XML documents.
Trees of XML nodes can be constructed and
integrated with other trees generated manually
or with via the parser.
An object of class XMLNode.
In the case of xmlTextNode,
this also inherits from XMLTextNode.
The fields or slots that objects
of these classes have
include
name, attributes, children and namespace.
However, one should
the accessor functions
xmlName,
xmlAttrs,
xmlChildren
and
xmlNamespace