The DomDocument class
The om.DomDocument class provides methods to manipulate a data tree,
following the DOM standards.
A om.DomDocument object holds a DOM tree of om.DomNode
objects.
A unique root om.DomNode object is owned by an om.DomDocument object.
Important:
Build-in XML support classes om.* have known limitations. Refere to the Limitations of XML built-in classes page for more details.