The interface is modeled after DOM1 Spec for HTML from W3C. The DTD used in this DOM model is from http://www.wapforum.org/DTD/wml_1.1.xml
'fieldset' element groups related fields and tet (Section 11.6.4, WAP WML Version 16-Jun-1999)
'title' specifies a title for this element
The xml:lang that specifics the natural or formal language in which the document is written. (Section 8.8, WAP WML Version 16-Jun-1999)