[vbit]

Heh yes.

There was also a mozilla XUL based terminal many years ago - can't remember the name though.

[sime2009]

XMLterm

The only article about is that I've ever found or read is this one:

http://www.xml.com/pub/a/2000/06/07/xmlterm/

[Per_Bothner]

XMLterm. DomTerm http://domterm.org was very much inspired by XMLterm. Please check it out.