Developed, under contract, for Eolas
http://www.usenix.org/event/tcl00/full_papers/ball/ball_html/
[browser, Tk widget, Mozilla, ...]
[ http://www.mozilla.org/projects/embedding/embedoverview/EmbeddingBasics.html http://www.mozilla.org/projects/embedding/embedapiref/embedapiTOC.html ]