W3 it seems good, hyper-text + graphics... but, I think, for real
presentations need extension of browser and html lang by frames
Frames should solve following:
a. possibility to reload part of the page, not next document
b. possibility to make-up page and browse it as-is
o mixed fonts families
o fixed geometry
o e.t.c.
c. possibility to have complex forms + heavy graphics
d. ...
<a href="http://sundg0.jinr.dubna.su/~popov">Frames and WWW</a>
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Mikhail Popov