[XeTeX] Change fonts for different environment/commands

[Arthur Reutenauer]

> I see it's guite complicated. So I have the last question. How do you
> create xetex documents that don't look like classic LaTeX document.

  This is an very good question (and I thank you for asking it).  I have
an excellent answer, but unfortunately the margins of this mailing-list
are too narrow for me to develop it :-)

	Arthur