[luatex] LuaTeX + LaTeX

[Arthur Reutenauer]

> It is not a waste of time if we ever want "latex" (as opposed to just
> "lualatex") to invoke luatex instead of pdftex.

  OK, right.  But that seems like a long-term goal, and for the moment
it seems to me that it's more urgent to make pdflualatex usable in some
particular situations, rather than completely compatible with pdfTeX,
which should come later, in my opinion.

	Arthur