On 27/11/2008, at 8:49 PM, Joseph Wright wrote: >> Has the code to be >> re-written to take benefit of new features? > > Not at the moment. For XeTeX, I'm not sure there would be so much > to do > (port fontspec, basically). For LuaTeX, my impression is that LaTeX3 > will not use any Lua features in the LaTeX kernel. There is already > too > much work to do to get LaTeX3 finished as it is. The other side of the story is that LaTeX3 should be as compatible as possible using both XeTeX *and* LuaTeX, and their capabilities vary quite a bit. So the aim at the moment is to build a system that relies only on e- TeX as a base system -- and we'll see what the future brings :) Will