J.Fine wrote:
> Hi
> 
> I'm not sure I understand what it is you want to do, but it does seem to me that TeX macros are not a suitable language.
> 
> 
> Jonathan

Sorry, I'm a bit lost!  Which bit of the thread are we talking about?
(xparse as-a-concept, post-processing arguments, how to specify
arguments, ... )
-- 
Joseph Wright