[ESS] Snw files are not weaved by C-c C-c from AucTeX-mode

[Rodney Sparapani]

Rodney Sparapani wrote:

> And, after thinking about it a little, I don't think the code marks
> make any sense.  Why << and @?  This means that you can't work with
> these files with off-the-shelf tools like csplit.  Why not << and <<@?
> Then you could very simply do:  csplit -f file. file /<</
> Right now, this seems to be more of a hassle than it is actually worth.
> 
> Rodney
> 

This is really bothering me.  Why can't the code marks just be:
\begin{Sinput} and \end{Sinput}?  Then, the file would be valid
latex if you used sweave.sty.

Rodney