[ESS] How to improve ESS syntax high-lighting and shortcuts

[Ronaldo Reis Junior]

Hi,

I use XEmacs+ESS to work with R. It is possible to improve syntax highlighting 
to make a more readable code, somethink like highlighting functions, R 
command and argumments?

To comment severals lines I need to use M-x comment-region and C-u M-x 
comment-region to make it uncommented. It is a very long command, it is 
possible to assign a shortcut to this, like C-d to comment and C-Shift-d to 
uncomment the code? Or, it is possible to put a menu entry in ESS menu?

Thanks
Ronaldo
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