Now I get it. That's very clear.

On Sat, Dec 10, 2016 at 11:53 PM, 'Pascal Jasmin' via Programming <
[email protected]> wrote:

> I planned (and used) conjunctions for both parts to take advantage of the
> binding preference of conjunctions.  I'd need fewer parens.
>
>  4 (2 : 'm+n') 3 , 1
> 7 1
>  4 + 3 , 1
> 7 5
>
> the conjunction executes before ,
>
> It refers to the R or RB in the generated string/code.
>
>
>
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