On Thu, Jan 03, 2002 at 05:27:43PM -0000, Simon Marlow wrote:
> 
>       '(' exp(i+1) op(a,i) ')'
>       '(' op(a,i) exp(i+1) ')'
> 
>       '(' lexp(i) op(l,i) ')'
>       '(' op(r,i) rexp(i) ')'
> 
> And for the sake of fewer ambiguities, replace each op(a,i) with op(n,i)
> in the existing two section productions.

(+ 5) would not then be valid.


Ian


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