Feature Request: Help for S/R and R/R Errors

[Bob Smith]

When Bison encounters a S/R or R/R error, it would be helpful if it 
could also write to the output file an input stream which would 
trigger the error.

That way, the user could run the input stream through the grammar so 
as to better understand the problem.  As it is, we're told in which 
state the problem is encountered, but not how we might have gotten 
there.  I've found it difficult to trace backwards through the states 
in an attempt to understand the error.

I appreciate that there might well be more than one path to get to the 
state with the error, but any help along these lines would be welcome.

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_______________________________________________________________
Bob Smith - address@hidden - http://www.sudleyplace.com

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