On 2013-11-27, Leo Butler <l_butler at users.sourceforge.net> wrote:
> Is there a way to inspect the state of the parser that I am missing?
> Specifically, I would like to have access to the string of characters
> that constitute a line of input.
Well, __ (i.e. two underbars) is the input expression currently being
evaluated, and _ (one underbar) is the previous input expression.
Dunno if that helps.
best
Robert Dodier