My current working hypothesis is that this might be a bug in Marpa's progress reports. Your diagnostics are using a method -- last_completed() -- which depends on these indirectly. I'm currently tracking this down.

If you can work up a smaller example, it would help me out. Otherwise, I'll continue with this one.

-- jeffrey

On 08/07/2014 12:20 AM, Ion Toloaca wrote:
Hello Jefrey,

      I followed your advice and added parse trees to my grammar.
However this only confirmed my doubts - for this particular example
there are 2 parse trees - one that doesn't contain the 'Notation' rule at all,
and another one that contains it with [start,length] = [6,20].
      Therefore,why [start,length]=[16,10] is to be expected in this case?
https://github.com/itoloaca/Notation-Based-Parsing/blob/master/output.txt


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