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All the Perl that's Practical to Extract and Report

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  • A couple of minor points in your grammar:

    You define the tokens 'line' and 'lines' but don't use them anywhere.
    Also your 'test' does'nt have the terminating "\n", so the entire set of tests are all on one line.

    Possibly you should define
          tests ::= lines

    and have tests as the starting point of the grammar. That should do it - I think.