[antlr-interest] stuck on tree parsing, need help

[David Minor]

Hi I'm a newbie,
I'm sure I've done something stupid here, but the error messages seem to be
all pointing to the wrong problem.  PearGrammer.g seems to be OK but
PearGrammerTree.g complains about an undefined rule, that is defined right
above it. Punctuation problem? Unmatched comments? I can't find it.
Thanks,
David
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