[H-GEN] antlr grammar

[Clinton Roy]

During my antlr talk last Saturday a I was called on to display the
antlr3 grammar for antlr3 itself, and I wasn't able to comply because
antlr 3.0 uses antlr 2.0 grammar parser.

Happily, this is no longer the case:
http://www.antlr.org/grammar/ANTLR

cheers,
-- 
Clinton Roy
CSIRO - Robotics Platform Engineer
Autonomous Systems Lab

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