[antlr-interest] Syntactic Predicate gating and @init

[Christian Schladetsch]

Doh. Sorry, I just re-read what you posted and fixed my brain. I didn't know
about the pre-matching actions:

rule: { code(); } subules { morecode(); };

That is exactly what I needed and what my @init { if (BACKTRACKING == 0)
code(); } did.

Cheers,
Christian.
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