[antlr-interest] optional rule refs

Terence Parr parrt at cs.usfca.edu
Thu Aug 23 15:10:09 PDT 2007


On Aug 23, 2007, at 2:34 PM, Hardy, Stephen wrote:

> Terence,
>
> I'm glad you are adding this feature.  The ?: operator is all over my
> tree parser code like a rash, so I would certainly appreciate the
> improved tidiness.

Yep. Agreed.  It's already in the mainline for 3.1

Ter



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