[antlr-interest] some v4 examples

[Terence Parr]

On Jan 3, 2012, at 8:52 PM, Kyle Ferrio wrote:

> 
> I just did a side-by-side comparison of Cymbol.g4 to Cymbol.g.  (True, the latter currently has features missing from the former, and the former does not demonstrate associativity yet.)  Wow.  What an improvement in readability.  Honey Badger ain't afraid of no left recursion!

It's sooo nice for expressions and things like C declarations. I'm in the middle of trying to get the parts listener events to look right for left recursive stuff even though I don't implemented that way.
Ter