parrt/antlr4 — pull request #22 by sharwell (2012-02-23 22:54:21+00:00)
Title: Various updates

Lots of little things. Pay particular attention to

* 5ab1c3319c, db4ce6dd8e, 2c8ef6470f, 019ea15e3f to address problems I had while debugging. Especially look at 2c8ef6470f.

* Listeners are contravariant now (1c8efd6a48)