Hello golang-dev@googlegroups.com, I'd like you to review this change to https://code.google.com/p/go
LGTM Thanks.
*** Submitted as http://code.google.com/p/go/source/detail?r=c99aad44d76c *** cmd/yacc: allow leading underscore in token name Fixes issue 4037. R=golang-dev, rsc CC=golang-dev http://codereview.appspot.com/6488093