boostorg/phoenix — pull request #3 by vtnerd (2014-04-14 00:50:52+00:00)
Title: Bugfix/basic expr

Phoenix terminals use proto::basic_expr but operators use proto::expr since phoenix implements the operators directly. This tells proto to use proto:basic_expr when building the syntax tree for consistency.

A little more background information can be found on the mailing list: http://boost.2283326.n4.nabble.com/Phoenix-and-proto-basic-expr-td4661267.html