[ANN] ruby_parser 3.1.3 Released

ruby_parser version 3.1.3 has been released!

* home: <https://github.com/seattlerb/ruby_parser>
* rdoc: <http://docs.seattlerb.org/ruby_parser>
* bugs: <https://github.com/seattlerb/ruby_parser/issues>

ruby_parser (RP) is a ruby parser written in pure ruby (utilizing
racc--which does by default use a C extension). RP's output is
the same as ParseTree's output: s-expressions using ruby's arrays and
base types.

As an example:

  def conditional1 arg1
    return 1 if arg1 == 0
    return 0
  end

becomes:

  s(:defn, :conditional1, s(:args, :arg1),
    s(:if,
      s(:call, s(:lvar, :arg1), :==, s(:lit, 0)),
      s(:return, s(:lit, 1)),
      nil),
    s(:return, s(:lit, 0)))

Changes:

### 3.1.3 / 2013-04-09

* 2 bug fixes:

  * Fixed begin w/ else but no rescue. (whitequark)
  * Removed literal stripping from block_append. Not its job.