| diff --git a/third_party/ply/__init__.py b/third_party/ply/__init__.py | 
 | index 853a985..f3da03e 100644 | 
 | --- a/third_party/ply/__init__.py | 
 | +++ b/third_party/ply/__init__.py | 
 | @@ -1,4 +1,36 @@ | 
 |  # PLY package | 
 |  # Author: David Beazley (dave@dabeaz.com) | 
 | +# ----------------------------------------------------------------------------- | 
 | +# ply: yacc.py | 
 | +# | 
 | +# Copyright (C) 2001-2011, | 
 | +# David M. Beazley (Dabeaz LLC) | 
 | +# All rights reserved. | 
 | +# | 
 | +# Redistribution and use in source and binary forms, with or without | 
 | +# modification, are permitted provided that the following conditions are | 
 | +# met: | 
 | +# | 
 | +# * Redistributions of source code must retain the above copyright notice, | 
 | +#   this list of conditions and the following disclaimer. | 
 | +# * Redistributions in binary form must reproduce the above copyright notice, | 
 | +#   this list of conditions and the following disclaimer in the documentation | 
 | +#   and/or other materials provided with the distribution. | 
 | +# * Neither the name of the David Beazley or Dabeaz LLC may be used to | 
 | +#   endorse or promote products derived from this software without | 
 | +#  specific prior written permission. | 
 | +# | 
 | +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 
 | +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 
 | +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 
 | +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 
 | +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 
 | +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 
 | +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 
 | +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 
 | +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
 | +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
 | +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
 | +# ----------------------------------------------------------------------------- | 
 |   | 
 |  __all__ = ['lex','yacc'] |