Name: developer/parser/happy
        Summary: The Parser Generator for Haskell
      Publisher: lnf
        Version: 1.19.5
  Build Release: 5.11
         Branch: 1.2.11.5
 Packaging Date: July  5, 2015 06:37:07 PM 
           Size: 9.09 MB
Compressed Size: 2.33 MB
           FMRI: pkg://lnf/developer/parser/happy@1.19.5,5.11-1.2.11.5:20150705T183707Z

License:

Copyright 2001, Simon Marlow and Andy Gill.  All rights reserved.

Extensions to implement Tomita's Generalized LR parsing:
  Copyright 2004, University of Durham, Paul Callaghan and Ben Medlock.
  All rights reserved.