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Roundtrip allows the definition of bidirectional
(de-)serialization specifications. The specification language
is based on the ideas described in the paper
Invertible Syntax Descriptions: Unifying Parsing and Pretty Printing
by Tillmann Rendel and Klaus Ostermann, Haskell Symposium 2010.
This package does not provide concrete instances of the
specification classes, see the packages roundtrip-string and
roundtrip-xml instead.
The package contains slightly modified code from
Tillmann Rendel's partial-isomorphisms and invertible-syntax
packages (Copyright (c) 2010-11 University of Marburg).