schema definitions for the config-value package; documentation

 This package makes it possible to defined schemas for use when
 loading configuration files using the config-value format.
 These schemas can be used to be process a configuration file into
 a Haskell value, or to automatically generate documentation for
 the file format.
 .
 This package provides the documentation for a library for the Haskell
 programming language.
 See http://www.haskell.org/ for more information on Haskell.