Copyright 2010 Jeffrey Kegler
Jeffrey Kegler retains full rights to the documents in this directory.
In particular, this includes the right to prevent unauthorized
modifications to these documents.

The files in this directory are background documents of a theoretical
and academic nature.  They are not part of the source for any
software, including Marpa or Marpa::XS.  They are also not part of the
documentation necessary to use or build Marpa or Marpa::XS.

While they may be physically in a Marpa or other distribution,
including one that is under an open source license, they do not fall
under that open source license.