This is an adaptation of Daan Leijen's "PPrint" library, which itself is based
on the ideas developed by Philip Wadler in "A Prettier Printer". For more
information about Wadler's and Leijen's work, please consult the following
references:

   http://www.cs.uu.nl/~daan/pprint.html
   http://homepages.inf.ed.ac.uk/wadler/papers/prettier/prettier.pdf

To install PPrint, type "make -C src install". ocamlfind is required.

The documentation for PPrint is built by "make doc" and is found in the
file doc/index.html.