This documentation is Copyright (C) 2009-2014 Salvatore Sanfilippo and
is released under the following license:

Creative Commons Attribution-ShareAlike 4.0 International

You can find the full text of the license in the Creative Commons web site
at the following URL:

http://creativecommons.org/licenses/by-sa/4.0/

The following is a human-readable summary of (and not a substitute for)
the license:

You are free to:

* Share — copy and redistribute the material in any medium or format
* Adapt — remix, transform, and build upon the material

for any purpose, even commercially.

The licensor cannot revoke these freedoms as long as you follow the license
terms.
