Copyright Notice¶

Copyright (C) 2017-2020  Dave Parillo. Permission is granted to copy, distribute
and/or modify this document under the terms of the GNU Free Documentation
License, Version 1.3 or any later version published by the Free Software
Foundation; with Invariant Sections being Forward, Prefaces, and
no Front-Cover Texts, and no Back-Cover Texts.  A copy of
the license is included in the section entitled GNU Free Documentation License.