Parrot Virtual Machine/Licensing
The text of this book is released under the following license:
| Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License."
GFDL GNU Free Documentation License
Parrot, it's source code, and the tools required to build it are released under the terms of the Artistic License 2.0.
Compatibility with Artistic 2.0
Parrot and most of it's documentation library is released under the terms of the Artistic 2.0 license. For maximum compatibility, and for the ability to reuse content developed here on Wikibooks in other places in the Parrot ecosystem, some users have opted to have their contributions to this book explicitly dual-licensed GFDL and Artistic 2.0:
Contributions to this book by users who are listed above may be reused under the Artistic 2.0 license where necessary. This is not a condition to editing this book, and edits made by users who have not listed themselves above are to be considered GFDL-only.