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I, the copyright holder of this work, hereby publish it under the following licenses:

GNU head 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.
This work is licensed under the Creative Commons Attribution ShareAlike 3.0 Unported License. In short: you are free to share and make derivative works of the work under the conditions that you appropriately attribute it, and that you distribute it only under a license compatible with this one.
You may select the license of your choice.