Copyright (c) 2005-2014 Mark Slagell
版权所有 (c) 2005-2014 Mark Slagell
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.
允许在GNU自由文档许可证、版本1.2或由自由软件基金会发布的任何后续版本的条款下，复制、发布和/或修改该文档;没有不变的部分，没有不可变章节，没有前封面文字，没有后封面文字。
A copy of the license is included in the section entitled "GNU Free Documentation License."
许可证的副本包含在“GNU自由文档许可证”一节中。