License for 标识符对大小写敏感的情况
This page is licensed under both of the following two licenses:
- The Creative Commons Attribution/ShareAlike 3.0 Unported license (CC-BY-SA).
- The Gnu FDL license (GFDL or FDL).
Please seek proper legal advice if you are in any doubt about what you are and are not allowed to do with material released under these licenses.