Useful re-usable boilerplate

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Thanks for adding to Wikipedia. I see that your recent contribution resembles the following text [1] a lot. There is a policy here that all text submitted to wikipedia must be licensed under the GNU Free Documentation License. If you have written the original text yourself then this is no problem, otherwise you must contact the original owner and ask for permission. Did you do that?

Multi-licensed with the Creative Commons Attribution Share-Alike License versions 1.0 and 2.0
I agree to multi-license my text contributions, unless otherwise stated, under Wikipedia's copyright terms and the Creative Commons Attribution Share-Alike license version 1.0 and version 2.0. Please be aware that other contributors might not do the same, so if you want to use my contributions under the Creative Commons terms, please check the CC dual-license and Multi-licensing guides.