I agree to multi-license all my contributions, with the exception of my user pages, as described on my English Wikipedia user page. Additionally, Wikimedia may re-license as it sees fit:
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I grant non-exclusive permission for the Wikimedia Foundation Inc. to relicense my text and media contributions, including any images, audio clips, or video clips, under any copyleft license that it chooses, provided it maintains the free and open spirit of the GFDL. This permission acknowledges that future licensing needs of the Wikimedia projects may need adapting in unforeseen fashions to facilitate other uses, formats, and locations. It is given for as long as this banner remains.
Also, for the convenience of Wikimedia Commons administrators and users, I hereby explicitly relicense these contributions here via the following licenses:
I, the copyright holder of this work, hereby publish it under the following licenses: