This file is from a shared repository and may be used by other projects.
The description on its file description page there is shown below.
Licensing
I, the creator of this work, hereby grant the permission 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. Subject to disclaimers.
GFDL with disclaimersGNU Free Documentation License with disclaimers//en.wikipedia.org/wiki/Wikipedia:Text_of_the_GNU_Free_Documentation_License
This image was uploaded in the PNG, GIF or other lossless image format. However, it contains visible lossy compression artifacts. These artifacts may have come from the JPEG format or from saving a colorful image in the GIF format instead of the PNG format. If possible, please upload a PNG or SVG version of this image, derived from a non-lossy source so that it doesn't contain any compression artifacts (or with existing artifacts removed). After doing so, please replace all instances of the artifacted version throughout Wikipedia (noted under the "File links" header), tag the old version with {{obsolete|NewImage.ext}}, and remove this tag. For more information, see Wikipedia:Preparing images for upload.
If this file has problems with attribution, copyright, or is otherwise ineligible for Commons, then remove this tag and DO NOT transfer it; repeat violators may be blocked from editing.
Other Instructions
Endorse this file for transfer by adding |human=<your username> to this Template.
If this file is freely licensed, but otherwise unsuitable for Commons (e.g. out of Commons' scope, still copyrighted in the US), then replace this Template with {{Do not move to Commons|reason=<Why it can't be moved>}}
If you think that a local copy of this file should be retained, then replace this Template with {{Keep local|reason=<Why a local copy is needed>}}