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# Image credits
## Icons and button graphics
Most of the images in this directory were made with The Gimp and Inkscape.
They were created in my spare time as a donation to the Proof General
project. The images here are released under the Creative Commons
license, see https://creativecommons.org/licenses/by-sa/3.0/
The Inkscape-based search icon includes portions from Andrew
Fitzsimon's Etiquette search icon (under CC 2.0).
[ Inkscape-based icons forthcoming ]
Note for developers: the sources for images have been moved
to the PG graphics repository.
David Aspinall <da@inf.ed.ac.uk>
## Proof General logo
The 2016 “chibi” icons were contributed by Yoshihiro Imai
(http://proofcafe.org/~yoshihiro503/, http://proofcafe.org/wiki/Generaltan).
They are available under the CC-BY-SA 3.0 license; for more information, see
https://creativecommons.org/licenses/by-sa/3.0/
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