guowenxue
2020-08-21 efe27ff0ad416853f838a0fd3f11528ce80a1d5e
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TRADEMARK
=========
 
The name "libpng" has not been registered by the Copyright owners
as a trademark in any jurisdiction.  However, because libpng has
been distributed and maintained world-wide, continually since 1995,
the Copyright owners claim "common-law trademark protection" in any
jurisdiction where common-law trademark is recognized.