I had a question regarding clarifying the zlib and libpng licenses versus what the OSI lists as the zlib/libpng license on their list.  Perhaps Tom, Martin, or Jeff can shed some light on this?  

The zlib license can be found here:  http://www.zlib.net/zlib_license.html

The libpng license can be found here:  http://www.libpng.org/pub/png/src/libpng-LICENSE.txt

It appears that the license terms themselves are essentially the same, with the exception of a longer explanation for clause 1 in the zlib license and a lengthier disclaimer statement in the libpng license.  Also, the libpng license includes the applicable attribution notices for the various project versions.  

Whereas, the OSI has what I would call a generic (no copyright notice at all, nor author name) version of the zlib license.  Yet, OSI lists one, which tracks most closely to the zlib license and calls it zlib/libpng:  http://www.opensource.org/licenses/zlib-license.php

Does anyone have any insight as to why this is this way on the OSI list?  More importantly, how should we handle this for our list?  List all three variations (what the OSI refers to as zlib/libpng and then the specific zlib and libpng separately) or just the OSI version or what?

I will post the latest version of the license list (with other changes as discussed in the last few meetings) after this question is resolved.

Thanks!

Jilayne Lovejoy  |  Corporate Counsel

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