Epson PowerLite 1830W Guide De L'utilisateur page 212

Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must
not claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation
would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must
not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source
distribution.
Jean-loup Gailly
jloup@gzip.org
Mark Adler
madler@alumni.caltech.edu
If you use the zlib library in a product, we would appreciate *not*
receiving lengthy legal documents to sign. The sources are provided
for free but without warranty of any kind. The library has been
entirely written by Jean-loup Gailly and Mark Adler; it does not
include third-party code.
If you redistribute modified sources, we would appreciate that you
include in the file ChangeLog history information documenting your
changes.
libmd5-rfc
This projector product includes the open source software program
"libmd5-rfc" which applies the terms and conditions provided by
owner of the copyright to the "libmd5-rfc".
The "libmd5-rfc" are WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE.
List of libmd5-rfc programs
libmd5-rfc
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