Sony KDL-40EX640 License Agreement page 26

2. Altered versions must be plainly marked as such and must
not be misrepresented as being the original source.
3. This Copyright notice may not be removed or altered from
any source or altered source distribution.
The Contributing Authors specifically permit, without fee,
and encourage the use of this source code as a component
to supporting the MNG and JNG file format in commercial
products. If you use this source code in a product,
acknowledgment would be highly appreciated.
Parts of this software have been adapted from the libpng
package.
Although this library supports all features from the PNG
specification (as MNG descends from it) it does not require the
libpng package.
It does require the zlib library and optionally the IJG jpeg
library, and/or the "little-cms" library by Marti Maria
(depending on the inclusion of support for JNG and Full-Color-
Management respectively.
This library's function is primarily to read and display MNG
animations. It is not meant as a full-featured image-editing
component! It does however offer creation and editing
functionality at the chunk level.
(future modifications may include some more support for
creation and or editing)
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fontconfig Software
fontconfig/fontconfig/fontconfig.h
Copyright (c) 2001 Keith Packard
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby
granted without fee, provided that the above copyright notice
appear in all copies and that both that copyright notice and
this permission notice appear in supporting documentation,
and that the name of Keith Packard not be used in advertising
or publicity pertaining to distribution of the software without
specific, written prior permission. Keith Packard makes no
representations about the suitability of this software for any
purpose. It is provided "as is" without express or implied
warranty.
THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY
SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
OF THIS SOFTWARE.