This software or documentation is provided 'as-is', without any
express or implied warranty. In no event will the author or contributors
be held liable for any damages arising from the use of this software
Permission is granted to anyone to use this software or documentation
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 or documentation must not be
misrepresented; you must not claim that you wrote the original
software or documentation. If you use this software or
documentation 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 or documentation.
Altered source versions may be contributed back to the author to be
integrated into the original software or documentation at the
3. Neither this notice or reference to it nor any copyright, author or
contributor clause may be removed from or altered in any software
source distribution or documentation covered by this license.
4. Neither the name of the author, nor the names of contributors may be
used to endorse or promote products derived from this software or
documentation without specific prior written permission.