Permission is granted to anyone to use this software for any purpose on any
computer system, and to alter it and redistribute it freely, subject to
the following restrictions:

1. The author is not responsible for the consequences of use of this
software, no matter how awful, even if they arise from flaws in it.

2. The origin of this software must not be misrepresented, either by
explicit claim or by omission. Since few users ever read sources, credits
must appear in the documentation.

3. Altered versions must be plainly marked as such, and must not be
misrepresented as being the original software. Since few users ever read
sources, credits must appear in the documentation.

4. This notice may not be removed or altered.
