(This license is based on one written by Ian F. Darwin.)

This software is not subject to any export provision of the United
States Department of Commerce, and may be exported to any country,
planet, or star system.

Permission is granted to any sentient being 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.