You might be interested in the very straightforward, brief and (mostly) humorous license from Ask Bjoern Hansen:

(From mod_proxy_add_forward.c)

/* =================================================================
 * "THE FOO LICENSE" (Revision 3.14159265358979323844): 
 *
 * <ask@netcetera.dk> wrote this file. As long as you retain this
 * notice you can do whatever you want with this stuff. If it does
 * anything you didn't want it to do, it is of course your own fault.
 * If we meet some day, and you think this stuff is worth it, you
 * can buy me a beer in return. - Ask Bjoern Hansen.
 *                              
 * =================================================================
 */
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Chris
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