1Copyright (C) 2017 whitequark@whitequark.org 2 3Permission to use, copy, modify, and/or distribute this software for 4any purpose with or without fee is hereby granted. 5 6THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 7WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 8MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 9ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 10WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN 11AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT 12OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 13