adam@1400: Copyright (c) 2008-2011, Adam Chlipala
adamc@427: All rights reserved.
adamc@427: 
adamc@427: Redistribution and use in source and binary forms, with or without
adamc@427: modification, are permitted provided that the following conditions are met:
adamc@427: 
adamc@427: - Redistributions of source code must retain the above copyright notice,
adamc@427:   this list of conditions and the following disclaimer.
adamc@427: - Redistributions in binary form must reproduce the above copyright notice,
adamc@427:   this list of conditions and the following disclaimer in the documentation
adamc@427:   and/or other materials provided with the distribution.
adamc@427: - The names of contributors may not be used to endorse or promote products
adamc@427:   derived from this software without specific prior written permission.
adamc@427: 
adamc@427: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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adamc@427: INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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adamc@427: ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@427: POSSIBILITY OF SUCH DAMAGE.