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| Copyright (c) 1998-2000 Greg Roelofs. All rights reserved. | |
| This software is provided "as is," without warranty of any kind, | |
| express or implied. In no event shall the author or contributors | |
| be held liable for any damages arising in any way from the use of | |
| this software. | |
| Permission is granted to anyone to use this software for any purpose, | |
| including commercial applications, and to alter it and redistribute | |
| it freely, subject to the following restrictions: | |
| 1. Redistributions of source code must retain the above copyright | |
| notice, disclaimer, and this list of conditions. | |
| 2. Redistributions in binary form must reproduce the above copyright | |
| notice, disclaimer, and this list of conditions in the documenta- | |
| tion and/or other materials provided with the distribution. | |
| 3. All advertising materials mentioning features or use of this | |
| software must display the following acknowledgment: | |
| This product includes software developed by Greg Roelofs | |
| and contributors for the book, "PNG: The Definitive Guide," | |
| published by O'Reilly and Associates. | |
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