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Redistribution and use in source code and binary form, with or without modifications, is permitted, subject to the following conditions:

1. Redistributions of source code must retain the above copyright notice, the list of conditions, and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, list of conditions and the following disclaimer in the documentation and/or other materials provided.

3. The name of the copyright holder or the name of its contributors may not be used to endorse or promote products based on this software without specific prior written permission.

4. Once the source code has been licensed for use by its owner, the licensee will have all rights to the source code in perpetuity (unless the original author of the code revokes his rights). The license is free, there are no royalties, and there are no fees for the early and late stages. Authorization can be revoked, but only by the original author of the code. The copyright of the modified code remains with the original author.

5. If the code of the PEG license is modified or derived, all modified code, additional code involving the modified portions and derived code must comply with the PEG license. Code that complies with the PEG license must be open source and free.

This software is provided by copyright holders and contributors "as is" without warranty of any kind, either express or implied, including, but not limited to, warranties of merchantability and fitness for a particular purpose. In no event shall the copyright holder or contributor be liable for any direct, indirect, incidental, special, exemplary, or consequential damages (including, but not limited to, loss of procurement, use, data, or profits of substitute goods or services, or business interruption), even if advised of the possibility of such damages.

This source code form is not compatible with the Secondary License, as defined in the PEG License, version 1.0.