"Potrace" is a trademark of Peter Selinger. "Potrace Professional" and "Icosasoft" are
 trademarks of Icosasoft Software Inc. Other trademarks belong to their respective owners. 

This program is free software; you can redistribute it and/or modify it under the terms
of the GNU General Public License as published by the Free Software Foundation; 
either version 2, or (at your option) any later version.

Furthermore, this program calls the Potrace Python Library by Tatarize, 
which is permitted to be relicensed under any terms the Peter Selinger's
original Potrace is licensed under. 
If he broadly publishes the software under a more permissive license the Potrace Pyton
port should be considered licensed as such as well, as well as this program.

Further, if you purchase a proprietary license for inclusion within commercial
software under Peter Selinger's Dual Licensing program your use of this software
shall be under whatever terms he permits for that. 
Any contributions to this port must be made under equally permissive terms.

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.