Copyright © 2004 Андрей Мюллер. Этот объект является open source. Вы можете копировать, распространять и/или модифицировать его следуя положениям лицензии Universal General Public License (UGPL).
Вот некоторые важные части UGPL:
Distribution Concerns
You may not copy, modify, sublicense, or distribute the Object except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense or distribute the object is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights, from you under this License will not have their licenses terminated so long as such parties remain in full compliance.