User's Manual

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5. You are not required to accept this License, since you have
not signed it. However, nothing else grants you permission
to modify or distribute the Program or its derivative works.
These actions are prohibited by law if you do not accept
this License.
Therefore, by modifying or distributing the Program (or any
work based on the Program), you indicate your acceptance
of this License to do so, and all its terms and conditions for
copying, distributing or modifying the Program or works
based on it.
6. Each time you redistribute the Program (or any work based
on the Program), the recipient automatically receives a
license from the original licensor to copy, distribute or
modify the Program subject to these terms and conditions.
You may not impose any further restrictions on the
recipients’ exercise of the rights granted herein. You are not
responsible for enforcing compliance by third parties to
this License.
7. If, as a consequence of a court judgment or allegation of
patent infringement or for any other reason (not limited
to patent issues), conditions are imposed on you (whether
by court order, agreement or otherwise) that contradict
the conditions of this License, they do not excuse you from
the conditions of this License. If you cannot distribute so
as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a
consequence you may not distribute the Program at all.
For example, if a patent license would not permit royalty-
free redistribution of the Program by all those who receive
copies directly or indirectly through you, then the only
way you could satisfy both it and this License would be to
refrain entirely from distribution of the Program.
If any portion of this section is held invalid or
unenforceable under any particular circumstance, the
balance of the section is intended to apply and the section
as a whole is intended to apply in other circumstances.
It is not the purpose of this section to induce you to
infringe any patents or other property right claims or
to contest validity of any such claims; this section has
the sole purpose of protecting the integrity of the free