You may copy and distribute the Document in any medium,
either commercially or noncommercially, provided that this
License, the copyright notices, and the license notice saying this
License applies to the Document are reproduced in all copies, and
that you add no other conditions whatsoever to those of this
License. You may not use technical measures to obstruct or
control the reading or further copying of the copies you make or
distribute. However, you may accept compensation in exchange for
copies. If you distribute a large enough number of copies you
must also follow the conditions in section 3.
You may also lend copies, under the same conditions stated
above, and you may publicly display copies.
