DISTRIBUTION AND
MODIFICATION
0.
This License applies to any
program or other work which
contains a notice placed by the
copyright holder saying it may
be distributed under the terms of
this General Public License.
The "Program", below, refers to
any such program or work, and
a "work based on the Program"
means either the Program or any
derivative work under copyright
law: that is to say, a work
containing the Program or a
portion of it, either verbatim or
with modifications and/or
translated into another
language. (Hereinafter,
translation is included without
limitation in the term
"modification".) Each licensee
is addressed as "you".
Activities other than copying,
distribution and modification are not
covered by this License; they are
outside its scope. The act of running
the Program is not restricted, and the
output from the Program is covered
only if its contents constitute a work
based on the Program (independent
of having been made by running the
Program).
Whether that is true depends on what
the Program does.
1.
You may copy and distribute
verbatim copies of the
Program's source code as you
receive it, in any medium,
provided that you
conspicuously and
appropriately publish on each
copy an appropriate copyright
notice and disclaimer of
warranty; keep intact all the
notices that refer to this License
and to the absence of any
warranty; and give any other
recipients of the Program a copy
of this License along with the
Program.
You may charge a fee for the
physical act of transferring a copy,
and you may at your option offer
warranty protection in exchange for
a fee.
2.
You may modify your copy or
copies of the Program or any
portion of it, thus forming a
work based on the Program, and
copy and distribute such
modifications or work under the
terms of Section 1 above,
provided that you also meet all
of these conditions:
a)
You must cause the
modified files to carry
prominent notices stating
that you changed the files
and the date of any change.
b)
You must cause any work
that you distribute or
publish, that in whole or in
part contains or is derived
from the Program or any
part thereof, to be licensed
as a whole at no charge to
all third parties under the
terms of this License.
c)
If the modified program
normally reads commands
interactively when run, you
must cause it, when started
running for such
interactive use in the most
ordinary way, to print or
display an announcement
including an appropriate
copyright notice and a
notice that there is no
warranty (or else, saying
that you provide a
warranty) and that users
may redistribute the
program under these
conditions, and telling the
user how to view a copy of
this License. (Exception: if
the Program itself is
interactive but does not
normally print such an
announcement, your work
based on the Program is not
required to print an
announcement.)
These requirements apply to the
modified work as a whole. If
107
identifiable sections of that work are
not derived from the Program, and
can be reasonably considered
independent and separate works in
themselves, then this License, and its
terms, do not apply to those sections
when you distribute them as separate
works. But when you distribute the
same sections as part of a whole
which is a work based on the
Program, the distribution of the
whole must be on the terms of this
License, whose permissions for other
licensees extend to the entire whole,
and thus to each and every part
regardless of who wrote it.
Thus, it is not the intent of this
section to claim rights or contest
your rights to work written entirely
by you; rather, the intent is to
exercise the right to control the
distribution of derivative or
collective works based on the
Program.
In addition, mere aggregation of
another work not based on the
Program with the Program (or with a
work based on the Program) on a
volume of a storage or distribution
medium does not bring the other
work under the scope of this License.
3.
You may copy and distribute the
Program (or a work based on it,
under Section 2) in object code
or executable form under the
terms of Sections 1 and 2 above
provided that you also do one of
the following:
a)
Accompany it with the
complete corresponding
machine-readable source
code, which must be
distributed under the terms
of Sections 1 and 2 above
on a medium customarily
used for software
interchange; or,
b)
Accompany it with a
written offer, valid for at
least three years, to give
any third party, for a charge
no more than your cost of
physically performing