> What About Unmodifiable Software Licenses Like the GNU GPL?
Strike that text! It's not true. Noting
<http://www.gnu.org/licenses/gpl-faq.html#ModifyGPL>, let me try:
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The Free Software Foundation clarifies what it means by "...but changing
[the GPL] is not allowed" in its GPL FAQ at
<http://www.gnu.org/licenses/gpl-faq.html#ModifyGPL>. In brief, this
says that you may change the GPL provided that:
1) You remove the FSF's endorsement of the license which
is the preamble. The Debian Project has no problem with
this; it is certainly an author's right to refuse to
endorse arbitrary changes.
2) You do not call the license "GPL" and make it clear that it
isn't the GPL. We understand that certain types of software,
require this, and thus our DFSG explicitly permits this,
stating "The license may require derived works to carry a
different name or version number from the original software."
So, the full terms that the GPL is distributed under, as explained on
the FSF website, actually comply with the DFSG.
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