Copyleft, GPL (was: FDL University-courses II)
Achim D. Brucker
brucker at informatik.uni-freiburg.de
Thu Jul 18 11:16:37 UTC 2002
[discussion about GPL beeing viral]
> > I' would happily adopted a better term describing this special GPL feature of
> > protecting the freedom of software, spontaneous I would prefer sticky over
> > persistent.
>
> Copyleft: "Copyleft is a general method for making a program free software
> and requiring all modified and extended versions of the program to
> be free software as well."
> (http://www.gnu.org/licenses/licenses.html#WhatIsCopyleft)
not quite, as I unterstood the use of "viral", the LGPL is non-viral. But, as
always, re-reading the "GNU Licenses page" clariefies things a lot. In my
experience, the use "viral" mostly describes the difference between
a "strong Copyleft" (e.g. GNU GPL) and a "weak Copyleft" (e.g. GNU LGPL).
Therefore I will happily switch to the "strong" and "weak" Copyleft.
Achim
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