Why the distinction between free software and GPL software is important
kassube at gmx.net
Thu Apr 26 12:14:46 UTC 2007
On Thursday 26 April 2007 12:35, Mark Wallace wrote:
> The reason why the distinction between free and GPL software is
> important is someone could get into a lot of trouble is they took
> Reader and used it as a basis to reverse engineer a product that
> would compete with the Acrobat full suite.
Would you care to elaborate what definition of "free" you have in mind
here? If you look it up at e.g. www.dictionary.com you get many
definitions for "free", but only a few talk about the absence of money /
> He would be free to do
> that with XPDF, and could turn around and make what he did
> proprietary, as long as he made the original xpdf available for free.
I think xpdf is distributed under the GPL. Therefore the changes may
become proprietary, but the combined product, i.e. the modified xpdf, may
not become proprietory. The modified xpdf may only be distributed under
the terms of the GPL.
More information about the kubuntu-users