[poppler] Re: GPL & code commits (was Alternate Patch for CharCodeToUnicode.cc)

[Brad Hards]

On Sunday 22 January 2006 09:56 am, Leonard Rosenthol wrote:
> [apology in advance for GPL discussion]
>
> At 06:26 PM 1/20/2006, Albert Astals Cid wrote:
> >Well, my code is mine, i am not going to let him relicense my code
> >to sell it.
>
>          But you can't prevent that by committing your code to a GPL
> application.
Albert cannot prevent redistribution under the SAME license (ie GPL), but he 
can prevent redistribution under any other license.

>          And what is to prevent me from writing a Poppler-based
> application and selling it - provided that I put the sources on the
> disk and/or provide a link?  That is perfectly legal, as I understand
> the GPL.  Even though you don't want someone else to make $$, you
> can't prevent them.
Writing such an application is fine, redistributing it is fine, selling it is 
fine, all as long as your application (not just the Poppler part) is licensed 
under the GPL (or something GPL compatible).

The effect of this is that if Derek incorporates Albert's (or mine, whatever) 
GPL fixes from Poppler into Xpdf, Glyph and Cog will only be able to sell 
Xpdf containing those fixes under the GPL, and not any other license. That 
means all Glyph and Cog's licensees will also need to comply with the GPL, 
and the commercial licensing scheme (http://www.glyphandcog.com/buy.html) 
could not apply to any version of Xpdf with those fixes.

Brad
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