The Industry choice

[Paul Rubin]

"Terry Reedy" <tjreedy at udel.edu> writes:
> > Which I find again wrong: suppose this developer used GPL-ed
> > library A, developed patches B and C. He provided you with
> > the source code of publicly available library A and a patch
> > C, but he doesn't want to release patch B.
> 
> Then he does not have to.  As I understand the GPL, as long as he does not 
> release (distribute) the patch in any form (in particular, binary), then 
> the GPL has no effect.

I think the hypothesis is that the developer distributed the patched
library.  The GPL then requires distributing source for all the
patches.