On Fri, Jul 06, 2012 at 11:35:34AM +0200, Christophe-Marie Duquesne wrote: > I take the > header of the closed-source library, wipe out the comments and (...) In that case I see no doubt that you start from the closed-source work. I have read other comments in this thread suggesting different approaches, and I'm not sure where exactly to draw the line. Regards, Bart Martens