[sane-devel] Avision.c copyrights

[m. allan noah]

On Tue, Jan 27, 2009 at 1:56 PM, Ed Hamrick <EdHamrick at aol.com> wrote:
> René Rebe isn't the sole copyright holder of avision.c,
> and he's been making modifications that he hasn't
> been putting into SANE.  The other copyright holders are:
>
> Meino Christian Cramer
> Jose Paulo Moitinho de Almeida
>
> Other contributors (who contributed based on the GPL provisions):
>
> Gunter Wagner
> Martin Jelínek
> Marcin Siennicki
> Frank Zago
> Avision INC
> Franz Bakan
> Falk Rohsiepe
>
> I've asked him to release the source code to avision.c, and
> I'm waiting to see it.  I want to see how he got the Xerox
> DocuMate 150 working in avision.c.  I don't have one, and
> one of my customers wants to use it with VueScan.
>

A reasonable request, however it makes your Avision support code a
derivative of of SANE, and therefore you must also release that under
the GPL when a user asks for all your SANE derived code. The same
would be true for any other backends that you looked at or borrowed
from.

allan
-- 
"The truth is an offense, but not a sin"