Patch: don't save tiles that are equal to the default tile

[Cyrille Berger]

On Tuesday 16 March 2010, Dmitry Kazakov wrote:
> There is (was?) another bug you can fix: after loading a .kra file the
> default pixel of the paint device is not restored and is set to (0,0,0,0).
> I think this should be done at the level of KisPaintDevice.
yes I am working on a patch for that, just waiting for tests to pass.

-- 
Cyrille Berger