grayscale text in eps images

Wow, I was going crazy trying to reproduce this. Your

    > script works fine. Try this one:

    ....

    > Both the x *and* y axes have to be set_visible(False) to
    > reproduce the behavior.

OK, that helps. Thanks.

The problem can be fixed in backend_ps RendererPS.set_color, change
the line

            self.color = (r,g,b)

to

            if store: self.color = (r,g,b)

Thanks for the report and example.

JDH