"John Doe" wrote in message
...
but white text on a dark background is
better for reading.

Damn! Printed books have had it the wrong way round for all those centuries
:-)

Joking apart, I know what you mean: when I first saw black-on-white in GEM
and the Apple II, having been used to white-on-black (or even amber- or
green-on-black) VDUs, I thought that GEM/Apple looked hideous.