bug#16866: 24.3.50; printing region gives non colorized output

[Eli Zaretskii]

> Date: Mon, 24 Feb 2014 17:45:17 +0100
> From: "Stefan-W. Hahn" <stefan.hahn@s-hahn.de>
> 
> if printing a buffer with postscript the out is colorized. If printing
> a region of the same buffer the output is bw.
> 
> To test it I tried to print the *scratch* buffer with it's initial text.
> If I print the whole buffer the output is colorized, if mark the whole
> buffer and print that marked region I got a bw output.

The former uses text properties, the latter uses overlays.  If you put
an overlay on a portion of text, I don't think you will get it in
print, since overlays are not considered part of the buffer text.