Re: [Groff] Color and older PS printers

[Werner LEMBERG]

> > A diff between files generated by each version (with the -c option
> > on 1.18.1)) gives assorted setxxxcolor/setgray etc., commands.
> > The QMS printer reports "Postscript Version 52.4".
> > 
> > So, /should/ older PS printers work, or is their some other method
> > for defeating color on some printers, not on others (for example,
> > some special option to grops)?

> As Ted later pointed out, the PostScript now being generated by
> grops assumes an interpreter that can cope with setgray, etc.,
> i.e. Level 2.

This is not fully correct.  `setgray' and `setrgbcolor' are level 1.
`setcmykcolor' is level 2, but by default not used in any color
definitions.  For the moment, simply comment out the /Fk and /Ck
commands in the font/devps/prologue.ps.  I'll try to fix this soon.

> (It seems that grops should have an option to stick to Level 1
> facilities but maybe this isn't practical.)

I'll think about it.


    Werner