(dvips.info)Ted Turner


Printing in black/white after colorizing
========================================

  If you have a TeX or LaTeX document written with color macros and you
want to print it in black and white there are two options.  On all
(good) PostScript devices, printing a color file will print in
corresponding gray levels.  This is useful to get a rough idea of the
colors without using expensive color printing devices.  The second
option is to replace the call to input `colordvi.tex' with
`blackdvi.tex' (and similarly for the `.sty' files).  So in the above
example, replacing the word `colordvi' with `blackdvi' suffices.
`blackdvi.tex' defines the color macros as no-ops, and so will produce
normal black/white printing.  By this simple mechanism, the user can
switch to all black/white printing without having to ferret out the
color commands.  Also, some device drivers, particularly non-PostScript
ones like screen previewers, will simply ignore the color commands and
so print in black/white.  Hopefully, in the future screen previewers
for color displays will be compatible with some form of color support.


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