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Improve documentation of 'ps-print-color-p'

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* doc/emacs/misc.texi (PostScript Variables): Improve and clarify
the description of 'ps-print-color-p'.  (Bug#44962)
This commit is contained in:
Eli Zaretskii 2020-12-05 12:19:27 +02:00
parent 6663b2f211
commit 6916e7954a
1 changed files with 11 additions and 6 deletions
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17
doc/emacs/misc.texi
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@ -2252,13 +2252,18 @@ off.
@vindex ps-print-color-p
If your printer doesn't support colors, you should turn off color
processing by setting @code{ps-print-color-p} to @code{nil}. By
default, if the display supports colors, Emacs produces hardcopy output
with color information; on black-and-white printers, colors are emulated
with shades of gray. This might produce illegible output, even if your
screen colors only use shades of gray.
default, if the display supports colors, Emacs produces hardcopy
output with color information; on black-and-white printers, colors are
emulated with shades of gray. This might produce barely-readable or
even illegible output, even if your screen colors only use shades of
gray.
Alternatively, you can set @code{ps-print-color-p} to @code{black-white} to
print colors on black/white printers.
@vindex ps-black-white-faces
Alternatively, you can set @code{ps-print-color-p} to @code{black-white}
to have colors display better on black/white printers. This works by
using information in @code{ps-black-white-faces} to express colors by
customizable list of shades of gray, augmented by bold and italic
face attributes.
@vindex ps-use-face-background
By default, PostScript printing ignores the background colors of the