man-pages.7: Add a use case for real minus character

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
G. Branden Robinson 2017-10-22 06:11:28 -04:00 committed by Michael Kerrisk
parent 679f40d6a5
commit e789e07cb1
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@ -868,6 +868,8 @@ Finally, note that "re-create" and "recreate" are two different verbs,
and the former is probably what you want.
.SS Real minus character
Where a real minus character is required (e.g., for numbers such as \-1,
for man page cross references such as
.BR utf\-8 (7),
or when writing options that have a leading dash, such as in
.IR "ls\ \-l"),
use the following form in the man page source: