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

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man7/man-pages.7 b/man7/man-pages.7
index 6747627230ab4b7c7faaae91b494496464a61c3c..0b4647a796deda18c64b9ce2cab6da6bcce34556 100644 (file)
--- a/man7/man-pages.7
+++ b/man7/man-pages.7
@@ -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: