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Add a cross ref to Optional Mode Line

* doc/lispref/modes.texi (Mode Line Variables): Add a cross
reference to the Emacs mode line node that explains things
like `display-time-string' (bug#21002).

(cherry picked from commit a3151a2878)
This commit is contained in:
Lars Ingebrigtsen 2016-04-30 22:42:46 +02:00
parent ecdb340c2d
commit 7907b82297

View File

@ -1912,7 +1912,8 @@ could have the same effects on the mode line if the value of
@code{mode-line-format} is changed to use them. However, various parts
of Emacs set these variables on the understanding that they will control
parts of the mode line; therefore, practically speaking, it is essential
for the mode line to use them.
for the mode line to use them. Also see
@ref{Optional Mode Line,,, emacs, The GNU Emacs Manual}.
@defvar mode-line-mule-info
This variable holds the value of the mode line construct that displays