===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/tmux.1,v
retrieving revision 1.652
retrieving revision 1.653
diff -u -r1.652 -r1.653
--- src/usr.bin/tmux/tmux.1	2019/05/25 16:51:10	1.652
+++ src/usr.bin/tmux/tmux.1	2019/05/26 12:02:42	1.653
@@ -1,4 +1,4 @@
-.\" $OpenBSD: tmux.1,v 1.652 2019/05/25 16:51:10 nicm Exp $
+.\" $OpenBSD: tmux.1,v 1.653 2019/05/26 12:02:42 nicm Exp $
 .\"
 .\" Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
 .\"
@@ -14,7 +14,7 @@
 .\" IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 .\" OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: May 25 2019 $
+.Dd $Mdocdate: May 26 2019 $
 .Dt TMUX 1
 .Os
 .Sh NAME
@@ -3989,9 +3989,16 @@
 Positive numbers count from the start of the string and negative from the end,
 so
 .Ql #{=5:pane_title}
-will include at most the first 5 characters of the pane title, or
+will include at most the first five characters of the pane title, or
 .Ql #{=-5:pane_title}
-the last 5 characters.
+the last five characters.
+A suffix or prefix may be given as a second argument - if provided then it is
+appended or prepended to the string if the length has been trimmed, for example
+.Ql #{=/5/...:pane_title}
+will append
+.Ql ...
+if the pane title is more than five characters.
+.Pp
 Prefixing a time variable with
 .Ql t:
 will convert it to a string, so if