Base timer-list-mode on tabulated-list-mode (Bug#40854)

* lisp/emacs-lisp/timer-list.el (list-timers)
(timer-list-mode): Inherit from 'tabulated-list-mode' instead of
'special-mode' and make the necessary changes to support that.

* doc/lispref/os.texi (Timers): Update documentation.

1 files changed, 3 insertions, 3 deletions

diff --git a/doc/lispref/os.texi b/doc/lispref/os.texi
index 5c0b1e2edf0..8bf48b1dbba 100644
--- a/doc/lispref/os.texi
+++ b/doc/lispref/os.texi
@@ -2182,9 +2182,9 @@ cause anything special to happen.
 
 @findex list-timers
 The @code{list-timers} command lists all the currently active timers.
-There's only one command available in the buffer displayed: @kbd{c}
-(@code{timer-list-cancel}) that will cancel the timer on the line
-under point.
+The command @kbd{c} (@code{timer-list-cancel}) will cancel the timer
+on the line under point.  You can sort the list by column using the
+command @kbd{S} (@code{tabulated-list-sort}).
 
 @node Idle Timers
 @section Idle Timers