bug#49265: [External] : bug#49265: 28.0.50; repeat mode feature request

[Robert Pluim <rpluim@gmail.com>]

>>>>> On Wed, 17 Nov 2021 19:01:37 +0200, Juri Linkov <juri@linkov.net> said:

    Juri> Hi Robert,
    Juri> What do you think about using `map-keymap' in `describe-repeat-maps'
    Juri> to fix the following problem?  Could it help to print all keys
    Juri> bound to the same command?

    >> I noticed one shortcoming: describe-repeat-maps prints
    >> only one keybinding for every command.  But sometimes
    >> the same command is bound to more than 1 key in the same keymap.

You donʼt need `map-keymap' for that:

diff --git a/lisp/repeat.el b/lisp/repeat.el
index 45201ad1aa..5458ff30e5 100644
--- a/lisp/repeat.el
+++ b/lisp/repeat.el
@@ -533,10 +533,11 @@ describe-repeat-maps
           (dolist (command (sort (cdr keymap) 'string-lessp))
             (let* ((info (help-fns--analyze-function command))
                    (map (list (symbol-value (car keymap))))
-                   (desc (key-description
-                          (or (where-is-internal command map t)
-                              (where-is-internal (nth 3 info) map t)))))
-              (princ (format-message " `%s' (bound to '%s')\n" command desc))))
+                   (desc (mapconcat (lambda (key)
+                                      (format "'%s'" (key-description key)))
+                                    (or (where-is-internal command map)
+                                        (where-is-internal (nth 3 info) map)) ", ")))
+              (princ (format-message " `%s' (bound to %s)\n" command desc))))
           (princ "\n"))))))
 
 (provide 'repeat)