Recommend to use `describe-symbol'

README.org

@@ -736,7 +736,8 @@ output to =stdout=.
 :END:
 
 Table [[tab:help-key-bindings]] lists a number of key bindings to start playing with
-the help facilities of Emacs.
+the help facilities of Emacs.  Try {{{kbd(C-h o)}}} instead of {{{kbd(C-h f)}}}
+or {{{kbd(C-h v)}}}.
 
 #+attr_latex: :booktabs yes :float table
 #+caption[Help key bindings]:
@@ -4347,6 +4348,15 @@ later.
     (custom-set-variables
      '(tempo-interactive t))
 
+    (defun setup-tempo-map ()
+      "Initialize a local map for `tempo' key bindings."
+      (define-prefix-command 'tempo-map)
+      (local-set-key (kbd "C-c t") 'tempo-map)
+      ;; define keys for complete-tag and movement through stops
+      (define-key tempo-map (kbd "c") #'tempo-complete-tag)
+      (define-key tempo-map (kbd "f") #'tempo-forward-mark)
+      (define-key tempo-map (kbd "b") #'tempo-backward-mark))
+
     (defun tempo-latex-environment-handler (element)
       (when-let ((ok (eq element 'latex-environment))
                  (environment