diff options
| -rw-r--r-- | lisp/help.el | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/lisp/help.el b/lisp/help.el index 325ac7b4787..acecb29bc07 100644 --- a/lisp/help.el +++ b/lisp/help.el @@ -421,6 +421,26 @@ Returns the documentation as a string, also." ;; Return the text we displayed. (save-excursion (set-buffer standard-output) (buffer-string)))) +(defun where-is (definition) + "Print message listing key sequences that invoke specified command. +Argument is a command definition, usually a symbol with a function definition." + (interactive + (let ((fn (function-called-at-point)) + (enable-recursive-minibuffers t) + val) + (setq val (completing-read (if fn + (format "Where is command (default %s): " fn) + "Where is command: ") + obarray 'fboundp t)) + (list (if (equal val "") + fn (intern val))))) + (let* ((keys (where-is-internal definition overriding-local-map nil nil)) + (keys1 (mapconcat 'key-description keys ", "))) + (if (> (length keys1) 0) + (message "%s is on %s" definition keys1) + (message "%s is not on any key" definition))) + nil) + (defun command-apropos (string) "Like apropos but lists only symbols that are names of commands \(interactively callable functions). Argument REGEXP is a regular expression |