procyberian/emacs
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

(describe-function-1): Do char-range check for self-insert-command.

Browse source
This commit is contained in:
Chong Yidong 2008-11-15 06:19:12 +00:00
parent 2a7e89eac7
commit 63326785af
1 changed files with 35 additions and 34 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

69
lisp/help-fns.el
View file

@ -413,41 +413,42 @@ suitable file is found, return nil."
(point)))
(terpri)(terpri)
(when (commandp function)
(let ((pt2 (with-current-buffer (help-buffer) (point))))
(if (and (eq function 'self-insert-command)
(eq (key-binding "a") 'self-insert-command)
(eq (key-binding "b") 'self-insert-command)
(eq (key-binding "c") 'self-insert-command))
(princ "It is bound to many ordinary text characters.\n")
(let* ((remapped (command-remapping function))
(keys (where-is-internal
(or remapped function) overriding-local-map nil nil))
non-modified-keys)
;; Which non-control non-meta keys run this command?
(dolist (key keys)
(if (member (event-modifiers (aref key 0)) '(nil (shift)))
(push key non-modified-keys)))
(when remapped
(princ "It is remapped to `")
(princ (symbol-name remapped))
(princ "'"))
(let ((pt2 (with-current-buffer (help-buffer) (point)))
(remapped (command-remapping function)))
(unless (memq remapped '(ignore undefined))
(let ((keys (where-is-internal
(or remapped function) overriding-local-map nil nil))
non-modified-keys)
(if (and (eq function 'self-insert-command)
(vectorp (car-safe keys))
(consp (aref (car keys) 0)))
(princ "It is bound to many ordinary text characters.\n")
;; Which non-control non-meta keys run this command?
(dolist (key keys)
(if (member (event-modifiers (aref key 0)) '(nil (shift)))
(push key non-modified-keys)))
(when remapped
(princ "It is remapped to `")
(princ (symbol-name remapped))
(princ "'"))
(when keys
(princ (if remapped ", which is bound to " "It is bound to "))
;; If lots of ordinary text characters run this command,
;; don't mention them one by one.
(if (< (length non-modified-keys) 10)
(princ (mapconcat 'key-description keys ", "))
(dolist (key non-modified-keys)
(setq keys (delq key keys)))
(if keys
(progn
(princ (mapconcat 'key-description keys ", "))
(princ ", and many ordinary text characters"))
(princ "many ordinary text characters"))))
(when (or remapped keys non-modified-keys)
(princ ".")
(terpri)))))
(when keys
(princ (if remapped ", which is bound to " "It is bound to "))
;; If lots of ordinary text characters run this command,
;; don't mention them one by one.
(if (< (length non-modified-keys) 10)
(princ (mapconcat 'key-description keys ", "))
(dolist (key non-modified-keys)
(setq keys (delq key keys)))
(if keys
(progn
(princ (mapconcat 'key-description keys ", "))
(princ ", and many ordinary text characters"))
(princ "many ordinary text characters"))))
(when (or remapped keys non-modified-keys)
(princ ".")
(terpri))))
(with-current-buffer (help-buffer)
(fill-region-as-paragraph pt2 (point))
(unless (looking-back "\n\n")