Mercurial > hg > xemacs-beta
diff lisp/help.el @ 440:8de8e3f6228a r21-2-28
Import from CVS: tag r21-2-28
author | cvs |
---|---|
date | Mon, 13 Aug 2007 11:33:38 +0200 |
parents | a5df635868b2 |
children | abe6d1db359e |
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--- a/lisp/help.el Mon Aug 13 11:32:27 2007 +0200 +++ b/lisp/help.el Mon Aug 13 11:33:38 2007 +0200 @@ -1018,24 +1018,27 @@ This function is used by `describe-function-1' to list function arguments in the standard Lisp style." - (let* ((fndef (indirect-function function)) + (let* ((fnc (indirect-function function)) + (fndef (if (eq (car-safe fnc) 'macro) + (cdr fnc) + fnc)) (arglist - (cond ((compiled-function-p fndef) - (compiled-function-arglist fndef)) - ((eq (car-safe fndef) 'lambda) - (nth 1 fndef)) - ((subrp fndef) - (let* ((doc (documentation function)) - (args (and (string-match - "[\n\t ]*\narguments: ?(\\(.*\\))\n?\\'" - doc) - (match-string 1 doc)))) - ;; If there are no arguments documented for the - ;; subr, rather don't print anything. - (cond ((null args) t) - ((equal args "") nil) - (args)))) - (t t)))) + (cond ((compiled-function-p fndef) + (compiled-function-arglist fndef)) + ((eq (car-safe fndef) 'lambda) + (nth 1 fndef)) + ((subrp fndef) + (let* ((doc (documentation function)) + (args (and (string-match + "[\n\t ]*\narguments: ?(\\(.*\\))\n?\\'" + doc) + (match-string 1 doc)))) + ;; If there are no arguments documented for the + ;; subr, rather don't print anything. + (cond ((null args) t) + ((equal args "") nil) + (args)))) + (t t)))) (cond ((listp arglist) (prin1-to-string (cons function (mapcar (lambda (arg) @@ -1423,7 +1426,7 @@ (if cmd (princ " "))))) (terpri)))))) -;; Stop gap for 21.0 untill we do help-char etc properly. +;; Stop gap for 21.0 until we do help-char etc properly. (defun help-keymap-with-help-key (keymap form) "Return a copy of KEYMAP with an help-key binding according to help-char invoking FORM like help-form. An existing binding is not overridden.