Hello,
Recently I wrote this (my first lines of Emacs Lisp)
(defun comentar (&optional beg end)
(interactive "r")
(save-excursion
(if (and beg end)
(comment-region beg end)
(let ((beg (progn
(beginning-of-line)
(point)))
(end (progn
(end-of-line)
(point))))
(comment-region beg end)))))
And my purpose was to use the same function to comment a line without
having to select a region, or comment a region (selecting it, of
course)
but it doesn't work as expected. If for once I delete the if condition
then it works fine when I comment a line, but i wanted to extend it to
comment a region.
Is this possible? Or does one need to have separate command (and key
bindings) to work on a line or on a region as with kill-line and
kill-region