cleanup open new line and indent

global.org

@@ -462,10 +462,16 @@
    #+end_src
 ** Smart open-line
    #+begin_src emacs-lisp
-     (defun open-line-and-indent ()
-       (interactive)
-       (save-excursion (newline-and-indent))
-       (indent-line))
+     (defun open-line-and-indent (arg)
+       (interactive "*p")
+       (save-excursion
+         (newline-and-indent)
+         (skip-chars-forward "[:blank:]")
+         (when (eolp)
+           (let ((e (point))
+                 (b (progn (beginning-of-line) (point))))
+             (delete-region b e))))
+       (funcall indent-line-function))
 
      (global-set-key (kbd "C-o") #'open-line-and-indent)
      #+end_src