* lisp/simple.el (open-line): Integrate with electric-indent-mode

Also run `post-self-insert-hook' when called interactively.

1 files changed, 13 insertions, 3 deletions

diff --git a/lisp/simple.el b/lisp/simple.el
index 5b0503778bd..338a0600829 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -458,17 +458,27 @@ A non-nil INTERACTIVE argument means to run the `post-self-insert-hook'."
         (put-text-property from (point) 'rear-nonsticky
                            (cons 'hard sticky)))))
 
-(defun open-line (n)
+(declare-function electric-indent-just-newline "electric")
+(defun open-line (n &optional interactive)
   "Insert a newline and leave point before it.
+If `electric-indent-mode' is enabled, indent the new line if it's
+not empty.
 If there is a fill prefix and/or a `left-margin', insert them on
 the new line.  If the old line would have been blank, insert them
 on the old line as well.
+
+With arg N, insert N newlines.
+A non-nil INTERACTIVE argument means to run the `post-self-insert-hook'."
+  (interactive "*p\np")
   (let* ((do-fill-prefix (and fill-prefix (bolp)))
          (do-left-margin (and (bolp) (> (current-left-margin) 0)))
          (loc (point-marker))
-         ;; Don't expand an abbrev before point.
+         ;; Don't expand an abbrev before point.
          (abbrev-mode nil))
-    (newline n)
+    (if (and interactive
+             (looking-at-p "[[:space:]]*$"))
+        (electric-indent-just-newline n)
+      (newline n interactive))
     (goto-char loc)
     (while (> n 0)
       (cond ((bolp)