master 7a2ac61: Fix check in `newline' for blank lines

[Lars Ingebrigtsen]

branch: master
commit 7a2ac61b5d3adbfa7c54434056b9b772f83078af
Author: Stephen Berman <stephen.berman@gmx.net>
Commit: Lars Ingebrigtsen <larsi@gnus.org>

    Fix check in `newline' for blank lines
    
    * lisp/simple.el (newline): Clarify doc string and fix check for
    blank lines (bug#13810).
---
 lisp/simple.el | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lisp/simple.el b/lisp/simple.el
index 7dc6958..d7486e5 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -516,7 +516,7 @@ This hook is run by `delete-selection-uses-region-p', which 
see.")
   "Propertized string representing a hard newline character.")
 
 (defun newline (&optional arg interactive)
-  "Insert a newline, and move to left margin of the new line if it's blank.
+   "Insert a newline, and move to left margin of the new line.
 With prefix argument ARG, insert that many newlines.
 
 If `electric-indent-mode' is enabled, this indents the final new line
@@ -553,7 +553,7 @@ A non-nil INTERACTIVE argument means to run the 
`post-self-insert-hook'."
             (save-excursion
               (goto-char beforepos)
               (beginning-of-line)
-              (and (looking-at "[ \t]$")
+              (and (looking-at "[ \t]+$")
                    (> (current-left-margin) 0)
                    (delete-region (point)
                                   (line-end-position))))