(indent-line-to): Delete spaces before inserting a tab.

1 files changed, 3 insertions, 0 deletions

diff --git a/lisp/indent.el b/lisp/indent.el
index 47ef23d4aa3..19786237d6d 100644
--- a/lisp/indent.el
+++ b/lisp/indent.el
@@ -82,6 +82,9 @@ only if necessary.  It leaves point at end of indentation."
   (back-to-indentation)
   (let ((cur-col (current-column)))
     (cond ((< cur-col column)
+           (if (> (- column (* (/ cur-col tab-width) tab-width)) tab-width)
+               (delete-region (point)
+                              (progn (skip-chars-backward " ") (point))))
            (indent-to column))
           ((> cur-col column) ; too far right (after tab?)
            (delete-region (progn (move-to-column column t) (point))