(indent-for-tab-command): Indent the region if

transient-mark-mode and the region is active.

1 files changed, 10 insertions, 3 deletions

diff --git a/lisp/indent.el b/lisp/indent.el
index b580e3aa3ce..2108b340f1b 100644
--- a/lisp/indent.el
+++ b/lisp/indent.el
@@ -78,11 +78,13 @@ special; we don't actually use them here."
     (funcall indent-line-function)))
 
 (defun indent-for-tab-command (&optional arg)
-  "Indent line in proper way for current major mode or insert a tab.
+  "Indent line or region in proper way for current major mode or insert a tab.
 Depending on `tab-always-indent', either insert a tab or indent.
 If initial point was within line's indentation, position after
 the indentation.  Else stay at same point in text.
-The function actually called to indent is determined by the value of
+If `transient-mark-mode' is turned on the region is active,
+indent the region.
+The function actually called to indent the line is determined by the value of
 `indent-line-function'."
   (interactive "P")
   (cond
@@ -97,7 +99,12 @@ The function actually called to indent is determined by the value of
    ;; indenting, so we can't pass them to indent-according-to-mode.
    ((memq indent-line-function '(indent-relative indent-relative-maybe))
     (funcall indent-line-function))
-   (t ;; The normal case.
+   ;; The region is active, indent it.
+   ((and transient-mark-mode mark-active
+	 (not (eq (region-beginning) (region-end))))
+    (indent-region (region-beginning) (region-end)))
+   ;; Indent the line.
+   (t
     (indent-according-to-mode))))
 
 (defun insert-tab (&optional arg)