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-rw-r--r--lisp/whitespace.el13
1 files changed, 8 insertions, 5 deletions
diff --git a/lisp/whitespace.el b/lisp/whitespace.el
index 801cdc52047..b462cf0b811 100644
--- a/lisp/whitespace.el
+++ b/lisp/whitespace.el
@@ -1471,6 +1471,12 @@ documentation."
;; PROBLEM 6: 8 or more SPACEs after TAB
(whitespace-cleanup-region (point-min) (point-max)))))
+(defun whitespace-ensure-local-variables ()
+ "Set `whitespace-indent-tabs-mode' and `whitespace-tab-width' locally."
+ (set (make-local-variable 'whitespace-indent-tabs-mode)
+ indent-tabs-mode)
+ (set (make-local-variable 'whitespace-tab-width)
+ tab-width))
;;;###autoload
(defun whitespace-cleanup-region (start end)
@@ -1517,6 +1523,7 @@ documentation."
;; read-only buffer
(whitespace-warn-read-only "cleanup region")
;; non-read-only buffer
+ (whitespace-ensure-local-variables)
(let ((rstart (min start end))
(rend (copy-marker (max start end)))
(indent-tabs-mode whitespace-indent-tabs-mode)
@@ -2095,7 +2102,6 @@ resultant list will be returned."
(defvar whitespace-display-table-was-local nil
"Used to remember whether a buffer initially had a local display table.")
-
(defun whitespace-turn-on ()
"Turn on whitespace visualization."
;; prepare local hooks
@@ -2108,10 +2114,7 @@ resultant list will be returned."
(if (listp whitespace-style)
whitespace-style
(list whitespace-style)))
- (set (make-local-variable 'whitespace-indent-tabs-mode)
- indent-tabs-mode)
- (set (make-local-variable 'whitespace-tab-width)
- tab-width)
+ (whitespace-ensure-local-variables)
;; turn on whitespace
(when whitespace-active-style
(whitespace-color-on)