Make smerge-refine-ignore-whitespace into defcustom

* lisp/vc/smerge-mode.el (smerge-refine-ignore-whitespace): Make
into defcustom (bug#12585).

diff --git a/lisp/vc/smerge-mode.el b/lisp/vc/smerge-mode.el
index 6a4f6542b5ed5336e365383057a238d2d9307e5c..003b26eca41f4e029932f89cdbde0f5b66a04c48 100644 (file)
--- a/lisp/vc/smerge-mode.el
+++ b/lisp/vc/smerge-mode.el
@@ -925,8 +925,11 @@ Its behavior has mainly two restrictions:
   to `smerge-refine-regions'.
   This only matters if `smerge-refine-weight-hack' is nil.")
 
-(defvar smerge-refine-ignore-whitespace t
-  "If non-nil, `smerge-refine' should try to ignore change in whitespace.")
+(defcustom smerge-refine-ignore-whitespace t
+  "If non-nil, `smerge-refine' should try to ignore change in whitespace."
+  :type 'boolean
+  :version "29.1"
+  :group 'diff)
 
 (defvar smerge-refine-weight-hack t
   "If non-nil, pass to diff as many lines as there are chars in the region.