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-rw-r--r--lisp/vc/emerge.el2
1 files changed, 1 insertions, 1 deletions
diff --git a/lisp/vc/emerge.el b/lisp/vc/emerge.el
index 6e94ea07157..422ed5c0a4d 100644
--- a/lisp/vc/emerge.el
+++ b/lisp/vc/emerge.el
@@ -221,7 +221,7 @@ depend on the flags."
(defcustom emerge-min-visible-lines 3
"Number of lines to show above and below the flags when displaying a difference."
- :type 'integer)
+ :type 'natnum)
(defcustom emerge-temp-file-prefix
(expand-file-name "emerge" temporary-file-directory)