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-rw-r--r--lisp/emerge.el1
1 files changed, 1 insertions, 0 deletions
diff --git a/lisp/emerge.el b/lisp/emerge.el
index d96abb21bc9..40ecbbe3187 100644
--- a/lisp/emerge.el
+++ b/lisp/emerge.el
@@ -2215,6 +2215,7 @@ ancestor version does not share.)"
If there is no containing difference and the prefix argument is positive,
it finds the nearest following difference. A negative prefix argument finds
the nearest previous difference."
+ (interactive "P")
(cond ((eq (current-buffer) emerge-A-buffer)
(emerge-find-difference-A arg))
((eq (current-buffer) emerge-B-buffer)