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-rw-r--r--lisp/delsel.el11
1 files changed, 10 insertions, 1 deletions
diff --git a/lisp/delsel.el b/lisp/delsel.el
index 4d52ab2f7b..4b61f8130d 100644
--- a/lisp/delsel.el
+++ b/lisp/delsel.el
@@ -51,6 +51,15 @@ insertion commands first delete the region and then insert.")
(get this-command 'delete-selection))))
(cond ((eq type 'kill)
(delete-active-region t))
+ ((eq type 'yank)
+ ;; Before a yank command,
+ ;; make sure we don't yank the same region
+ ;; that we are going to delete.
+ ;; That would make yank a no-op.
+ (if (string= (buffer-substring (point) (mark))
+ (car kill-ring))
+ (current-kill 1))
+ (delete-active-region nil))
((eq type 'supersede)
(if (delete-active-region nil)
(setq this-command '(lambda () (interactive)))))
@@ -62,7 +71,7 @@ insertion commands first delete the region and then insert.")
(put 'self-insert-command 'delete-selection t)
(put 'self-insert-iso 'delete-selection t)
-(put 'yank 'delete-selection t)
+(put 'yank 'delete-selection 'yank)
(put 'insert-register 'delete-selection t)
(put 'delete-backward-char 'delete-selection 'supersede)