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-rw-r--r--lisp/files.el2
1 files changed, 1 insertions, 1 deletions
diff --git a/lisp/files.el b/lisp/files.el
index f6c0b5e9728..01705e3c57a 100644
--- a/lisp/files.el
+++ b/lisp/files.el
@@ -1491,7 +1491,7 @@ we do not remove backup version numbers, only true file version numbers."
(length name))
(if keep-backup-version
(length name)
- (or (string-match "\\.~[0-9]+~\\'" name)
+ (or (string-match "\\.~[0-9.]+~\\'" name)
(string-match "~\\'" name)
(length name))))))))