(tar-mode-write-file): Don't signal an error by

calling byte-to-position with a nil tar-header-offset.

diff --git a/lisp/tar-mode.el b/lisp/tar-mode.el
index 2e1b8c5d5deb8fbdcf3540baaa835911ea95f81e..4c89f9b4cafe02f4101a5ab0f4af7f1a6e62eca0 100644 (file)
--- a/lisp/tar-mode.el
+++ b/lisp/tar-mode.el
@@ -1245,8 +1245,9 @@ Leaves the region wide."
        ;; tar-header-offset turns out to be null for files fetched with W3,
        ;; at least.
        (let ((coding-system-for-write 'no-conversion))
-         (write-region (or (byte-to-position tar-header-offset)
-                           (point-min))
+         (write-region (if tar-header-offset
+                           (byte-to-position tar-header-offset)
+                         (point-min))
                        (point-max)
                        buffer-file-name nil t))
        (tar-clear-modification-flags)