Remove tar-mode dabbrev-ignored-buffer-modes

* lisp/dabbrev.el (dabbrev-ignored-buffer-modes): Remove tar-mode
from the default, because it isn't really a binary mode.

diff --git a/lisp/dabbrev.el b/lisp/dabbrev.el
index adbfca01a30f6cb5500b85d9589ecfdbbf3032de..06a8ead834097daeecc636fcea06d3fe23ba5288 100644 (file)
--- a/lisp/dabbrev.el
+++ b/lisp/dabbrev.el
@@ -239,8 +239,7 @@ See also `dabbrev-ignored-buffer-names' and
   :group 'dabbrev
   :version "21.1")
 
-(defcustom dabbrev-ignored-buffer-modes
-  '(archive-mode image-mode tar-mode)
+(defcustom dabbrev-ignored-buffer-modes '(archive-mode image-mode)
   "Inhibit looking for abbreviations in buffers derived from these modes.
 See also `dabbrev-ignored-buffer-names' and
 `dabbrev-ignored-buffer-regexps'."