(main): If batch mode, set Vundo_outer_limit to nil.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/emacs.c b/src/emacs.c
index 791e13dd6d0..5c62ee071ff 100644
--- a/src/emacs.c
+++ b/src/emacs.c
@@ -1133,7 +1133,10 @@ main (argc, argv
   /* Handle the -batch switch, which means don't do interactive display.  */
   noninteractive = 0;
   if (argmatch (argv, argc, "-batch", "--batch", 5, NULL, &skip_args))
-    noninteractive = 1;
+    {
+      noninteractive = 1;
+      Vundo_outer_limit = Qnil;
+    }
   if (argmatch (argv, argc, "-script", "--script", 3, &junk, &skip_args))
     {
       noninteractive = 1;       /* Set batch mode.  */