patch 7.4.2115
Problem:    Loading defaults.vim with -C argument.
Solution:   Don't load the defaults script with -C argument.  Test sourcing
            the defaults script.  Set 'display' to "truncate".
diff --git a/runtime/defaults.vim b/runtime/defaults.vim
index f83e8bb..1968ce9 100644
--- a/runtime/defaults.vim
+++ b/runtime/defaults.vim
@@ -1,7 +1,7 @@
 " The default vimrc file.
 "
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last change:	2016 Jul 28
+" Last change:	2016 Jul 29
 "
 " This is loaded if no vimrc file was found.
 " Except when Vim is run with "-u NONE" or "-C".
@@ -25,6 +25,9 @@
 set showcmd		" display incomplete commands
 set wildmenu		" display completion matches in a status line
 
+" Show @@@ in the last line if it is truncated.
+set display=truncate
+
 " Do incremental searching when it's possible to timeout.
 if has('reltime')
   set incsearch