updated for version 7.4.165

Problem:    By default, after closing a buffer changes can't be undone.
Solution:   In the example vimrc file set 'undofile'.

Author: brammool

runtime/vimrc_example.vim

@@ -1,7 +1,7 @@
 " An example for a vimrc file.
 "
 " Maintainer:	Bram Moolenaar <[email protected]>
-" Last change:	2011 Apr 15
+" Last change:	2014 Feb 05
 "
 " To use it, copy it to
 "     for Unix and OS/2:  ~/.vimrc
@@ -24,7 +24,8 @@ set backspace=indent,eol,start
 if has("vms")
   set nobackup		" do not keep a backup file, use versions instead
 else
-  set backup		" keep a backup file
+  set backup		" keep a backup file (restore to previous version)
+  set undofile		" keep an undo file (undo changes after closing)
 endif
 set history=50		" keep 50 lines of command line history
 set ruler		" show the cursor position all the time

src/version.c

@@ -738,6 +738,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    165,
 /**/
     164,
 /**/