Add the 'undoreload' option to be able to undo a file reload.
diff --git a/runtime/doc/version7.txt b/runtime/doc/version7.txt
index 9fa0dab..de2a7de 100644
--- a/runtime/doc/version7.txt
+++ b/runtime/doc/version7.txt
@@ -1,4 +1,4 @@
-*version7.txt*  For Vim version 7.3b.  Last change: 2010 Jul 20
+*version7.txt*  For Vim version 7.3b.  Last change: 2010 Jul 24
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -7171,6 +7171,9 @@
 Add file save counter to undo information.
 Added the |undotree()| and |undofile()| functions.
 
+Also added the 'undoreload' option.  This makes it possible to save the
+current text when reloading the buffer, so that it can be undone.
+
 
 More encryption					*new-more-encryption*
 ---------------