From 5cd18132a733697cddbb862f875f774540060fd5 Mon Sep 17 00:00:00 2001
From: Steve Losh <steve@stevelosh.com>
Date: Tue, 9 Nov 2010 20:56:24 -0500
Subject: [PATCH] Fix a bug when previewing the last change at a maxed out
 undolevel.

---
 plugin/gundo.vim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugin/gundo.vim b/plugin/gundo.vim
index d8b9602..29526e2 100644
--- a/plugin/gundo.vim
+++ b/plugin/gundo.vim
@@ -419,7 +419,7 @@ def _goto_window_for_buffer_name(bn):
 def _undo_to(n):
     n = int(n)
     if n == 0:
-        vim.command('silent earlier %s' % vim.eval('&undolevels'))
+        vim.command('silent earlier %s' % (int(vim.eval('&undolevels')) + 1))
     else:
         vim.command('silent undo %d' % n)