updated for version 7.3.598
Problem:    Cannot act upon end of completion. (Taro Muraoka)
Solution:   Add an autocommand event that is triggered when completion has
            finished. (Idea by Florian Klein)
diff --git a/src/vim.h b/src/vim.h
index 7fd6df9..3ed981e 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -1241,6 +1241,7 @@
     EVENT_CMDWINENTER,		/* after entering the cmdline window */
     EVENT_CMDWINLEAVE,		/* before leaving the cmdline window */
     EVENT_COLORSCHEME,		/* after loading a colorscheme */
+    EVENT_COMPLETEDONE,		/* after finishing insert complete */
     EVENT_FILEAPPENDPOST,	/* after appending to a file */
     EVENT_FILEAPPENDPRE,	/* before appending to a file */
     EVENT_FILEAPPENDCMD,	/* append to a file using command */