Updated runtime files.
diff --git a/runtime/doc/if_lua.txt b/runtime/doc/if_lua.txt
index 8d9383c..2b322dd 100644
--- a/runtime/doc/if_lua.txt
+++ b/runtime/doc/if_lua.txt
@@ -1,4 +1,4 @@
-*if_lua.txt* For Vim version 7.4. Last change: 2012 Jun 29
+*if_lua.txt* For Vim version 7.4. Last change: 2013 Sep 04
VIM REFERENCE MANUAL by Luis Carvalho
@@ -135,7 +135,7 @@
<
vim.funcref({name}) Returns a Funcref to function {name} (see
|Funcref|). It is equivalent to Vim's
- "function".
+ "function". NOT IMPLEMENTED YET
vim.buffer([arg]) If "arg" is a number, returns buffer with
number "arg" in the buffer list or, if "arg"