updated for version 7.0021
diff --git a/runtime/ftplugin.vim b/runtime/ftplugin.vim
index 2c64550..d081326 100644
--- a/runtime/ftplugin.vim
+++ b/runtime/ftplugin.vim
@@ -1,7 +1,7 @@
" Vim support file to switch on loading plugins for file types
"
" Maintainer: Bram Moolenaar <Bram@vim.org>
-" Last change: 2003 May 10
+" Last change: 2004 Nov 22
if exists("did_load_ftplugin")
finish
@@ -14,7 +14,7 @@
if expand("<amatch>") != ""
if exists("b:undo_ftplugin")
exe b:undo_ftplugin
- unlet b:undo_ftplugin b:did_ftplugin
+ unlet! b:undo_ftplugin b:did_ftplugin
endif
if &cpo =~# "S" && exists("b:did_ftplugin")
" In compatible mode options are reset to the global values, need to