Update runtime files
diff --git a/runtime/ftplugof.vim b/runtime/ftplugof.vim
index 7828ff2..e0505ce 100644
--- a/runtime/ftplugof.vim
+++ b/runtime/ftplugof.vim
@@ -1,13 +1,15 @@
-" Vim support file to switch off loading plugins for file types
-"
-" Maintainer: Bram Moolenaar <Bram@vim.org>
-" Last Change: 2011 Oct 20
+vim9script
-if exists("did_load_ftplugin")
- unlet did_load_ftplugin
+# Vim support file to switch off loading plugins for file types
+#
+# Maintainer: Bram Moolenaar <Bram@vim.org>
+# Last Change: 2022 Feb 09
+
+if exists("g:did_load_ftplugin")
+ unlet g:did_load_ftplugin
endif
-" Remove all autocommands in the filetypeplugin group, if any exist.
+# Remove all autocommands in the filetypeplugin group, if any exist.
if exists("#filetypeplugin")
silent! au! filetypeplugin *
endif