runtime: Set b:undo_ftplugin where missing (#12943)
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/ftplugin/usd.vim b/runtime/ftplugin/usd.vim
index c795ba5..cd5013f 100644
--- a/runtime/ftplugin/usd.vim
+++ b/runtime/ftplugin/usd.vim
@@ -2,17 +2,13 @@
" Language: Pixar Animation's Universal Scene Description format
" Maintainer: Colin Kennedy <colinvfx@gmail.com>
" Last Change: 2023 May 9
+" 2023 Aug 28 by Vim Project (undo_ftplugin)
if exists("b:did_ftplugin")
finish
endif
-
-let s:cpo_save = &cpo
-set cpo&vim
-
let b:did_ftplugin = 1
setlocal commentstring=#\ %s
-let &cpo = s:cpo_save
-unlet s:cpo_save
+let b:undo_ftplugin = "setlocal commentstring<"