Update runtime files
diff --git a/runtime/indent/mma.vim b/runtime/indent/mma.vim
index ebf98b9..9dbfd74 100644
--- a/runtime/indent/mma.vim
+++ b/runtime/indent/mma.vim
@@ -3,6 +3,7 @@
" Maintainer: Steve Layland <layland@wolfram.com> (Invalid email address)
" Doug Kearns <dougkearns@gmail.com>
" Last Change: Sat May 10 18:56:22 CDT 2005
+" 2022 April: b:undo_indent added by Doug Kearns
" Source: http://vim.sourceforge.net/scripts/script.php?script_id=1274
" http://members.wolfram.com/layland/vim/indent/mma.vim
"
@@ -26,6 +27,8 @@
setlocal indentkeys+=0[,0],0(,0)
setlocal nosi "turn off smart indent so we don't over analyze } blocks
+let b:undo_indent = "setl inde< indk< si<"
+
if exists("*GetMmaIndent")
finish
endif