Update runtime files
diff --git a/runtime/indent/sas.vim b/runtime/indent/sas.vim
index 9cc9e02..bbbbbf0 100644
--- a/runtime/indent/sas.vim
+++ b/runtime/indent/sas.vim
@@ -2,7 +2,7 @@
" Language: SAS
" Maintainer: Zhen-Huan Hu <wildkeny@gmail.com>
" Version: 3.0.3
-" Last Change: Jun 26, 2018
+" Last Change: 2022 Apr 06
if exists("b:did_indent")
finish
@@ -12,6 +12,8 @@
setlocal indentexpr=GetSASIndent()
setlocal indentkeys+=;,=~data,=~proc,=~macro
+let b:undo_indent = "setl inde< indk<"
+
if exists("*GetSASIndent")
finish
endif