Update runtime files
diff --git a/runtime/indent/systemverilog.vim b/runtime/indent/systemverilog.vim
index 16fb451..f6114dc 100644
--- a/runtime/indent/systemverilog.vim
+++ b/runtime/indent/systemverilog.vim
@@ -2,6 +2,7 @@
" Language: SystemVerilog
" Maintainer: kocha <kocha.lsifrontend@gmail.com>
" Last Change: 05-Feb-2017 by Bilal Wasim
+" 2022 April: b:undo_indent added by Doug Kearns
" Only load this indent file when no other was loaded.
if exists("b:did_indent")
@@ -16,6 +17,8 @@
setlocal indentkeys+==endinterface,=endgroup,=endprogram,=endproperty,=endchecker
setlocal indentkeys+==`else,=`endif
+let b:undo_indent = "setl inde< indk<"
+
" Only define the function once.
if exists("*SystemVerilogIndent")
finish