Update runtime files
diff --git a/runtime/indent/rhelp.vim b/runtime/indent/rhelp.vim
index cf69ae3..f68c090 100644
--- a/runtime/indent/rhelp.vim
+++ b/runtime/indent/rhelp.vim
@@ -2,7 +2,7 @@
" Language: R Documentation (Help), *.Rd
" Author: Jakson Alves de Aquino <jalvesaq@gmail.com>
" Homepage: https://github.com/jalvesaq/R-Vim-runtime
-" Last Change: Tue Apr 07, 2015 04:38PM
+" Last Change: Feb 25, 2023
" Only load this indent file when no other was loaded.
@@ -20,6 +20,8 @@
setlocal indentkeys=0{,0},:,!^F,o,O,e
setlocal indentexpr=GetCorrectRHelpIndent()
+let b:undo_indent = "setl ai< cin< inde< indk< <lisp <si"
+
" Only define the functions once.
if exists("*GetRHelpIndent")
finish