Update runtime files
diff --git a/runtime/indent/readline.vim b/runtime/indent/readline.vim
index e202ddf..0ab0f82 100644
--- a/runtime/indent/readline.vim
+++ b/runtime/indent/readline.vim
@@ -1,7 +1,8 @@
" Vim indent file
-" Language: readline configuration file
-" Previous Maintainer: Nikolai Weibull <now@bitwi.se>
-" Latest Revision: 2006-12-20
+" Language: readline configuration file
+" Maintainer: Doug Kearns <dougkearns@gmail.com>
+" Previous Maintainer: Nikolai Weibull <now@bitwi.se>
+" Last Change: 24 Sep 2021
if exists("b:did_indent")
finish
@@ -12,6 +13,8 @@
setlocal indentkeys=!^F,o,O,=$else,=$endif
setlocal nosmartindent
+let b:undo_indent = "setl inde< indk< si<"
+
if exists("*GetReadlineIndent")
finish
endif