Update runtime files
diff --git a/runtime/indent/haml.vim b/runtime/indent/haml.vim
index baca1d4..acd99d9 100644
--- a/runtime/indent/haml.vim
+++ b/runtime/indent/haml.vim
@@ -1,7 +1,7 @@
" Vim indent file
" Language: Haml
" Maintainer: Tim Pope <vimNOSPAM@tpope.org>
-" Last Change: 2019 Dec 05
+" Last Change: 2022 Mar 15
if exists("b:did_indent")
finish
@@ -14,6 +14,8 @@
setlocal indentexpr=GetHamlIndent()
setlocal indentkeys=o,O,*<Return>,},],0),!^F,=end,=else,=elsif,=rescue,=ensure,=when
+let b:undo_indent = "setl ai< inde< indk<"
+
" Only define the function once.
if exists("*GetHamlIndent")
finish