Update runtime files
diff --git a/runtime/indent/pascal.vim b/runtime/indent/pascal.vim
index c7955d6..1f39fd1 100644
--- a/runtime/indent/pascal.vim
+++ b/runtime/indent/pascal.vim
@@ -2,7 +2,7 @@
" Language: Pascal
" Maintainer: Neil Carter <n.carter@swansea.ac.uk>
" Created: 2004 Jul 13
-" Last Change: 2017 Jun 13
+" Last Change: 2021 Jul 01
"
" This is version 2.0, a complete rewrite.
"
@@ -20,6 +20,8 @@
setlocal indentkeys+==program,==function,==procedure,==object,==private
setlocal indentkeys+==record,==if,==else,==case
+let b:undo_indent = "setl indentkeys< indentexpr<"
+
if exists("*GetPascalIndent")
finish
endif