Update runtime files
diff --git a/runtime/indent/bst.vim b/runtime/indent/bst.vim
index 47e3058..3dd8d71 100644
--- a/runtime/indent/bst.vim
+++ b/runtime/indent/bst.vim
@@ -1,20 +1,18 @@
" Vim indent file
" Language: bst
" Author: Tim Pope <vimNOSPAM@tpope.info>
-" $Id: bst.vim,v 1.1 2007/05/05 18:11:12 vimboss Exp $
+" Last Change: 2022 Mar 15
if exists("b:did_indent")
finish
endif
let b:did_indent = 1
-setlocal expandtab
setlocal indentexpr=GetBstIndent(v:lnum)
-"setlocal smartindent
setlocal cinkeys&
setlocal cinkeys-=0#
setlocal indentkeys&
-"setlocal indentkeys+=0%
+let b:undo_indent = 'setlocal indentexpr< cinkeys< indentkeys<'
" Only define the function once.
if exists("*GetBstIndent")