diff --git a/runtime/indent/pascal.vim b/runtime/indent/pascal.vim
index 1f39fd1..b21b725 100644
--- a/runtime/indent/pascal.vim
+++ b/runtime/indent/pascal.vim
@@ -2,11 +2,9 @@
 " Language:    Pascal
 " Maintainer:  Neil Carter <n.carter@swansea.ac.uk>
 " Created:     2004 Jul 13
-" Last Change: 2021 Jul 01
+" Last Change: 2021 Sep 22
 "
-" This is version 2.0, a complete rewrite.
-"
-" For further documentation, see http://psy.swansea.ac.uk/staff/carter/vim/
+" For further documentation, see https://psy.swansea.ac.uk/staff/carter/vim/
 
 
 if exists("b:did_indent")
@@ -20,13 +18,14 @@
 setlocal indentkeys+==program,==function,==procedure,==object,==private
 setlocal indentkeys+==record,==if,==else,==case
 
-let b:undo_indent = "setl indentkeys< indentexpr<"
+let b:undo_indent = 'setlocal indentexpr< indentkeys<'
 
 if exists("*GetPascalIndent")
 	finish
 endif
 
 
+" ________________________________________________________________
 function! s:GetPrevNonCommentLineNum( line_num )
 
 	" Skip lines starting with a comment
@@ -44,6 +43,7 @@
 endfunction
 
 
+" ________________________________________________________________
 function! s:PurifyCode( line_num )
 	" Strip any trailing comments and whitespace
 	let pureline = 'TODO'
@@ -51,6 +51,7 @@
 endfunction
 
 
+" ________________________________________________________________
 function! GetPascalIndent( line_num )
 
 	" Line 0 always goes at column 0
@@ -184,7 +185,7 @@
 	endif
 
 
-" ____________________________________________________________________
+" ________________________________________________________________
 " Object/Borland Pascal/Delphi Extensions
 "
 " Note that extended-pascal is handled here, unless it is simpler to
@@ -222,8 +223,6 @@
 	endif
 
 
-" ____________________________________________________________________
-
 	" If nothing changed, return same indent.
 	return indnt
 endfunction