diff --git a/runtime/ftplugin/modula3.vim b/runtime/ftplugin/modula3.vim
index fc9eb57..1f8ab35 100644
--- a/runtime/ftplugin/modula3.vim
+++ b/runtime/ftplugin/modula3.vim
@@ -1,7 +1,7 @@
 " Vim filetype plugin file
 " Language:	Modula-3
 " Maintainer:	Doug Kearns <dougkearns@gmail.com>
-" Last Change:	2021 Apr 08
+" Last Change:	2022 June 12 
 
 if exists("b:did_ftplugin")
   finish
@@ -14,24 +14,28 @@
 setlocal comments=s0:(*,mb:\ ,ex:*)
 setlocal commentstring=(*%s*)
 setlocal formatoptions-=t formatoptions+=croql
+setlocal suffixesadd+=.m3
+setlocal formatprg=m3pp
+
+let b:undo_ftplugin = "setlocal com< cms< fo< fp< sua<"
 
 if exists("loaded_matchit") && !exists("b:match_words")
   let b:match_words = '\<REPEAT\>:\<UNTIL\>,' ..
-		    \ '\<\%(BEGIN\|CASE\|FOR\|IF\|LOCK\|LOOP\|TRY\|TYPECASE\|WHILE\|WITH\)\>' ..
+		    \ '\<\%(BEGIN\|CASE\|FOR\|IF\|LOCK\|LOOP\|TRY\|TYPECASE\|WHILE\|WITH\|RECORD\|OBJECT\)\>' ..
 		    \	':' ..
-		    \	'\<\%(ELSIF\|ELSE\|EXCEPT\|FINALLY\)\>\|\%(^\s*\)\@<=\S.*=>' ..
+		    \	'\<\%(ELSIF\|ELSE\|EXCEPT\|FINALLY\|METHODS\|OVERRIDES\)\>\|\%(^\s*\)\@<=\S.*=>' ..
 		    \	':' ..
-		    \ '\<END\>'
+		    \ '\<END\>,' ..
+		    \ '(\*:\*),<\*:\*>'
+  let b:undo_ftplugin ..= " | unlet! b:match_words"
 endif
 
 if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
   let b:browsefilter = "Modula-3 Source Files (*.m3)\t*.m3\n" ..
 		     \ "All Files (*.*)\t*.*\n"
+  let b:undo_ftplugin ..= " | unlet! b:browsefilter"
 endif
 
-let b:undo_ftplugin = "setl com< cms< fo< " ..
-		    \ "| unlet! b:browsefilter b:match_words"
-
 let &cpo = s:cpo_save
 unlet s:cpo_save