Update runtime files.

runtime/ftplugin/modula3.vim

@@ -0,0 +1,38 @@
+" Vim filetype plugin file
+" Language:	Modula-3
+" Maintainer:	Doug Kearns <dougkearns@gmail.com>
+" Last Change:	2021 Apr 08
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+setlocal comments=s0:(*,mb:\ ,ex:*)
+setlocal commentstring=(*%s*)
+setlocal formatoptions-=t formatoptions+=croql
+
+if exists("loaded_matchit") && !exists("b:match_words")
+  let b:match_words = '\<REPEAT\>:\<UNTIL\>,' ..
+		    \ '\<\%(BEGIN\|CASE\|FOR\|IF\|LOCK\|LOOP\|TRY\|TYPECASE\|WHILE\|WITH\)\>' ..
+		    \	':' ..
+		    \	'\<\%(ELSIF\|ELSE\|EXCEPT\|FINALLY\)\>\|\%(^\s*\)\@<=\S.*=>' ..
+		    \	':' ..
+		    \ '\<END\>'
+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"
+endif
+
+let b:undo_ftplugin = "setl com< cms< fo< " ..
+		    \ "| unlet! b:browsefilter b:match_words"
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: nowrap sw=2 sts=2 ts=8 noet: