Update runtime files.
diff --git a/runtime/ftplugin/m3quake.vim b/runtime/ftplugin/m3quake.vim
new file mode 100644
index 0000000..627aabd
--- /dev/null
+++ b/runtime/ftplugin/m3quake.vim
@@ -0,0 +1,33 @@
+" Vim filetype plugin file
+" Language: Modula-3 Quake
+" Maintainer: Doug Kearns <dougkearns@gmail.com>
+" Last Change: 2021 April 15
+
+if exists("b:did_ftplugin")
+ finish
+endif
+let b:did_ftplugin = 1
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+setlocal comments=s1:/*,mb:*,ex:*/,:%
+setlocal commentstring=%\ %s
+setlocal formatoptions-=t formatoptions+=croql
+
+if exists("loaded_matchit") && !exists("b:match_words")
+ let b:match_words = '\<\%(proc\|if\|foreach\)\>:\<else\>:\<end\>'
+endif
+
+if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
+ let b:browsefilter = "Modula-3 Quake Source Files (*.quake)\t*.quake\n" ..
+ \ "All Files (*.*)\t*.*\n"
+endif
+
+let b:undo_ftplugin = "setl fo< com< cms< " ..
+ \ "| unlet! b:browsefilter b:match_words"
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: nowrap sw=2 sts=2 ts=8 noet: