diff --git a/runtime/ftplugin/m17ndb.vim b/runtime/ftplugin/m17ndb.vim
new file mode 100644
index 0000000..e4457ce
--- /dev/null
+++ b/runtime/ftplugin/m17ndb.vim
@@ -0,0 +1,17 @@
+" Vim filetype plugin
+" Language:	m17n database
+" Maintainer:	David Mandelberg <david@mandelberg.org>
+" Last Change:	2025 Feb 21
+
+if exists('b:did_ftplugin')
+  finish
+endif
+let b:did_ftplugin = 1
+
+setlocal comments=:;;;,:;;,:;
+setlocal commentstring=;\ %s
+setlocal iskeyword=!-~,@,^34,^(,^),^92
+setlocal lisp
+setlocal lispwords=
+
+let b:undo_ftplugin = "setlocal comments< commentstring< iskeyword< lisp< lispwords<"