diff --git a/runtime/ftplugin/treetop.vim b/runtime/ftplugin/treetop.vim
new file mode 100644
index 0000000..2da3c40
--- /dev/null
+++ b/runtime/ftplugin/treetop.vim
@@ -0,0 +1,19 @@
+" Vim filetype plugin file
+" Language:         Treetop
+" Maintainer:       Nikolai Weibull <now@bitwi.se>
+" Latest Revision:  2011-03-14
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+setlocal comments=b:# commentstring=#\ %s formatoptions-=tcroq formatoptions+=l
+
+let b:undo_ftplugin = "setl com< cms< fo<"
+
+let &cpo = s:cpo_save
+unlet s:cpo_save