diff --git a/runtime/ftplugin/tcl.vim b/runtime/ftplugin/tcl.vim
new file mode 100644
index 0000000..c5bc303
--- /dev/null
+++ b/runtime/ftplugin/tcl.vim
@@ -0,0 +1,36 @@
+" Vim filetype plugin file
+" Language:         Tcl
+" Maintainer:       Robert L Hicks <sigzero@gmail.com>
+" Latest Revision:  2009-05-01
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+" Make sure the continuation lines below do not cause problems in
+" compatibility mode.
+let s:cpo_save = &cpo
+set cpo-=C
+
+setlocal comments=:#
+setlocal commentstring=#%s
+setlocal formatoptions+=croql
+
+" Change the browse dialog on Windows to show mainly Tcl-related files
+if has("gui_win32")
+    let b:browsefilter = "Tcl Source Files (.tcl)\t*.tcl\n" .
+                \ "Tcl Test Files (.test)\t*.test\n" .
+                \ "All Files (*.*)\t*.*\n"
+endif
+
+"-----------------------------------------------------------------------------
+
+" Undo the stuff we changed.
+let b:undo_ftplugin = "setlocal fo< com< cms< inc< inex< def< isf< kp<" .
+	    \	      " | unlet! b:browsefilter"
+
+" Restore the saved compatibility options.
+let &cpo = s:cpo_save
+
+" vim: set et ts=4 sw=4 tw=78: