Submap.hs: info and documentation

Submap.hs

@@ -1,21 +1,22 @@
-{-
-Allows you to create a sub-mapping of keys. Example:
+-----------------------------------------------------------------------------
+-- |
+-- Module      :  XMonadContrib.Submap
+-- Copyright   :  (c) Jason Creighton <jcreigh@gmail.com>
+-- License     :  BSD3-style (see LICENSE)
+-- 
+-- Maintainer  :  Jason Creighton <jcreigh@gmail.com>
+-- Stability   :  unstable
+-- Portability :  unportable
+--
+-- A module that allows the user to create a sub-mapping of keys bindings.
+--
+-----------------------------------------------------------------------------
 
-    , ((modMask, xK_a), submap . M.fromList $
-        [ ((0, xK_n),     spawn "mpc next")
-        , ((0, xK_p),     spawn "mpc prev")
-        , ((0, xK_z),     spawn "mpc random")
-        , ((0, xK_space), spawn "mpc toggle")
-        ])
-
-So, for example, to run 'spawn "mpc next"', you would hit mod-a (to trigger the
-submapping) and then 'n' to run that action. (0 means "no modifier"). You are,
-of course, free to use any combination of modifiers in the submapping. However,
-anyModifier will not work, because that is a special value passed to XGrabKey()
-and not an actual modifier.
--}
-
-module XMonadContrib.Submap where
+module XMonadContrib.Submap (
+                             -- * Usage
+                             -- $usage
+                             submap
+                            ) where
 
 import Control.Monad.Reader
 
@@ -25,6 +26,23 @@ import Graphics.X11.Xlib
 import Graphics.X11.Xlib.Extras
 import qualified Data.Map as M
 
+{- $usage
+Allows you to create a sub-mapping of keys. Example:
+
+>    , ((modMask, xK_a), submap . M.fromList $
+>        [ ((0, xK_n),     spawn "mpc next")
+>        , ((0, xK_p),     spawn "mpc prev")
+>        , ((0, xK_z),     spawn "mpc random")
+>        , ((0, xK_space), spawn "mpc toggle")
+>        ])
+
+So, for example, to run 'spawn \"mpc next\"', you would hit mod-a (to trigger the
+submapping) and then 'n' to run that action. (0 means \"no modifier\"). You are,
+of course, free to use any combination of modifiers in the submapping. However,
+anyModifier will not work, because that is a special value passed to XGrabKey()
+and not an actual modifier.
+-}
+
 submap :: M.Map (KeyMask, KeySym) (X ()) -> X ()
 submap keys = do
     XConf { theRoot = root, display = d } <- ask