A manual page prompt for XMonad window manager.

TODO

• narrow completions by section number, if the one is specified (like /etc/bash_completion does)

1. In your ~/.xmonad/xmonad.hs:

 import XMonad.Prompt
 import XMonad.Prompt.Man

2. In your keybindings add something like:

     , ((modMask x, xK_F1), manPrompt defaultXPConfig)

For detailed instruction on editing the key binding see XMonad.Doc.Extending#Editing_key_bindings.

Run a command using shell and return its output.

XXX Merge into Run?

(Ask "gurus" whether evaluate (length ...) approach is better/more idiomatic.)