libghc-x11-dev 1.5.0.1-1 (i386 binary) in ubuntu precise

 This package provides a library for the Haskell programming language.
 See http://www.haskell.org/ for more information on Haskell.
 .
 This library is a binding to the X11 graphics library.
 The binding is a direct translation of the C binding; for
 documentation of these calls, refer to "The Xlib Programming
 Manual", available online at <http://tronche.com/gui/x/xlib/>.