text styling for ANSI terminals; documentation

 Text styling for ANSI terminals using SGR codes, as defined by the
 ECMA-48 standard.
 .
 Supports foreground/background color, bold/faint intensity, italic,
 single/double underline, strikethrough, frame, encircle, and
 overline escape sequences. Some styles may not work on your terminal.
 .
 Also features terminal detection, so redirecting styled output to a
 file will automatically strip the ANSI escape sequences.
 .
 This package provides the documentation for a library for the Haskell
 programming language.
 See http://www.haskell.org/ for more information on Haskell.