Hscolour is a Haskell tool to colorize Haskell code. It currently has
six output formats: ANSI terminal codes (optionally XTerm-256colour codes),
HTML 3.2 with <font> tags, HTML 4.01 with CSS, HTML 4.01 with CSS and mouseover
annotations, XHTML 1.0 with inline CSS styling, LaTeX, and mIRC chat codes.