libgs-esp-dev 8.15.4.dfsg.1-0ubuntu1 (amd64 binary) in ubuntu gutsy

 Ghostscript is used for PostScript preview and printing. Usually as
 a back-end to a program such as ghostview, it can display postscript
 documents in an X11 environment.
 .
 This package provides the development files for the Ghostscript library
 which makes the facilities of Ghostscript available to applications.
 .
 This version of gs is a fork of GNU Ghostscript with updated drivers
 and patches, intended mostly for use with the Common UNIX Printing
 System (CUPS) from Easy Software Products (www.easysw.com). The
 ESP Ghostscript homepage is available at:
 .
 http://www.cups.org/ghostscript.php