libfs6-dbg 2:1.0.4-1 (i386 binary) in ubuntu quantal

 libFS, the Font Services library, provides various functions useful to
 X11 font servers, and clients connecting to font servers. It is not used
 outside of thse implementations.
 .
 This package contains the debug versions of the library found in libfs6.
 Non-developers likely have little use for this package.
 .
 More information about X.Org can be found at:
 <URL:http://www.X.org>
 .
 This module can be found at
 git://anongit.freedesktop.org/git/xorg/lib/libFS