libatk1.0-dbg 1.11.3-0ubuntu1 (i386 binary) in ubuntu dapper

 ATK is a toolkit providing accessibility interfaces for applications or
 other toolkits. By implementing these interfaces, those other toolkits or
 applications can be used with tools such as screen readers, magnifiers, and
 other alternative input devices.
 .
 This package contains unstripped shared libraries. it is provided
 primarily to provide a backtrace with names in a debugger, this makes
 it somewhat easier to interpret core dumps. The libraries are installed
 in /usr/lib/debug and can be used by placing that directory in
 LD_LIBRARY_PATH.
 Most people will not need this package.