libxp6-dbg 6.8.2-10.1 (sparc binary) in ubuntu hoary

X Window System printing extension library (unstripped)
 his package is useful to provide a backtrace with symbol names in a
  debugger; this facilitates interpretation of core dumps, and aids in finding
  logic errors in programs using this library (or the library itself). The
  library is installed in /usr/X11R6/lib/debug and can be used by placing that
  directory in the LD_LIBRARY_PATH environment variable when the code to
  be debugged is executed.
  .
  Non-programmers will likely have little use for this package. See the
  libxp6 package for further information.