mutt-kz-dbg 1.5.23.1-6build2 (amd64 binary) in ubuntu xenial

 Mutt-kz is a fork of Mutt, a sophisticated text-based Mail User Agent, with
 notmuch integration.
 .
 This package contains the debugging symbols for mutt-kz; this is supposed
 to be used when there is a core file which should be analyzed using gdb.