/usr/share/menu/ikarus is in ikarus 0.0.3+bzr.2010.01.26-4ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | ?package(ikarus):needs="text" section="Applications/Programming"\
title="ikarus scheme" command="/usr/bin/ikarus"
|