/usr/share/menu/kdiamond is in kdiamond 4:4.13.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 | ?package(kdiamond):\
needs="x11"\
section="Games/Puzzles"\
hints="KDE,Diamond"\
title="KDiamond"\
icon32x32="/usr/share/pixmaps/kdiamond.xpm"\
icon16x16="/usr/share/pixmaps/kdiamond-16.xpm"\
command="/usr/games/kdiamond"
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