/usr/share/app-install/desktop/mate-control-center:mate-font-viewer.desktop is in app-install-data 15.10.
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 9 10 11 12 13 14 15 16 17 | [Desktop Entry]
X-AppInstall-Package=mate-control-center
X-AppInstall-Popcon=131
X-AppInstall-Section=universe
Name=Font Viewer
Comment=Preview fonts
Icon=preferences-desktop-font
Exec=mate-font-viewer %u
Terminal=false
Type=Application
StartupNotify=true
NoDisplay=true
MimeType=application/x-font-ttf;application/x-font-pcf;application/x-font-type1;application/x-font-otf;
Keywords=mate-control-center;MATE;font;viewer;preview;desktop;preferences;
X-Ubuntu-Gettext-Domain=app-install-data
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