/usr/share/GNUstep/AddressManager.app/AddressManager.desktop is in addressmanager.app 0.4.8-3.
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 | [Desktop Entry]
Encoding=UTF-8
Type=Application
Categories=X-GNUstep;
Name=AddressManager
Comment=An Address Book.
Icon=/usr/lib/GNUstep/Applications/AddressManager.app/Resources/AddressManager.tiff
Exec=/usr/bin/openapp AddressManager
FilePattern=AddressManager.app;AddressManager;
MimeType=
|