desktop-file-validate does not complain about missing Exec key
Submitted by Orion Poplawski
Assigned to Hans Petter Jansson
Exec Program to execute, possibly with arguments. See the Exec key for details on how this key works. The Exec key is required if DBusActivatable is not set to true. Even if DBusActivatable is true, Exec should be specified for compatibility with implementations that do not understand DBusActivatable.