/usr/share/applications/xdg-wininfo.desktop is in wininfo 0.7-5.
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 | [Desktop Entry]
Comment=A window information utility for X
Exec=wininfo
Name=X Window Information
GenericName=X Debugging Tool
Terminal=false
Type=Application
Categories=Application;Development;
|