/usr/share/applications/librecad.desktop is in librecad 2.0.2+nolibs-1.
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 | [Desktop Entry]
Version=1.0
Type=Application
Name=LibreCAD
Comment=A professional CAD System
Comment[es]=Un sistema CAD profesional
TryExec=librecad
Exec=librecad %F
Icon=librecad
Categories=Graphics;Engineering;
MimeType=image/vnd.dxf
|