/usr/share/app-install/desktop/tkcvs:tkcvs.desktop is in app-install-data 14.04.0.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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X-AppInstall-Package=tkcvs
X-AppInstall-Popcon=66
X-AppInstall-Section=universe
Version=1.0
Type=Application
Encoding=UTF-8
Name=tkcvs
GenericName=CVS/Subversion Frontend
Comment=A graphical frontend to CVS and Subversion.
Exec=tkcvs
Icon=tkcvs
Categories=RevisionControl;Development;ProjectManagement;
X-Ubuntu-Gettext-Domain=app-install-data
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