Acquire::Pdiffs "false";
APT::Install-Recommends "false";
APT::Install-Suggests "false";
APT::Default-Release "stable";
// APT::Default-Release "testing";
// APT::Default-Release "unstable";

// notes:
// apt-cache policy thunar
// apt-cache policy
// rmadison thunar
// apt-get install -t stable thunar
// apt-get install -t unstable thunar
// apt-get install -t experimental thunar