Variable reservationTypes`Const`

reservationTypes: readonly [
    "source-not-stated",
    "source-undocumented",
    "software-not-named",
    "instrument-not-named",
    "features-interpreted",
    "no-physical-evidence",
    "measurement-undocumented",
    "not-calibrated",
    "system-unknown",
    "keeper-unknown",
] = ...

The kinds of reservation the edition can have about a copy, in the order reservationsAbout checks for them.