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  • Liam M. Healy's avatar
    Reorganize UT1 conversion · a363d65e
    Liam M. Healy authored
    UT1 is now in a separate file, date-time/ut1.lisp, which is not loaded
    until physical-dimension, and thus the connected system datime-pqd, is
    loaded. If/when Drakma is loaded then a request to convert to or from
    UT1 will trigger a fetch of the earth orientation data from USNO. If
    not available, the user is warned and asked to continue assuming
    UT1=UTC.
    
    This was spurred by failure to load date-time because USNO was not
    available, even when no UT1 was needed.
    a363d65e