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        The  'SegName'  used in all the CHANGE commands is formed by a name,
    given by the calling high-level program (usually a reminder of the  com-
    mand  used), followed by an unique, incremental, number. To refer a par-
    ticular segment, one uses the full name  (as  in  CHANGE VISIBILITY CON-
    TOUR:46 OFF).  To refer to ALL the segments with the same name, omit the
    number (as in CHANGE VISIBILITY CONTOUR OFF). To refer  to  a  range  of
    segments,  use a 'minus' sign in the range (as in CHANGE VISIBILITY CON-
    TOUR:32-46 OFF).  Segments  names  can  be  the  segment  name,  as   in

Gildas manager 2020-12-02