sch_mv command

    (A) Function
        Moving a cell from a schedule list. 

    (B) Format

        sch_mv  <time>  <key>  <new_time>  [ <after> ]

    (C) Parameter
        <time>
           Designate time to move a cell from a schedule list. 
           This parameter is an unsigned integer or a '+'signed integer. 
           In the case of a '+'signed integer, the value is a schedule list, 
           showing the time being the simulation start time plus the time
           given by the integer here. 

        <key>
           Designate the identifier of a schedule cell to be moved.

        <new_time>
           Designate time to move a cell to a schedule list. 
           This parameter is an unsigned integer or a '+'signed integer. 
           In the case of a '+'signed integer, the value is a schedule list, 
           showing the time being the simulation start time plus the time 
           given by the integer here. 

        <after>
           Designate an identifier of a schedule cell to indicate where the
           first cell to be moved. The first cell is moved to the position
           after the second cell.
           If <after> is not specified, the first cell is moved to the
           top of the list. If the second cell is fot found, the first cell
           is moved to the last of the list.

    (D) Note
            <time> has to indicate the future from the similation time.

    (E) Related items
        sch_add command
        sch_rmv command
        schedule command