# Set the start and extent angles of an arc
#    $new_shape->{Adjustments}{Item}=($options->{start}, $options->{extent});
#    $new_shape->{Adjustments}{Item}[0]=$options->{start};
#    $new_shape->{Adjustments}{Item}[1]=$options->{extent};
#    $new_shape->{Adjustments}{Item}[1]=$options->{start};
#    $new_shape->{Adjustments}{Item}[2]=$options->{extent};
#    $new_shape->Item=$options->{start};
#    $new_shape->Item=$options->{extent};