[preferences]
    [[legend]]
        default = False
        type = boolean
        value = False
    
    [[x_decimals]]
        default = 2
        maximum = 10
        minimum = 0
        type = integer
        value = 2
    
    [[x_prefix]]
        default = n
        elements = n, p
        type = enum
        value = n
    
    [[y_decimals]]
        default = 2
        maximum = 10
        minimum = 0
        type = integer
        value = 2
    
    [[y_prefix]]
        default = n
        elements = n, p
        type = enum
        value = n