DESCRIPTION

    By default will format all values that are regarded as true by Perl
    with "yes", and all false values as "no". Undef will be left undef. The
    true string and false string can be set using the formatter arguments
    true_str and false_str, or you can choose from a set of predefined
    styles.

FORMATTER ARGUMENTS

 true_str => str

 false_str => str

 style => str (default: yes_no)

    Can be: yes_no, Y_N, true_false, T_F, 1_0, on_off.

