Content formatting: number_format, na_string, escape_contents, decimal align
PropertyRaw valueFormattedDecimal align   
number_format=01234.567812353   
number_format=%.2f3.141593.143.15
fmt_percent()0.234523.4%-42.3 
na_string=missingmissing123   
escape_contents=FALSEHTML ©HTML ©7