suggestion i received from forum admin concerning invisible item (pilcrow?)
is not solved using it but i do see as reasonable to include examples of what exctly "empty" means.
2 . mention that correct syntax: echo format("00:5:3", "hh:mm:ss");// 00:05:03
as format("00:5:3", "00:00:00"); doesnt work despite what help suggests with
text format(1, "000");
//001
text format(1234.56, "#,0.00");
//1,234.56
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