書式 しょしき制御 せいぎょ文字 もじでしょう
shoshikiseigyomojideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 書式制御文字

1. Format control character, probably.; It will likely be a format control character.

Polite
Presumptive
Conjecture
Computing