SGML えすじいえむえるデータ実体 じっていでしょう
hiesu jii emueru dētajitteideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 非SGMLデータ実体

1. Probably non-SGML data entity.; Likely a non-SGML data entity.

Polite
Presumptive
Conjecture
Computing