重要 じゅうようSGML えすじいえむえる文字 もじであれば
jūyōna e sujii emueru mojideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 重要なSGML文字

1. If/when it is an important SGML character.; If/when it’s a significant SGML character.

Ba Conditional
Computing