適合 てきごうSGML えすじいえむえる文書 ぶんしょではありません
tekigōe sujii emueru bunshodewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 適合SGML文書

1. Not a valid SGML document.; Does not conform to SGML.

Negative
Polite
Formal Register
Computing