Senmyogaki can be called 'a composition written in kanji and manyogana,' but if the manyogana is changed to hiragana, it becomes almost the same as 'a composition written in kanji and kana,' which is a remarkable thing in the history of development of the Japanese orthography.
宣命書は、「漢字万葉仮名交じり文」と言えるが、その万葉仮名を平仮名に変えると、「漢字仮名交じり文」とほぼ同じになり、これは日本語表記の展開史の上で注目すべき出来事であった。