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"Norito" were (and still are) traditionally written in a variety of "man'yōgana" where particles and suffixes are written in a smaller script than the main body of the text. This style of writing, used in imperial edicts (宣命 "senmyō") preserved in the "Shoku Nihongi" and other texts dating from the 8th century (Nara period), is known as "senmyōgaki".