Of the oldest texts written in native Japanese that still exist today, waka (poems) and senmyō (imperial edicts) from the 8th century comprise the largest part. In this period, texts were usually written in Classical Chinese, but waka and senmyō were written in native Japanese using kanji (Chinese characters). Therefore, they are valuable materials of Old Japanese for linguists. We worked on construction of the corpus of senmyō mainly for the purpose of language research. Our corpus adheres to the writing style of the original text and is created under a unified design as part of the diachronic corpus covering from the eighth century to the present (CHJ)
