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Painting inscriptions may have appeared in the Eastern Jin Dynasty, and calligraphy inscriptions appeared later than painting. Preface to Lanting Collection, Sacrifice to My Nephew and Cold Food Poem are from the Eastern Jin Dynasty, the Tang Dynasty and the Northern Song Dynasty, and there are no authors' names. There are two cold food poems in Youhuangzhou written on the latest cold food poems respectively, which can be considered as the product of the initial stage of the development of inscriptions at that time or just an unconscious postscript. At the same time, we noticed that many works of the same period were mostly without money. Even if a few works have brush strokes (such as Mi Fei's Shu Su Tie), it may not be intentional, but it has told us that the calligraphy works at that time basically had the habit of explaining the content, time and sometimes even calligraphers. Gradually, this "habit" has been adopted by people, and this fine print can be seen from time to time in the works of Evonne and Lu You in the Southern Song Dynasty. By the Yuan Dynasty, "Xi" had developed into a pattern, and inscription became an indispensable part of a complete calligraphy work.
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