U+1AD3 "᫓" Combining Acute-Vertical-Line Unicode Character

U+1AD3 "᫓" Combining Acute-Vertical-Line is a combining diacritical mark used in the Phags-pa script, an ancient alphabet developed for writing Mongolian, Chinese, and other languages during the Yuan dynasty. This character is designed to be placed above a base letter to modify its pronunciation, specifically indicating a distinct tonal or phonetic feature within the script's orthography. It belongs to the Unicode block for Phags-pa extensions and serves as a specialized tool for accurately representing the historical phonetics of texts written in that writing system.