Jane Liu posted: "In China, the currency is called "Renminbi Yuan", why is it not included in Unicode standard ? Instead of it, "Yen" is being used which is the name of Japanese currency. Does Chinese authorities agree to use the same currency symbol as Japan?"
It would seem the currency name and symbol were borrowed into Japan from China. See http://www.mint.go.jp/qa/qa_e03.html for a reference. Note the the Unicode Standard under U+00A5 for ¥ YEN SIGN gives the annotation "= yuan sign". Apparently all symbols are equivalent. Jim Allan
