Normative I sentence - normative I sentence

…It is a character that evolved from a pictographic ideogram to a phonetic character, and the document "Lolo Translation" shows that in the early Qing dynasty, in Dongchuan Prefecture (northern Yunnan), each character was still read as an ideogram with two syllables. In 1975, a standard Yi script that organized and unified the old character shapes was tried out, and was officially promulgated in 1980. It is a strictly phonetic syllabary that distinguishes differences in tone by character shapes, and is written horizontally from left to right, with a total of 819 characters. …

*Some of the terminology explanations that refer to "normative I sentences" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…象形字形の表意文字から表音文字に転じた文字で，《倮儸（ロロ）訳語》という資料から，清朝初期には東川府(雲南の北部)ではなお表意文字として1字を2音節で読んでいたことがわかる。1975年に古い字形を整理統一した規範イ文が試行され，80年に正式公布された。それは声調の相違も字形で弁別する厳密な表音節文字で左から右へ横書きし，字数は819字もある。…

※「規範イ文」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報