Phonetic systems based on the pronunciation of each character have also been proposed, but there are too many homonyms in Chinese to make this practical.
因此各系統的電腦，都只能根據自己訂定的規則運行。事實上，更改字體並不困難，只是缺乏標準，因此無所適從。這種紛亂的情況，直到民國六十八年教育部整理公佈了「常用國字標準字體表」，才獲得改善。