In word processing, a facility of a system which enables it to store a format of tab settings to be automatically restored to the typewriter at the time of printing.; 字(詞)處理技術(shù)中系統(tǒng)的一種功能,它使系統(tǒng)能存儲制表鍵設(shè)置格式,在打印時再自動恢 復(fù)并送到打字機中去。