A character processing system is disclosed which has an editing function and includes an input unit, a text-edition data memory for storing text data and edition data, a display unit, and a text-edition data buffer for temporarily storing the data to be fed to the display unit. It further includes a...http://www.google.com.tw/patents/US5189731?utm_source=gb-gplus-share專利 US5189731 - Character processing system having editing function
