In the operation of creating a text by depressing the keys on the keyboard, when a format code search key is depressed by an operator at an erroneous position, the cursor is moved by the operator to a position where an appropriate format code mark is indicated; and the specific key such as an upward...http://www.google.com.tw/patents/US4931987?utm_source=gb-gplus-share專利 US4931987 - Word processor for locating beginning position of text element and displaying corresponding formatting data and formatting mark separately
