Patent ID: 8296674

Claim:
A text display apparatus comprising: an input device; a storage unit configured to store a text having a plurality of lines, and information indicating whether one of first to Nth kinds of marks is affixed to each of the plurality of lines; a display unit configured to display a text display area displaying a part of the text, and a scroll bar area representing a range of the text from a top line thereof to a last line thereof, and to display in the scroll bar area a knob figure representing a display range of the text in the text display area, and a mark figure at a position corresponding to that line in the plurality of lines forming the text to which the mark is to be affixed; a movement instructing input receiving unit configured to receive, by the input device, a movement instructing input to move the knob figure in the scroll bar area; and an update unit configured to update the text to be displayed in the text display area to a text of a range corresponding to a moving destination of the knob figure when the knob figure is moved in response to the received movement instructing input, wherein N≧2 when the plurality of lines forming the text contain a line to which an ith (1≦i≦N) kind of mark is to be affixed, the display unit is configured to highlight the line in the text display area in a manner associated with the ith kind of mark, the scroll bar area is divided into N areas along a direction in which the knob figure is movable, and when the plurality of lines forming the text contain a line to which the mark is to be affixed, the display unit is configured to display a mark figure representing a position of the line in an ith one of the N divided areas.