6. The portable electronic device according to claim 1 , wherein, when a character of the scroll character font is compared with a corresponding character of the still character font, a color of a first edge of the character of the scroll character font is different than a color of the corresponding character of the still character font, and a color of other parts of the character of the scroll character font are the same as the color of the character of the still character font.
6. The portable electronic device according to claim 1 , wherein, when a character of the scroll character font is compared with a corresponding character of the still character font, a color of a first edge of the character of the scroll character font is different than a color of the corresponding character of the still character font, and a color of other parts of the character of the scroll character font are the same as the color of the character of the still character font. 12. The portable electronic device according to claim 6 , wherein the first edge comprises a forward edge with respect to a predetermined scroll direction.