Image-forming method and device and electronic apparatus incorporating the device

An electronic apparatus comprising:

• an image-forming device, said image-forming device comprising:
• input means for inputting at least one line of a character string by using letter/symbol characters respectively representative of characters including letters, symbols and a space, and a ruled line character representative of a character which designates, by its position in said character string, a position where a ruled line should be drawn in a manner connectable to other ruled lines, the ruled line character having the same character size as that of each of said letter/symbol characters and being processed on a display screen in the same way that said letter/symbol characters are processed;
• and
• image-forming means for forming an image including images of said characters represented respectively by said letter/symbol characters, and an image of said ruled line drawn at said position;
• and
• a printing device which is capable of printing said image formed by said image-forming device.