Abstract: In a word processor having a keyboard and a display unit for the one-line display of a succession of characters constituting a section of text, the display unit presenting a row of display locations each arranged to display one character, with the display location at the right end of the row constituting a character input location, each character keyed in via the keyboard being first displayed at the input location and then being displayed at successive locations extending along the row to the left of the input location upon the keying in of subsequent characters via the keyboard, the word processor further including a data memory connected for storing the characters keyed in via the keyboard, and a control device for controlling the display of stored text on the display unit, the display unit presents a second character input location to the left of the first-mentioned input location, and the processor is provided with control elements for causing the second location to become the operative input location so

Abstract: Plural imprints of a selected character on a record carrier medium, which imprints are close together, mutually offset and partially overlapping, are generated in an office machine printer equipped with a typing element, in order to correct misprints or produce bold face prints.