An algorithm for reducing the quantity of output required from a computer, to update an ordered list displayed on a visual display unit which has limited local editing facilities (IM-AM-013)

Many visual display units (VDU's) have the capability to carry out certain text editing procedures locally on receipt of a single character command from the central computer, e.g. delete line, clear screen etc. This paper describes an algorithm used in a computer system (JOT), at Glasgow Central Station, which makes...