Traditional word processing and document processing: Visually oriented formatting
Work on Generalized Markup Language (GML) startet about 1970 at IBM (C. Goldfarb, E. Mosher, R. Lorie) - formally defined document types, structure
ANSI standardization process from 1978. First Standard Generalized Markup Language (SGML) draft standard 1980, final ISO standard 1986.
Well known applications: HyperText Markup Language (HTML - WWW), Computer-aided Acquisition and Logistic Support (CALS) - US military logistics and documentation standard