Character and symbology
Printer control languages
Text-display
Image-related
Phenomenological

Exploring language family "Layout and display"

ROFF    1971 Layout and display   United States   UNIX RUNOFF 
RUNOFF    1965 Layout and display   United States   Original roff language 
Scribe    1978 Layout and display   United States   Text-formatting language 
TROFF    1974 Layout and display   United States   Typesetter Runoff