GVL

Graphical View Language

T. C. N. Graham & J. R. Cordy, Queen's University. Canada

A visual language for specifying interactive graphical output.

"GVL: A Graphical, Functional Language for the Specification of Output in Programming Languages", J. R. Cordy & T. C. N. Graham, Proceedings of the IEEE International Conference on Computer Languages ICCL'90 (March 1990).