SDF Syntax Definition Formalism. A language for lexical and syntactic specification. ["The Syntax Definition Formalism SDF - Reference Manual", J. Heering et al, Centre for Math & CS, Amsterdam]. ["Algebraic Specification", J.A. Bergstra et al eds, ACM Press 1989, Chap 6. To appear]. (1994-10-27)
SDF System Dialog Facility (BS2000)