This post is the result of several years of thinking about compilers, computer languages and FORTH. I have been through many phases in my appraisal of FORTH, fr

This post is the result of several years of thinking about compilers, computer languages and FORTH. I have been through many phases in my appraisal of FORTH, from dismissal, to curiosity, as well as implementation. But recently I have become convinced that FORTH has a main-stream importance that is not widely recognised.