I appreciate your sources and depth of knowledge. Thanks for the reply. Perhaps it would also be worthwhile to go in the opposite direction: because of the de

I appreciate your sources and depth of knowledge. Thanks for the reply. Perhaps it would also be worthwhile to go in the opposite direction: because of the design limitations of TeX, LaTeX has almost completely replaced TeX as the input language. In that sense, even TeX82 proved to be just a step on the way to a usable-by-people document system.