I told you I was an outsider. I found an ACM article called "Inferred syntax and semantics of PL/S". See <http://portal.acm.org/citation.cfm? id=807066&coll=portal&dl=ACM>. It certainly says that IBM w rote PL/S. What I saw somewhere in 1970-72 may have been an earlier version of this.
Authors: Gio Wiederhold Stanford University John Ehrman Stanford University You need an ACM userid to view the text, though. See also <http://en.wikipedia.org/wiki/PL/S> -- no reference to Stanford there. Also interesting <http://research.microsoft.com/~Gray/papers/CritiqueOfIBM'sCSResearch.doc >. >didn't originate it? >
