Of course, I wouldn't dream of saying that spelchek.pas (as I think I called it because 11-year-old me thought that was hilarious) was state of the art at the t

Of course, I wouldn't dream of saying that spelchek.pas (as I think I called it because 11-year-old me thought that was hilarious) was state of the art at the time, nor would it be sufficient for any purpose today. But it solved the core of the problem: identifying words with a likely mis-spelling, which is all the original article was talking about.