[The body of this posting vanished from WordPress on 4/23/19. Below is a summary of its content, without most of the original bells and whistles; when I finished the 4/13/19 posting, I deleted the files of background material for it, and I no longer have the heart to reconstruct it all. (By some software freak, the comments from the original posting were preserved.)
If you’re looking for my posting about Louis Flint Ceci and Magrittean disavowals, that’s “A Ceci disavowal” at: