On Mon, Jan 13, 2020 at 4:45 PM Bob Proulx <b...@proulx.com> wrote:
> And so if you asked me what the 'x' command did I would have said it > did encryption! GNU ed is an upward compatible extension of Posix ed, which is documented at <https://pubs.opengroup.org/onlinepubs/9699919799/utilities/ed.html>. The x, y, and z commands are not in Posix, so GNU ed is free to make them do anything that seems useful. The "Rationale" section on that page explains the differences between Posix and historic/BSD ed. John Cowan http://vrici.lojban.org/~cowan co...@ccil.org If you have ever wondered if you are in hell, it has been said, then you are on a well-traveled road of spiritual inquiry. If you are absolutely sure you are in hell, however, then you must be on the Cross Bronx Expressway. --Alan Feuer, New York Times, 2002-09-20