On Mon, Oct 28, 2002 at 10:51:46PM +0100, Göran Hultgren wrote:
> Quoting David Farber <dfarber at numenor.com>:
> > Göran - Why do you always end your postscripts with 'DS'?
> > 
> > david
> 
> A good question David! I have no idea! :-)
> 
> When you asked I tried to find on the net why that is customary (at
> least in Swedish) but I didn't find anything. Isn't that "customary"
> in English? Hmmm. I will try to find out.

I have been taught that it's for "den samme" ("the same [person]"),
meaning the postscript is written by the same person as the rest of
the letter, which suggests it's a Swedish thing, although it could
originally be from Latin or French or German for all I know.