IIRC, -- for emdash used to be common on Usenet, which is where I picked it up and still do it. But there's a word for us with usenet experience -- old. (s

IIRC, -- for emdash used to be common on Usenet, which is where I picked it up and still do it. But there's a word for us with usenet experience -- old. (should have been a colon there, but...)