It's not standard in written English.
Somebody else can answer the second part of the question.
Rover

Interested in Language
Hello :)
I've noticed that some people add a tilde ~ after a quotation and before the person's name. For example:
"Blah blah blah blah blah." ~ John Johnson
Is this a standard things in English? Or it is just a thing invented by people on the Internet?
Thanks.
It's not standard in written English.
Somebody else can answer the second part of the question.
Rover
Thanks Rover.
Bookmarks