in reply to
Re: Kill your "Comment" before you post since it's incorrect?
in thread Kill your "Comment" before you post since it's incorrect?
I don't know the code, but I'm 99% sure that starting a comment does not save anything into the server's database until you really submit it, so going back or closing the window is really enough ;-)
(There are forums where draft articles are auto-saved regularly but there's no such feature here, so it wouldn't make any sense to save something on the server)