It doesn't, but they expire. So once some time has passed you can submit the same URL again. Some things keep popping up here every few months, and some deserve

It doesn't, but they expire. So once some time has passed you can submit the same URL again. Some things keep popping up here every few months, and some deservedly so. I do wish there was a way to get an autolink to the old threads though. As it is, someone finds it quickly enough, but why not automate it?