Even for a post this size, responding to a quote this size, if I preview this message before posting it, sometimes it will vanish entirely. Or if I post it then try to edit it, poof, all the text disappears.
Doesn’t need to be a large post. And since it is intermittent, it’s particularly frustrating, because I can’t identify a cause that always makes it happen.
Edit: Testing the edit. Worked, this time. But experienced the error I described in about 5 separate posts the other day when replying to people.