Do publishers care if submitted work has already been copyrighted?
I'm getting ready to start submitting a book I've written. I copyrighted an earlier draft of it a few years ago (as in submitted it for official registered copyright). The final draft has not changed much from that draft. I know from submitting poetry to publishers that publishers don't usually want work that's been displayed or published elsewhere. Do publishers care if something has already been registered for copyright if it hasn't yet been published or displayed?