Copy + Pasting @JeffAtwood's answer:
edit: we DO provide feedback on migrations to people answering via topbar notification
>
> The unsubmitted answer would still be
> saved as a draft, since we auto-save
> drafts for questions and answers every
> 45 seconds.
>
> However, I'm not 100% sure the draft
> would *be visible* when you came back
> to that answer. Normally it would be,
> but since we suppress the answer
> editing area on migrated / closed /
> otherwise functionally unanswerable
> questions.. might not be in that case.
