PS: The above applies even if the MoR-truth is actually different from canon-truth and Harry is therefore tragically mistaken.
Did you mean to say, "if the MoR-truth is the same as the canon-truth"?
Because Harry is mistaken compared to canon truth. In canon, Snape eavesdropped on the original prophecy when it was spoken in front of Dumbledore.
Thanks for the spotting - fixed. (I actually originally wrote "if the MoR-truth is actually different and Harry...", then threw in "from canon-truth" during a cursory edit pass).
Update: This post has also been superseded - new comments belong in the latest thread.
The second thread has now also exceeded 500 comments, so after 42 chapters of MoR it's time for a new thread.
From the first thread: