It's just a placeholder--a blank line. And empty paragraph tags don't always render as blank lines in all readers.
It also serves to provide cursor placement (and a sane starting point) for Book View editing. Try removing the the non-breaking space (leaving just <p></p>) and see what happens when you try to edit in Book View. Also try removing the the entire line (<p> </p>) leaving nothing but the empty body tags and then switch to Book View and start typing. Then check Code View when you're done.
The bottom line is that something needs to be there, so why not make it something that properly "seeds" Book View AND will render appropriately if left unaltered?
Last edited by DiapDealer; 06-07-2015 at 10:44 AM.
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