Originally Posted by DaleDe
Actually I have read documents that had the footnote in a paragraph just after its reference. This actually was pretty easy to read I felt but is not standard as compared to a paper book.
That's the way that PG do it. I prefer personally to make them all endnotes, because that way the note doesn't interrupt the flow of the text, which it can do it there are a lot of notes - and some books have a LOT of notes.