f76r , text-only page in Q13

[Koen G]

Or several paragraphs, each one marked by a symbol to the left.

Could be, though I  don't see why. Maybe to save space, because of all the text they needed to cram in? If that is the case, it would point to planning and foresight.

JKP: I agree the special sign is particularly smooth, though the hand on this folio is one of the finer ones so I don't think it was added separately. 

About the fancy gallow, I feel like they made it look like a banner on a post. This would not be too uncommon for initials...