The gallows intrusion, the baseline jumps and multipass

[Stephen Carlson]

f105r is a good example of multipass, especially the third paragraph which is a desperate mess!

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It looks like the top-right halfline of paragraph three was written after the the first line of the paragraph. The text goes around the gallows.

What could be the purpose of that? I can see how it contributes to the aesthetics of the page, viz. to fill in a gap, but I'm drawing a blank for a good plaintext or meaning-related reason for it.