Line length best practice
While reviewing !27 (merged) I found that each paragraph was a single textual line in the Markdown source.
I don't think this is best practice for use of Markdown. Review and source code management systems like git and gitlab are largely line-based. Putting too much on a single line weakens their diffing and merging and commenting capabilities.
I suggest the use of Semantic Newlines AKA Semantic Linefeeds. Eg as recommended here https://spec.torproject.org/STYLE.html#starting-notes. More references in torspec#234 (closed).
Probably this should be added to the style guide for the arti doc project, and possibly at a future point to TPI style guides more generally.