By "editing" I didn't mean editing the source. I meant the writing process, editing [0]. The thing you may hire an Editor to do. It is not something that you can automate, and the difficulty has very little to do with the tooling.

A slight change in code structure, may require many hundreds of adaptions to the literate document, for example.

[0] https://www.postgraduate.uwa.edu.au/__data/assets/pdf_file/0...