The web book has been updated with a rewriting of the point 7.2. Remarks about the production context. The chapter investitages the multilingualism in Biblical manuscripts and the context for Marciana Gr. Z. 11 (379) (GA 460).
If you have any comment or new inputs of this question, do not hesitate to use this blog post. As you know (if not, have a look to our Forword and Part I. Introduction), the web book is a work in progress and we will be happy to improve the content with your feedback.