It was Occitan. And I had already read an article about this particular manuscript but failed to put the two together. Doh.
Ian N Mills
I thought (for about one minute) today that I discovered a totally new work under the title of the Epistle to the Laodiceans. Then I realized that a lot of the words were French (e.g. "mais" for "sed").
Does anyone on here work on 13th century vernacular Latin/Old French?