I see that the typographical information is still missing in:
Horner, George, trans. Sahidic Coptic New Testament in English. Oxford: Clarendon Press, 1911.
Is this an error - it's rather important information.
In the cited resource, Horner has special typographical conventions which I couldn't find in the Logos version. So I went back to the PDF to see what they meant.
For anyone in the future who wonders what they are:
