Yes, completely acceptable :-) There might be some technicality/formality that insists otherwise but this is so natural a writing style, and so invisible as a

Yes, completely acceptable :-) There might be some technicality/formality that insists otherwise but this is so natural a writing style, and so invisible as a result, I had to reread the examples a few times before I understood what you were asking about (thought initially you might be asking about the ... notation which is a bit more idiosyncratic and up for debate as to how to use correctly)