# [Dev-luatex] letterspacing and (no) ligatures

Patrick Gundlach patrick at gundla.ch
Thu Feb 10 14:45:31 CET 2011

> Couldn't one create that distinction by how one sets the text?
>
> Directly input the unicode character for the diphthongs, while allowing the ligatures to be constructed by OpenType rules --- that way the diphthongs would be left alone in situations like this, while ligatures would never be made when not appropriate.

But then it would be a matter of the backend, not LuaTeX (except for \letterspacefont), right?

> I thought this was the whole point behind the Unicode Consortium choosing not to allocate code points for ligatures.

what about U+FB03 for example? (LATIN SMALL LIGATURE FFI)

Perhaps I misunderstood you.

Patrick