Am 15.01.2014 19:18, schrieb Arthur Reutenauer:
>> However, when activating UK hyphenation patterns the word containing the
>> ligature is also hyphenated (code attached at the end).
>>
>> > This is LuaTeX, Version beta-0.76.0-2013120414 (rev 4627)
>> > (format=lualatex 2013.12.11) 15 JAN 2014 18:20
>> > [...]
>> > [][] \EU2/lmr/m/n/10 fin-an-cial fin-an-cial
>>
>>
>> Why is that?
>
> Try with "nancial".
I see. With
\lefthyphenmin=1
\showhyphens{financial financial}
\bye
the latter word is happily hyphenated.
> [][] \tenrm fi-nan-cial fi-nan-cial
Best regards,
Stephan Hennig