[luatex] concerning lccodes

[Stephan Hennig]

Am 09.01.2014 20:59, schrieb Stephan Hennig:
> Am 09.01.2014 20:28, schrieb Patrick Gundlach:
> 
>> from the TeX book:
>> 
>> If the starting letter is not lowercase (i.e., if it doesn’t equal
>> its own \lccode), hyphenation is abandoned unless \uchyph is
>> positive.
> 
> OK, thanks!  Will refer to the TeXbook for further information.
> 
> 
>> I don't know if uchyph must be true within the whole word or just the
>> upper case character at the beginning.
> 
> Which makes me wonder, what LuaTeX considers a word (with regards to
> hyphenation)?  A sequence of letter class glyph nodes of the same
> language, optionally intersected by kern, penalty or discretionary
> nodes, except ... ?

Have found the answer in the same paragraph.

Best regards,
Stephan Hennig