[luatex] \lefthyphenmin = 0 or \righthyphenmin inhibits hyphenation

[Patrick Gundlach]

Hello Hans,

thanks for the clarification!

Patrick



> Am 17.06.2021 um 20:12 schrieb Hans Hagen <j.hagen at xs4all.nl>:
> 
> On 6/15/2021 8:31 AM, Patrick Gundlach wrote:
>> Hi all,
>> \lefthyphenmin0
>> \righthyphenmin0
>> \showhyphens{computer}
>> \bye
>> these settings (or one of them) inhibit hyphenation. Is that on purpose?
>> This is LuaTeX, Version 1.12.0 (TeX Live 2020)
>>  restricted system commands enabled.
>> (./test.tex
>> Underfull \hbox (badness 10000) in paragraph at lines 3--3
>> [] \tenrm computer
>> )
>> (see the transcript file for additional information)
>> warning  (pdf backend): no pages of output.
>> Transcript written on test.log.
> the min/max and more are carried with the glyph node and these min/max values run fron 1..255, so indeed it is on purpose (has been so from the start)
> 
> Hans