[luatex] Hyphen char vs discretionary (bug?)

[Hans Hagen]

On 4/30/2018 3:24 PM, Javier Bezos wrote:
>  >    \automatichyphenmode
> 
> 
> Well, I'm optimistc by nature and I thought this would fix my
> problem. But it doesn't.
> 
> The change in the behaviour of luatex wrt hyphens breaks bidi in
> babel.  So, I have a couple of more or less urgent questions
> (I'm investigating, of course, but I'd like to fix it asap).
> 
> 1) How can I see if there is a real char - in  pre_linebreak_filter,
> to apply the Unicode rule for number-hyphen-number (so that 19-29
> doesn't become 29-19 in R contexts).
> 
> 2) If not possible, which is the best alternative? A possibility
> is to read the 'replace' list in the disc node, but I wonder if
> there is a simpler approach.
in case of a disc node you can look at the subtype


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