[luatex] Hyphenation in plain TeX

[Arthur Reutenauer]

> Sorry if this could take as impolite but could French speaking
> (ideally whose for whom French is native) say me how correctly hyphenate
> the word 'Médaille' (I taken example for French text from
> fr.wikipedia.org from paper about Poincare, sorry I don't know how to
> write his name correctly, and I use this word to check how luatex
> hyphenate, \showhyphens{Médaille} gives me only one point for hyphenation).

  That's probably because of hyphenmins.  The correct hyphenation points
are mé-dail-le; try setting \lefthyphenmin and \righthyphenmin to 1 and
see what it reports.

	Arthur