[luatex] fontspec prevents German hyphenation

[Reinhard Kotucha]

On 1 August 2010 Pablo Rodríguez wrote:

 > Hi there,
 > 
 > I have just realized that fontspec prevents a particular hyphenation in 
 > LuaLaTeX. Here you have the sample:
 > 
 > \documentclass{book}
 > \usepackage{fontspec}
 > \usepackage[german,spanish]{babel}
 > \newcommand{\getext}[1]{\foreignlanguage{german}{#1}}
 > \newcommand{\geit}[1]{\foreignlanguage{german}{\emph{#1}}}
 > \begin{document}
 > \showhyphens{documento (documento)}
 > \showhyphens{\emph{documento (documento)}}
 > \showhyphens{(\getext{Umwelterlebnis}) (\getext{Andenken})}
 > \showhyphens{(\geit{Umwelterlebnis}) (\geit{Andenken})}
 > \end{document}
 > 
 > The fourth pair won't be hyphenated if fontspec is loaded. I guess
 > this might be a bug.
 > 
 > BTW, for the German native speakers: isn't Andenken hyphenated as 
 > An-den-ken?

Yes.  I get the same result with and without fontspec

[][] \OT1/cmr/m/n/10 (Um-welt-er-leb-nis) (An-denken)

while with pdflatex (without fontspec) I get:

[] \OT1/cmr/m/n/10 ([]Um-welter-leb-nis[]) ([]An-den-ken[])

Please note that LuaTeX doesn't have hyphenation patterns except those
for English in the format file anymore.  Please check your log file.

So probably you are using English patterns.

Regards,
  Reinhard

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