[luatex] \hyphenchar bug

[Robert]

Hi again,

\hyphenchar doesn't have any effect (except with -1).
\hsize2,5cm
\hyphenchar\font=`\=
testing testing test hyphenchar

\bye

PS. I have only tested with 0.70.1, so sorry for the noise if this 
should be fixed in 0.75.

Regards,
--
 Robert