On 11/14/2012 7:12 PM, Philipp Gesang wrote:

you need to set some lccodes

assuming that you also use the font loader (i.e. luatex-plain), try the 
attached files ... the next then works ok

\font\test=dejavuserif at 10pt  \test

\hsize 1mm

\noindent Циолковский

\loadpatterns{ru}

\noindent Циолковский

\end

It uses the pattern files that come with context.

Hans

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