<context>
\enableregime [utfil1] % choose input encoding: il1 is "ISO Latin 1" (ISO 8859-1), same as "win"; utf doesn't work here!
\mainlanguage [de] % language mode: changes typesetting rules, quote signs etc.
\setupbodyfontenvironment[default][em=italic] % ConTeXt's default \em is slanted, but italic is better