undefined guillemots

[Henning Hraban Ramm <hraban@fiee.net>]

Hi there!

AFAIK this should work:

\setuplanguage[de][
   leftquote=\guilsinglleft,
   rightquote=\guilsinglright,
   leftquotation=\guillemotleft,
   rightquotation=\guillemotright
]
%\mainlanguage[de]
\language[de]
\setupencoding  [default=ec]

\quotation{Doppelte Anführungszeichen}
\quote{Einfache Anführungszeichen}


But none of the guillemots seems to be defined:

! Undefined control sequence.
\@@ladeleftquotation ->\guillemotleft
\leftboundarycharacter #1#2->\languageparameter #1
                                                   \nobreak \hskip 
\hspaceamo...
\dodosymbol ...bol \csname \??ss :#1:#2\endcsname
                                                   \relax }\relax
\dosymbol ...fnosymbol \redosymbol \currentsymbol
                                                   \fi \fi
<to be read again>
                    \penalty
\dohandlequotation ...\strut \symbol [#1]\penalty
                                                   \!!tenthousand \hskip 
\quo...
...
l.12 \quotation
                {Doppelte Anführungszeichen}
?
! Emergency stop.


What can I do?

Grüßlis vom Hraban!
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