Hi,

When I give a complex command to step having activatestep and
hidestepcontents defined, I get:

[152]
! Argument of \ibox has an extra }.
<inserted text> 
                \par 
l.4327 }


\stepwise*[\let\activatestep=\blau\let\hidestepcontents=\displayidentical]{
\mbox{{\it werden\/} (`will' non-finite form):} \\
\ms[cat]{
 head   & \ms[verb]{ subj & \bstep[\value{step}=1]{\ibox{1}} \\
                   } \\
 subcat & \ibox{2} \\
 vcomp  & \liste{ {\rm V[{\sc lex\/}+, {\it bse\/}, {\sc subj}
\bstep[\value{step}=1]{\ibox{1}}, {\sc subcat}~ \ibox{2}, {\sc vcomp}
\liste{}]}} \\
}
\begin{itemize}
\step[\value{step}=1]{
\item subject of the embedded verb and the subject of the auxiliary are
identical
}
\end{itemize}
}

When I use it like this:

\stepwise*{
\mbox{{\it werden\/} (`will' non-finite form):} \\
\ms[cat]{
 head   & \ms[verb]{ subj & \bstep[\value{step}=1]{\ibox{1}} \\
                   } \\
 subcat & \ibox{2} \\
 vcomp  & \liste{ {\rm V[{\sc lex\/}+, {\it bse\/}, {\sc subj}
\bstep[\value{step}=1]{\ibox{1}}, {\sc subcat}~ \ibox{2}, {\sc vcomp}
\liste{}]}} \\
}
\begin{itemize}
\step[\value{step}=1]{
\item subject of the embedded verb and the subject of the auxiliary are
identical
}
\end{itemize}
}

Everything is fine.

Can I do something about this?

ibox is defined the following way:

\def\ibox#1{\mbox{}\setbox2=\hbox{$\scriptstyle
#1$}\lower.2ex\vbox{\hrule
        \hbox{\vrule\kern1.25pt 
        \vbox{\kern1.25pt\box2\kern1.25pt}\kern1.25pt\vrule}\hrule}}

Thanks and greetings

        Stefan

-- 
Institut für Germanistische Sprachwissenschaft
Friedrich Schiller Universität Jena
Fürstengraben 30
D-07743 Jena

Tel: (+49) (+3641) 9 44 320     http://www.dfki.de/~stefan/
Fax: (+49) (+3641) 9 44 322    
http://www.dfki.de/~stefan/Babel/Interaktiv/Babajava/

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