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From: collberg@dna.lth.se (Christian S. Collberg)
Newsgroups: comp.text.tex
Subject: \ref in \caption. Help with strange behavior.
Message-ID: <1991Mar25.121813.13904@lth.se>
Date: 25 Mar 91 12:18:13 GMT
Article-I.D.: lth.1991Mar25.121813.13904
Sender: newsuser@lth.se (LTH network news server)
Organization: Department of Computer Science, Lund University
Lines: 69


The following document (capttest.tex):

---------------------------------------------------------
\documentstyle{article}

\begin{document}


\section{First Section}
\label{SectLab}

\begin{figure}
askjdfhaslkjf
asdkfaskjd
jsadfhlkj
\caption{Blah blah in section \ref{SectLab} blah blah.} 
\end{figure}

\end{document}
---------------------------------------------------------

produces the following response when processed with LaTeX:

----------------------------------------------------------------------------
> latex capttest.tex
This is TeX, C Version 3.0
(capttest.tex
LaTeX Version 2.09 <7 Dec 1989>
(/usr/local/lib/tex/inputs/article.sty
Document Style `article' <16 Mar 88>.
(/usr/local/lib/tex/inputs/art10.sty))
No file capttest.aux.
LaTeX Warning: Reference `SectLab' on page 1 undefined.
[1] (capttest.aux)
LaTeX Warning: Label(s) may have changed. Rerun to get cross-references right.
 )
Output written on capttest.dvi (1 page, 444 bytes).
Transcript written on capttest.log.

> latex capttest.tex
This is TeX, C Version 3.0
(capttest.tex
LaTeX Version 2.09 <7 Dec 1989>
(/usr/local/lib/tex/inputs/article.sty
Document Style `article' <16 Mar 88>.
(/usr/local/lib/tex/inputs/art10.sty)) (capttest.aux)
! Argument of \@caption has an extra }.
<inserted text>
                \par
<to be read again>
                   }
\addcontentsline ...\protect \contentsline {#2}{#3
                                                  }{\the \@temptokena }}}}\@...

\@caption ... the#1\endcsname }{\ignorespaces #2}}
                                                  \begingroup \@parboxrestor...
l.13 ... blah in section \ref{SectLab} blah blah.}
                 
-------------------------------------------------------------------------------

Can anyone explain this? I apologize in advance if the answer is obvious, 
has been answered a zillion times before, can be found on page xxx of the LaTeX
manual, or is on the FAQ...

Chris-- 

--------------------------------------------------------------------
Christian.Collberg@dna.lu.se