General ⇒ What is 'gobble'??? Got a strange error :-(

[goleo]

Dear community members,

I got a latex document from a colleague who left our group. I tried to compile it and retrieved a strange error message:

Code: Select all

<to be read again>
                   \relax
l.60
     )) [36] (./main.ind [37])
! Argument of \@gobble has an extra }.
<inserted text>
                \par
l.93 \end{document}

? Runaway argument?
! Paragraph ended before \@gobble was complete.
<to be read again>
                   \par
l.93 \end{document}

Does anyone know what this kind of error indicates? Line 93 just contains the \end{document}-tag and everything looks nice. But the error keeps popping up.

[goleo]

I kept on debugging and I could locate the line that causes this error:

Code: Select all

\captionsetup[lstlisting]{format=listing,labelfont=white,textfont=white, singlelinecheck=false, margin=0pt, font={bf,footnotesize}}

However, I do not know what is wrong there. Can anyone help, please?

Best regards!

P.S. The error does not occur if (and only if) I remove the term "[lstlisting]", i.e. writing "\captionsetup{format=...}" instead of "\captionsetup[lstlisting]{format=...". Does anyone know why???

P.P.S: Okay, going from the minimal working example back to the whole project I experienced something strange. It seems that this was not causing my problems. Instead of this, it is the call of \printindex.

Still, I don't understand what is happening there.

[cgnieder]

Hi goleo,

Welcome to the LaTeX community! Please provide a minimal working example that let's us reproduce the error... otherwise all help will be pure guess-work.

My guesses: you are using both the listings package and the caption package? You are set a caption style specifically for a floating environment lstlisting?

Regards

[goleo]

Dear cgnieder,


it is a little difficult to provide the source code, because it is distributed over various files. (In addition, when I created the minimal working example it indicated an error that does not appear when I compile the complete code. So it didn't help at first).

Finally, after hours of debugging I COULD FINALLY LOCATE the source of the error. It is these lines in a config/header.tex file:

Code: Select all

\usepackage[]{silence}        % use this to turn off those nasty marginpar warnings
\WarningFilter{latex}{Marginpar on page}
\WarningFilter{latex}{\\headheight is too small }

For whatever reason these lines invoke the error message "Paragraph ended before \@gobble was complete".

[goleo]

== SOLVED ==

I now installed the latest version of the 'silence'-package from CTAN and now it works. The latest version of that package in Ubuntu was from 2009 and, as it seems, was buggy. This solved the problem.

P.S. I hate the Ubuntu latex distribution.