[Tex/LaTex] Classicthesis: Capital abbreviations for acronyms in Acronym section

acronymscapitalizationclassicthesis

I'm writing my thesis with classicthesis and I have some issues with the acronym package together with classicthesis.

The following code shows a minimal reconstruction of my problem:

\documentclass[]{scrbook}
\usepackage{classicthesis}
\usepackage{acronym}

\begin{document}

\begin{acronym}
  \acro{ABC}[ABC]{A B C}
\end{acronym}

\end{document}

This code compiles to:
compilation with classicthesis activated
where I would like to see: compilation with classicthesis deactivated.

The second image was created with the classicthesis package commented out.

How can I enforce classicthesis to leave the capitalization of acronyms in the acronym list as they are?

Best Answer

The acronym environment internally uses the description environment, but the classicthesis package changes the way description item labels are displayed. The scrbook class also makes its own changes.

With just scrbook, the item labels are displayed in bold sans-serif:

\documentclass{scrbook}

\begin{document}

\begin{description}
 \item[ABC] A B C
\end{description}

\end{document}

ABC A B C

Adding classicthesis changes the item label to small-caps:

\documentclass{scrbook}

\usepackage{classicthesis}

\begin{document}

\begin{description}
 \item[ABC] A B C
\end{description}

\end{document}

ABC A B C

The acronym package additionally sets the item format (within the acronym environment) to use \aclabelfont which defaults to using bold:

\documentclass{scrbook}

\usepackage{classicthesis}
\usepackage{acronym}

\begin{document}

\begin{acronym}
  \acro{ABC}[ABC]{A B C}
\end{acronym}

\begin{description}
\item[\aclabelfont{ABC}] A B C
\end{description}

\end{document}

abc A B C abc A B C

Now there's a warning message in the transcript:

LaTeX Font Warning: Some font shapes were not available, defaults substituted.

The problem here is that there's no bold small-caps font available, so the bold small-caps has been replaced with just bold lower case.

You can restore scrbook's formatting for the description environment using:

\renewcommand{\descriptionlabel}[1]{\hspace{\labelsep}\descfont #1}

For example:

\documentclass{scrbook}

\usepackage{classicthesis}
\usepackage{acronym}

\renewcommand{\descriptionlabel}[1]{\hspace{\labelsep}\descfont #1}

\begin{document}

\begin{acronym}
  \acro{ABC}[ABC]{A B C}
\end{acronym}

\begin{description}
\item[\aclabelfont{ABC}] A B C
\end{description}

\end{document}

This produces:

ABC A B C ABC A B C

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