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如何删除括号？

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如何删除括号？

我想在幻灯片中添加进度条，按照您的建议，我发现这篇帖子很有用：更改华沙和信息线中的进度条...而且效果非常好。

但是，正如您在下图中看到的，题为“问题”的部分中有括号。

在此处输入图片描述

我该如何移除它们？这是我的 MWE：

    \documentclass{beamer}


\mode<presentation>{

\usetheme{Darmstadt}
 \setbeamertemplate{caption}[numbered]
\definecolor{lapislazuli}{rgb}{0.15, 0.38, 0.61}
\setbeamercolor{title}{fg=white}
\setbeamercolor{frametitle}{fg=white}
\setbeamercolor{structure}{fg=lapislazuli}
}
\makeatletter
\mode<presentation>{
\setbeamertemplate{footline}{
  \leavevmode%
  \hbox{%
  \begin{beamercolorbox}[wd=.333333\paperwidth,ht=2.25ex,dp=1ex,center]{author in head/foot}%
    \usebeamerfont{author in head/foot}\insertshortauthor\expandafter\beamer@ifempty\expandafter{\beamer@shortinstitute}{}{~~(\insertshortinstitute)}
  \end{beamercolorbox}%
  \begin{beamercolorbox}[wd=.333333\paperwidth,ht=2.25ex,dp=1ex,center]{title in head/foot}%
    \usebeamerfont{title in head/foot}\insertshorttitle
  \end{beamercolorbox}%
  \begin{beamercolorbox}[wd=.333333\paperwidth,ht=2.25ex,dp=1ex,right]{date in head/foot}%
    \usebeamerfont{date in head/foot}\insertshortdate{}\hspace*{2em}
    \insertframenumber{} / \inserttotalframenumber\hspace*{2ex} 
  \end{beamercolorbox}}%
  \vskip0pt%
}
}
\makeatother
\beamertemplatenavigationsymbolsempty
\title[Searching for a progress bar template]{Searching for a progress bar template}
\author[] {Questions}
\institute[Questions]{Chapter}
\date[] {Notions}
\begin{document}
\frame{\titlepage}

\begin{frame}{Outline}
\tableofcontents    
\end{frame}


\begin{frame}
    Explanations.
\end{frame}

\section{Introduction}
\begin{frame}
    ...
\end{frame}

\subsection{Definitions}
\begin{frame}

\end{frame}

\section{Conclusion}
\begin{frame}

\end{frame}

\end{document}

答案1

快速破解：

\author {Questions}
%\institute[Questions]{Chapter}

代替

\author[] {Questions}
\institute[Questions]{Chapter}

完整代码：

\documentclass{beamer}


\mode<presentation>{

\usetheme{Darmstadt}
 \setbeamertemplate{caption}[numbered]
\definecolor{lapislazuli}{rgb}{0.15, 0.38, 0.61}
\setbeamercolor{title}{fg=white}
\setbeamercolor{frametitle}{fg=white}
\setbeamercolor{structure}{fg=lapislazuli}
}
\makeatletter
\mode<presentation>{
\setbeamertemplate{footline}{
  \leavevmode%
  \hbox{%
  \begin{beamercolorbox}[wd=.333333\paperwidth,ht=2.25ex,dp=1ex,center]{author in head/foot}%
    \usebeamerfont{author in head/foot}\insertshortauthor\expandafter\beamer@ifempty\expandafter{\beamer@shortinstitute}{}{~~(\insertshortinstitute)}
  \end{beamercolorbox}%
  \begin{beamercolorbox}[wd=.333333\paperwidth,ht=2.25ex,dp=1ex,center]{title in head/foot}%
    \usebeamerfont{title in head/foot}\insertshorttitle
  \end{beamercolorbox}%
  \begin{beamercolorbox}[wd=.333333\paperwidth,ht=2.25ex,dp=1ex,right]{date in head/foot}%
    \usebeamerfont{date in head/foot}\insertshortdate{}\hspace*{2em}
    \insertframenumber{} / \inserttotalframenumber\hspace*{2ex} 
  \end{beamercolorbox}}%
  \vskip0pt%
}
}
\makeatother
\beamertemplatenavigationsymbolsempty
\title[Searching for a progress bar template]{Searching for a progress bar template}
\author {Questions}
%\institute[Questions]{Chapter}
\date[] {Notions}
\begin{document}
\frame{\titlepage}

\begin{frame}{Outline}
\tableofcontents    
\end{frame}


\begin{frame}
    Explanations.
\end{frame}

\section{Introduction}
\begin{frame}
    ...
\end{frame}

\subsection{Definitions}
\begin{frame}

\end{frame}

\section{Conclusion}
\begin{frame}

\end{frame}

\end{document}

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