如何替换列表中的“空格符号”（squat-u）？

Question

而不是这个输出带有“蹲-u”空格符号

我想用例如替换它$\cdot$。替换制表符的默认符号没有问题，但替换空格的默认符号没有问题吗？

---

\documentclass{article}
\PassOptionsToPackage{final}{listings}
\usepackage[%
  ,listings
]{tcolorbox}


\newtcblisting{codeexample}{%
  listing only,
  listing options = {%
    showspaces=true,
    showtabs=true,
    tab=\rightarrowfill}
}

\begin{document}
XXX
\begin{codeexample}
Some text with spaces between words.

    "what is a space"?
\end{codeexample}
XXX
\end{document}

Answer 1

您必须重新定义\lst@visiblespace：

\def\lst@visiblespace{\lst@ttfamily{\char32}$\cdot$}

完整代码：

\documentclass{article}
\PassOptionsToPackage{final}{listings}
\usepackage[%
  ,listings
]{tcolorbox}

\makeatletter
\def\lst@visiblespace{\lst@ttfamily{\char32}$\cdot$}
\makeatother

\newtcblisting{codeexample}{%
  listing only,
  listing options = {%
    showspaces=true,
    showtabs=true,
    tab=\rightarrowfill}
}

\begin{document}
XXX
\begin{codeexample}
Some text with spaces between words.

    "what is a space"?
\end{codeexample}
XXX
\end{document}