Dear Pandoc community,

I have encountered two issues regarding Pandoc's handling of quotation marks in cases where Japanese and English texts are mixed.

I am using Pandoc version 3.1.2 on macOS 12.6.3, and I can reproduce these issues. If these are indeed bugs, I am planning to submit them as issues on GitHub. However, I would appreciate any guidance if these issues arise from my incorrect usage.

Issue 1: Conversion of English phrases within Japanese text

I have observed the following issue. "input.md" is the input file, and "input.tex" is the output file.

$ pandoc input.md -o input.tex

input.md:
その人は"Hello, world!"と言いました。

input.tex:
その人は''Hello, world!{}``と言いました。

However, the conversion is correct when spaces are added before and after the double quotation marks.

input.md:
その人は "Hello, world!" と言いました。

input.tex:
その人は ``Hello, world!'' と言いました。


Issue 2: The quotation marks are treated as Japanese text

When converting with Pandoc, the quotation marks are treated as Japanese text, resulting in an unnaturally wide gap. I have confirmed this using two files, "preamble.tex" and "input.md," and specifying as follows:

$ pandoc input.md -o input.pdf --pdf-engine=xelatex -H preamble.tex.

preamble.tex:
\usepackage{fontspec}

\setmainfont{Georgia}
\setjamainfont{BIZ UDMincho Medium}


input.md:
---
documentclass: bxjsarticle
classoption: pandoc
papersize: a4
fontsize: 10pt
---

# はじめに

その人は "Hello, world!" と言いました。

That person said, "Hello, world!"

pandoc test 2023-04-10 8.47.43.png

In contrast, when I directly write the content in TeX and output it using $ xelatex test.tex, the quotation marks are treated as English text, and the expected output is obtained.

test.tex:
\documentclass[a4paper,xelatex,ja=standard]{bxjsarticle}

\usepackage{fontspec}
\setmainfont{Georgia}
\setjamainfont{BIZ UDMincho Medium}

\title{テスト}
\begin{document}
\maketitle

\section{はじめに}

その人は ``Hello, world!'' と言いました。

That person said, ``Hello, world!''

\end{document}

xelatex test 2023-04-10 8.46.44.png

Shigeru Kobayashi

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