从R Markdown到LaTeX的错误转换 [英] Incorrect conversion from R Markdown to LaTeX

问题描述

为什么以下R Markdown最小(非)工作示例无法编译为PDF?

Why does the following R Markdown minimal (non)-working example not compile to PDF?

---
header-includes:
- \usepackage{fancyhdr}
- \pagestyle{fancy}
- \lhead{}
- \chead{}
- \rhead{The performance of new graduates}
- \lfoot{From: K. Grant}
- \cfoot{To: Dean A. Smith}
output:
  pdf_document:
    keep_tex: yes
    latex_engine: xelatex
---

# Test

特别是，有问题的转换发生在-\lfoot{From: K. Grant}和-\cfoot{To: Dean A. Smith}上，如在输出.tex文件中所见:

In particular, the problematic conversion happens to -\lfoot{From: K. Grant} and -\cfoot{To: Dean A. Smith}, as seen in the output .tex file:

\usepackage{fancyhdr}
\pagestyle{fancy}
\lhead{}
\chead{}
\rhead{The performance of new graduates}
true
true

由于某些原因，这两行都转换为true导致

For some reason, both of these lines are converted to true causing

LaTeX错误:缺少\begin{document}

从而防止文档编译为PDF.

thereby preventing the document from compiling to PDF.

将\lfoot和\cfoot更改为几乎所有其他内容似乎会导致它们正确转换.那么这是怎么回事?我认为转换过程中knitr或pandoc肯定有问题.

Changing \lfoot and \cfoot to just about anything else seems to lead to them being converted correctly. So what's going on here? I take it that there must be a problem with either knitr or pandoc in the conversion process.

^{注意:我对R Markdown不太熟悉，这是对推荐答案}

问题是:字符. pandoc似乎试图解析header-includes内容，就好像它是变量一样，并且:用于分隔变量和值.如果您引用有问题的行，它将编译(不要忘记，以免引起反斜杠)

The : character is the problem. pandoc seems to be trying to parse the header-includes content as if it were variables, and : is used to separate variables and values. It compiles if you quote the lines in question (don't forget, then, to escape the leading backslash)

---
header-includes:
- \usepackage{fancyhdr}
- \pagestyle{fancy}
- \lhead{}
- \chead{}
- \rhead{The performance of new graduates}
- "\\lfoot{From: K. Grant}"
- "\\cfoot{To: Dean A. Smith}"
output:
  pdf_document:
    keep_tex: yes
    latex_engine: xelatex
---

# Test

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