如何在标头中转义冒号-包含在 YAML 标头中 [英] How to escape a colon in the header-includes in a YAML header

问题描述

我在 rmarkdown::beamer_presentation 中使用自定义 LaTex beamer 主题.

I use a custom LaTex beamer theme in an rmarkdown::beamer_presentation.

自定义主题包含一个标题框.根据 this SO post 可以使用 header-includes: - AtBeginDocument{ itleframe} 欺骗降价以使用新的标题框架.

The custom theme contains a title frame. As per this SO post markdown can be tricked to use the new title frame using header-includes: - AtBeginDocument{ itleframe}.

我的标题包含一个冒号，最好是换行符:First line of title: second line of title.但是，如果我包含冒号，则演示文稿的编译会失败.

My title contains a colon and ideally a linebreak: First line of title: second line of title. However, if I include the colon, the compilation of the presentation fails.

如何转义冒号，如果可行，在它之后强制换行?

How can I escape the colon and, if feasible, force a linebreak right after it?

---
# do not add title here, else markdown generates a second title page
# ==> add title manually below with header-includes
subtitle: "Beamer presentation with R-markdown"
institute: "some place"
date: "`r format(Sys.time(), '%B %d, %Y')`"
author: "Donald Duck"
output:
  bookdown::pdf_book:
    base_format: rmarkdown::beamer_presentation
    theme: "THEMENAME"
    latex_engine: xelatex
    toc: false
    slide_level: 2
    keep_tex: true 
header-includes:
  - 	itle{First line of the title: second line of the title}
  - AtBeginDocument{	itleframe}   
---

对于 MWE 的其余部分，即 beamertheme*.sty 文件，请参阅 提到的 SO 帖子.

For remainder of MWE, i.e. the beamertheme*.sty files, see the mentioned SO post.

推荐答案

您可以在 .tex 文件中对 markdown 隐藏标题:

You can hide the title from markdown in a .tex file:

---
# do not add title here, else markdown generates a second title page
# ==> add title manually below with header-includes
subtitle: "Beamer presentation with R-markdown"
institute: "some place"
date: "`r format(Sys.time(), '%B %d, %Y')`"
author: "Donald Duck"
output:
  bookdown::pdf_book:
    base_format: rmarkdown::beamer_presentation
    theme: "THEMENAME"
    latex_engine: xelatex
    toc: false
    slide_level: 2
    keep_tex: true 
header-includes:
  - input{preamble}
  - AfterBeginDocument{	itleframe}   
---

test

preamble.tex:

preamble.tex:

	itle[short version]{First line of the title: second line of the title}

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