r-markdown: German quotation marks

问题

I coudln't find out how to use the "lang: de" option (link) properly. That is, while tables are correctly named "Tabelle", the following settings:

---
title: "German quotation marks"
author: "will"
date: "24 Jänner 2018"
output: pdf_document
---

"Das ist sehr schön", sagte sie. 

Produce this output:

whereas the following is needed:

回答1:

Following Tobi we can define language and use latex package csquotes.

---
title: "German quotation marks"
author: "will"
date: "24 Jänner 2018"
output: pdf_document
lang: de
header-includes:
  - \usepackage{csquotes}
---

"Das ist sehr schön", sagte sie. 

Yields:

来源：https://stackoverflow.com/questions/48427353/r-markdown-german-quotation-marks