How to display ``` in knitr chunks?

Question

I'm generating a knitr (focusing on .Rmd files) manual for a project and wanted to embed a code chunk that actually displays the " ``` " marks as well as the internal chunk syntax. Eg

``` {r sample, eval= FALSE}

Code example

```

So basically the exact visual you see above. Any thoughts on how to do this?

Answer 1

You can do this by using four spaces before your code as follows:

So this:

Becomes this:

There also is this SO-meta discussion on how to escape this backtick in Markdown

Answer 2

如果你的意思是如何显示三个反引号，答案是“缩进4个空格”（参见Pandoc的四空间规则 ）“。如果你的意思是如何显示一个文字编织代码块，答案是由knitr FAQ给出的＃ 8 。