r - Including git code in the rmarkdown documents while using bookdown -


is there way possible include code different languages in rmarkdown documents while authoring books using bookdown package? have looked @ knitr option engine possible values python, awk/gawk , executable path can set using engine.path. 

```{r, engine='python'} print "will code chunk hidden?" ```

however, insert code (eg: git) in rmarkdown document without executing it.

for example, including in markdown documents

```git git init ```

if don't want code executed, can embed like:

``` code not executed ```

you can have code highlighting in specific languages:

```css my_css{}  ```

for git command, execution terminal, can highlight with:

```sh git init ```

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