### Bug description

````md

---
title: "Untitled"
format: 
    revealjs: 
        center: true
        theme: beige
        fig-align: center
filters:
    - filters/diagram-generator.lua
    - quarto
---

# hello
```{.plantuml width=80%}
@startuml
skinparam backgroundcolor transparent
A -> B : hello
@enduml
```


# hello 2

```{python}
#| label: fig-polar
#| fig-cap: "A line plot on a polar axis"

import numpy as np
import matplotlib.pyplot as plt

r = np.arange(0, 2, 0.01)
theta = 2 * np.pi * r
fig, ax = plt.subplots(
  subplot_kw = {'projection': 'polar'} 
)
ax.plot(theta, r)
ax.set_rticks([0.5, 1, 1.5, 2])
ax.grid(True)
plt.show()

``` 


```{python}
!ls
```

# test bash
```{bash}
ls
```
````

The output of the bash block is not rendered.  Why? 
Rstudio: 2022.07.2 Build 576


### Checklist

- [X] Please include a minimal, fully reproducible example in a single .qmd file? Please provide the whole file rather than the snippet you believe is causing the issue.
- [X] Please [format your issue](https://quarto.org/bug-reports.html#formatting-make-githubs-markdown-work-for-us) so it is easier for us to read the bug report.
- [X] Please document the RStudio IDE version you're running (if applicable), by providing the value displayed in the "About RStudio" main menu dialog?
- [X] Please document the operating system you're running. If on Linux, please provide the specific distribution.
2022-11-07T04:53:53Z
bayeslearner
bug
closed
output of bash block not rendered. 
https://github.com/quarto-dev/quarto-cli/issues/3203