An example input and output for DiaTeX

after.txt

Markdown
---
This is a markdown file

```ruby
ruby_var = 'ruby_var'
```

<!---
```latex
2 + 3 * x
```
--->
![latex image](https://jules2689.github.io/gitcdn/images/md/9602d8b2a32a15a18650f562d8406c693582dd5b740dd7ced3986d6ac11de56e.png)

<!---
```latex
2 + 3 * x
```
--->

<!---
```latex
2 + 3 * x + y
```
--->
![latex image](https://jules2689.github.io/gitcdn/images/md/c3195cf2142fde3e01cfd46a6ad7e5cc70ba52ea612807eef273a493b41778e1.png)

<!---
```diagram
sequenceDiagram
    participant Jane
    participant Bob
    Jane->John: Hello John, how are you?
    loop Healthcheck
        John->John: Fight against hypochondria
    end
    Note right of John: Rational thoughts <br/>prevail...
    John-->Jane: Great!
    John->Bob: How about you?
    Bob-->John: Jolly good!
```
--->
![diagram image](https://jules2689.github.io/gitcdn/images/md/a4913c90935baee4cba42dcad5a5a000fea35604ac99c4b25c96f0957822cb8e.png)

as_markdown.md

Markdown

This is a markdown file

ruby_var = 'ruby_var'

Jane: Great!

John->Bob: How about you?
Bob-->John: Jolly good!

--->

![diagram image](https://jules2689.github.io/gitcdn/images/md/a4913c90935baee4cba42dcad5a5a000fea35604ac99c4b25c96f0957822cb8e.png)

before.txt

Markdown
---
This is a markdown file

```ruby
ruby_var = 'ruby_var'
```

```latex
2 + 3 * x
```

<!---
```latex
2 + 3 * x
```
--->

```latex
2 + 3 * x + y
```

```diagram
sequenceDiagram
    participant Jane
    participant Bob
    Jane->John: Hello John, how are you?
    loop Healthcheck
        John->John: Fight against hypochondria
    end
    Note right of John: Rational thoughts <br/>prevail...
    John-->Jane: Great!
    John->Bob: How about you?
    Bob-->John: Jolly good!
```