// Test code highlighting.
---
#set text(6pt)
```typ
= Chapter 1
#lorem(100)
#let hi = "Hello World"
```
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#set page(width: 180pt)
#set text(6pt)
```rust
/// A carefully designed state machine.
#[derive(Debug)]
enum State<'a> { A(u8), B(&'a str) }
fn advance(state: State<'_>) -> State<'_> {
unimplemented!("state machine")
}
```
---
#set text(6pt)
```py
import this
def hi():
print("Hi!")
```
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#set page(width: 180pt)
#set text(6pt)
#rect(inset: (x: 4pt, y: 5pt), radius: 4pt, fill: rgb(239, 241, 243))[
```html
Topic
The Hypertext Markup Language.
```
]