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### Heading 3
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###### Heading 6

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- Item 3

1. First item
2. Second item
3. Third item

[Link text](https://example.com)

[Link with title](https://example.com "Title")

![Image alt text](https://picsum.photos/200/100)

[![Clickable image](https://picsum.photos/100/50)](https://example.com)

Inline `code` in text.

```javascript
function greet(name) {
  console.log(`Hello, ${name}!`);
}
```

```python
def greet(name):
    print(f"Hello, {name}!")
```

| Left | Center | Right |
|:-----|:------:|------:|
| L1   |   C1   |    R1 |
| L2   |   C2   |    R2 |
| L3   |   C3   |    R3 |

> This is a blockquote.
>
> It can span multiple lines.

> Nested quotes:
>> Are also possible
>>> Even deeper

> [!NOTE]
> Useful information.

> [!TIP]
> Helpful advice.

> [!WARNING]
> Important warning.

> [!DANGER]
> Critical alert!

> [!NOTE] Custom Title
> With a custom title.

```mermaid
graph TD
    A[Start] --> B{Decision}
    B -->|Yes| C[OK]
    B -->|No| D[Cancel]
    C --> E[End]
    D --> E
```

```mermaid
sequenceDiagram
    Alice->>Bob: Hello!
    Bob-->>Alice: Hi!
    Alice->>Bob: How are you?
    Bob-->>Alice: Great!
```

```mermaid
pie title Browser Share
    "Chrome" : 65
    "Firefox" : 15
    "Safari" : 12
    "Other" : 8
```

The equation $E = mc^2$ revolutionized physics.

The quadratic formula is $x = \frac{-b \pm \sqrt{b^2-4ac}}{2a}$.

$$
\int_0^\infty e^{-x^2} dx = \frac{\sqrt{\pi}}{2}
$$

$$
\sum_{n=1}^{\infty} \frac{1}{n^2} = \frac{\pi^2}{6}
$$

$$
\nabla \times \vec{E} = -\frac{\partial \vec{B}}{\partial t}
$$

```plot
// Plot y = sin(x) from -10 to 10
traces = [line(x => sin(x), [-10, 10])]
```

```plot
// Plot z = sin(x) * cos(y)
traces = [surface((x, y) => sin(x) * cos(y))]
```

```plot
// Compare trig functions
traces = [
  line(x => sin(x), [-10, 10], {name: 'sin(x)'}),
  line(x => cos(x), [-10, 10], {name: 'cos(x)'}),
  line(x => tan(x)/5, [-10, 10], {name: 'tan(x)/5'})
]
```

```plot
// Planet with inclined orbit
traces = [
  sphere(1, [0,0,0], {color: '#1e90ff'}),
  parametric(
    t => 2*cos(t),
    t => 2*sin(t)*cos(0.4),
    t => 2*sin(t)*sin(0.4),
    [0, 2*PI], 200
  )
]
```

=== "Python"
    ```python
    print("Hello, World!")
    ```

=== "JavaScript"
    ```javascript
    console.log("Hello, World!");
    ```

=== "Rust"
    ```rust
    fn main() {
        println!("Hello, World!");
    }
    ```

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or even ==entire phrases== for emphasis.

- [x] Completed task
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