Cheatsheet

**bold**   *italic*   ~~strikethrough~~   ==highlight==   `code`
H~2~O   x^2^   pages 3--7   thought --- aside
\*escaped\*   \$literal dollar

## Section          (body headings start at ##, max depth ####)
### Subsection
 
> blockquote
 
---                  (horizontal rule)
 
Term
: Definition

- item
  - nested item
1. first
2. second
- [ ] open task
- [x] done task

[text](https://example.com)
<https://example.com>          (or just paste the URL)
![alt text](https://example.com/img.png)
See [Anchors](#anchors)        (heading anchor)
A claim.[^1]
 
[^1]: The footnote.

Inline $e^{i\pi} + 1 = 0$ or \( ... \)
 
$$
\int_0^1 x^2 \, dx = \frac{1}{3}
$$

```python
print("hi")
```
 
```python:file.py        (with a title)
print("hi")
```

| Left | Center | Right |
|:-----|:------:|------:|
| a    | b      | c     |

:::theorem[Lagrange]
Statement of the theorem.
:::
 
:::proof
The proof.                  (tombstone added automatically)
:::

:::tip
Boxed callout with a translated title.
:::

::::spoiler[Solution]
Hidden until clicked.
::::
 
::::figure{#fig1}
![alt](https://example.com/plot.png)
 
The caption.
::::
 
:::tikz
\begin{tikzpicture} \draw (0,0) circle (1); \end{tikzpicture}
:::
 
:::::tabs
::::tab{name="Python"}
```python
print("hi")
```
::::
:::::

@[youtube](https://youtu.be/VIDEO_ID)     (or @[vimeo](...))
@handle                                    (mention)
:attach[label]{#attachment-id}             (attachment chip)