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Markdown

Coeus uses standard Markdown. If you already know Markdown, everything you know works. If you don't, here's what you need.

The basics​

# Heading 1
## Heading 2
### Heading 3

Regular paragraph text.

**bold** and *italic*

- bullet list item
- another item

1. numbered list
2. second item

Code blocks​

Wrap code in triple backticks. You can add a language name for syntax highlighting:

```python
def hello():
    print("hello")
```
[link text](https://example.com)

For links to other notes, use wiki-links instead: see Wiki-links.

Images​

![alt text](./assets/image.png)

Or drop an image into the editor and it gets copied into your notes folder automatically.

Diagrams​

Coeus renders Mermaid diagrams. Write a code block with the language set to mermaid:

```mermaid
graph TD
  A[Start] --> B{Decision}
  B -->|Yes| C[Do it]
  B -->|No| D[Skip it]
```

Mermaid supports flowcharts, sequence diagrams, Gantt charts, and more. The preview updates when you save.

Tables​

| Column 1 | Column 2 |
|----------|----------|
| cell     | cell     |

Blockquotes​

> This is a quote or note.

Task checkboxes​

- [ ] unchecked task
- [x] checked task

These are just visual checkboxes in the preview. For real task tracking with due dates and priorities, see Tasks.

What doesn't work​

Coeus doesn't support HTML in notes. Raw HTML inside a Markdown note gets sanitized before display. Stick to Markdown syntax.