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Markdown Formatting Reference

Markdown syntax reference for headings, emphasis, links, images, code blocks, tables, and extended features (GFM).

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Headings

Markdown Output
# H1 Heading 1 (largest)
## H2 Heading 2
### H3 Heading 3
#### H4 Heading 4
##### H5 Heading 5
###### H6 Heading 6 (smallest)

Emphasis & Formatting

Markdown Output Notes
**bold** or __bold__ bold Double asterisks or underscores
*italic* or _italic_ italic Single asterisks or underscores
***bold italic*** bold italic Triple asterisks
~~strikethrough~~ strikethrough GFM extension
`inline code` inline code Backtick
==highlight== highlight Some parsers only

Links & Images 

[Link text](https://example.com)
[Link with title](https://example.com "Title")
[Reference link][id]
[id]: https://example.com

# Images
![Alt text](image.png)
![Alt text](image.png "Title")
[![Linked image](img.png)](https://example.com)

# Auto-link
<https://example.com>

Lists 

# Unordered (-, *, + all work)
- Item 1
- Item 2
  - Nested item
    - Deeper nesting

# Ordered
1. First
2. Second
3. Third

# Task list (GFM)
- [x] Completed task
- [ ] Pending task
- [ ] Another pending

Code Blocks & Tables 

```python
print('hello world')
```

# Indented (4 spaces)
    code block here

# Tables (GFM)
| Column 1 | Column 2 | Column 3 |
|----------|:--------:|---------:|
| Left     | Center   | Right    |
| data     | data     | data     |

# Alignment: : left  :both:  right:

Block Elements 

> Blockquote text
>> Nested blockquote

---   (horizontal rule, also *** or ___)

<br> (line break)

<!-- HTML comment -->

\*escaped asterisk*  (backslash escapes)

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