Formatting Playground

2025-05-21

1. Headings

H2 Heading

H3 Heading

H4 Heading

H5 Heading

2. Unordered List

Item one
Item two
- Nested item
- Nested item 2

3. Ordered List

First step
Second step
1. Substep A
2. Substep B

4. Checkboxes (To-Do List)

Task completed
Task not done
Another item

5. Code Blocks

Inline code

Here is some inline code.

Block code

def hello():
    print("hello world!")

6. Blockquote

This is a blockquote.
It can span multiple lines.

7. Links and Images

Visit Wikipedia

Sample image

8. Ruby Annotations (Pinyin & Japanese)

汉hàn字zì是一种中文字符。

週しゅうに一度いちどクラスメイトを買かう話はなし

⚠️ Ruby tags require a Markdown renderer that supports HTML.

9. Horizontal Line

10. Table Example

Name	Age	Language
Alice	24	Python
Bob	30	JavaScript
Charlie	28	Go

11. Footnotes

Embedded videos
Custom CSS styles
Footnotes¹
Anything else your blog supports.

12. formulars with KaTeX

inline: $E=mc^2$

block

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

This is a footnote example ↩