Here’s a rich mix of Markdown elements you can use to test formatting, rendering, and edge cases:

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🧪 Markdown Test Suite

Headings

H1 Heading

H2 Heading

H3 Heading

H4 Heading

H5 Heading

H6 Heading

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Text Formatting

Bold text Italic text Bold & Italic Strikethrough Inline code

This is a blockquote

Nested blockquote

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Lists

Unordered List

• Item 1

• Item 2

  • Nested Item 2a
  • Nested Item 2b

• Item 3

Ordered List

1. First item

2. Second item

   1. Sub-item
   2. Sub-item

3. Third item

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Links

OpenAI Relative Link

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Images

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Code Blocks

JavaScript

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

Python

def greet(name):
    return f"Hello, {name}!"

print(greet("Luna"))

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Tables

Name	Age	Role
Luna	23	Admin
Alex	30	Tutor
Sam	19	Student

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Horizontal Rule

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Checkboxes

• Completed task
• Incomplete task
• Another task

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Emoji

😀 😎 🚀 🔥 💡

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HTML Support (if enabled)

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Escaping Characters

This should not be italic

This is not a heading

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Nested Elements

Nested Heading in Blockquote

• List inside quote

  • Sub item

console.log("Code inside quote");

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Footnotes

Here is a statement with a footnote.¹

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Task List with Code

• Write code
• Test code
• Deploy

npm install
npm run build
npm start

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Definition List (if supported)

Term 1 : Definition 1

Term 2 : Definition 2

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Math (if supported)

Inline: ( E = mc^2 )

Block: $$ \int_0^1 x^2 dx = \frac{1}{3} $$

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If you want, I can generate extreme edge-case markdown (for stress testing parsers) or tailor this for your collaborative notebook system.

Footnotes

1. This is the footnote content. ↩