Syntax
Headings
H1 Title
H2 Section
H3 Subsection
H4
H5
H6
Paragraph
This is a normal paragraph.
This is another paragraph separated by a blank line.
Line break example: Hello World
Text Formatting
italic text
bold text
bold italic
strikethrough
inline code
Lists
Unordered List
- apple
- banana
- orange
Nested List
AI
- LLM
- Vision
- Robotics
Ordered List
- first
- second
- third
Links
Reference style link:
[OpenAI Reference][1]
Images
Embedded YouTube Video
Blockquote
This is a quote
Nested quote:
Level 1
Level 2
Code Blocks
Inline code example: print("hello")
Python
print("hello world")
for i in range(3):
print(i)
JavaScript
function greet() {
console.log("hello");
}
greet();
Diff Example
+ added line
- removed line
Tables
| Name | Age |
|---|---|
| Alice | 20 |
| Bob | 25 |
Alignment example:
| Left | Center | Right |
|---|---|---|
| A | B | C |
| D | E | F |
Task List
[x] finished task [] unfinished task [] another task
Horizontal Rule
Footnotes
Here is a sentence with a footnote.[^1]
[^1]: This is the footnote text.
Math (if supported)
Inline math: $E = mc^2$
Block math:
$$ \int_0^\infty x^2 dx $$
HTML inside Markdown
This text uses raw HTML styling.
Collapsible Section
Click to expand
Hidden content inside the collapsible section.
Definition List (not supported everywhere)
Term : Definition of the term
Emoji
🚀 🧠 📚 😄
Keyboard Keys
Press Ctrl + C to copy.
Diagram (Mermaid if supported)
graph TD
A[Start] --> B[Idea]
B --> C[Experiment]
C --> D[Result]
Metadata / Frontmatter (for blog engines)
---
title: Markdown Test
date: 2026-03-06
tags: [markdown, test]
---
Sample Homepage Section
Hi, I'm Ope
I build experiments in AI and interfaces.
Projects
- AI Memory System
- Gesture Mouse
- Tiny LLM experiments
Notes
- Transformer ideas
- TTS experiments
- UI design thoughts
Contact
GitHub • Email
Long Header Table Test
| Extremely Long Header Name That Might Cause Layout Overflow Problems In Some Markdown Renderers | Another Very Long Column Header That Keeps Going And Going Without Stopping | Short |
|---|---|---|
| This is a very very very long text inside a table cell that might wrap across multiple lines depending on how the CSS of the markdown renderer is configured | Another extremely long piece of content that could potentially break the layout if the table does not support proper word wrapping or overflow handling | ok |
| Short text | This column contains a long description explaining something in detail to test how the markdown renderer deals with content that exceeds the typical width of the table container | ok |
| This cell contains a paragraph-sized text to test whether the table will stretch the page width or keep the layout constrained inside the markdown container which is usually around 700px | short | ok |
Ultra Wide Table Test
| Column With A Ridiculously Long Name Designed To Break Layout | Another Column With Even Longer Header Text That Might Cause Horizontal Scrolling In Some Markdown Implementations | Yet Another Column With A Long Header | Final Column |
|---|---|---|---|
| long long long long long long long long long long long long long long long long long long | more long long long long long long long long long long long text | medium | ok |
| medium text | medium text | medium text | ok |
| short | short | short | ok |
Single Column Stress Test
| Extremely Long Header That Probably Should Wrap But Sometimes Does Not In Basic Markdown CSS |
|---|
| This is a very long paragraph placed inside a single table cell to test whether the renderer will wrap the text, overflow the container, or break the layout completely depending on the CSS rules applied to the table element. |
author: Ope tag: #info links:
