Markdown

# H1
### H3  
###### H6
Header 1
========
Header 2
--------

*Italics* / _Italics_                       # 斜体：command + i
**Bold** / __Bold__                         # 粗体：command + b
~~Strikethrough~~                           #  删除线

1. First ordered list item
2. Another item
  * Unordered sub-list.
1. Actual numbers don't matter, just that it's a number
  1. Ordered sub-list
4. And another item.  
   Some text that should be aligned with the above item.
* Unordered list can use asterisks
- minuses
+ pluses

https://github.com
[Inline-style](https://www.google.com)      # command + shift + k
[Reference-style][Google]
[Reference-style][1]
leave it empty  [link text]
[Google]: https://www.mozilla.org
[1]: http://slashdot.org
[link text]: http://www.reddit.com

[Contribution](docs/CONTRIBUTING.md)
[Contribution](./)
[Contribution](../)

![alt text](https://xxx.png)                # Inline-style
![alt text][logo]                           # Reference-style
[logo]: https://xxx.png
![Image alt text](/path/to/img.jpg)
![Image alt text](/path/to/img.jpg "title")
![Image alt text][img]
[img]: http://foo.com/img.jpg

`code`
```somthing```                            # ignore ""

| A | B | C |
|:- |:-:| -:|
| a | b | f |
| c | d | e |
| F | G | H |
A   |  B  |  C
--- | --- | ---
*a* | `b` | **c**
1   |  2  |   3
| Name     | Character |
| ---      | ---       |
| Backtick | `         |
| Pipe     | |        |

> This is
> a blockquote
>
> > Nested
> > Blockquote
> This is
  another blockquote

----                    # Hyphens
****                    # Asterisks
____                    # Underscores

- [x] Finish my changes
- [ ] Push my commits to GitHub
- [ ] (Optional) Open a followup issu

@github/support What do you think about these updates?

:+1:
:shipit:

Let's rename *our-new-project* to *our-old-project*.