Markdown 样式测试
#markdown 2018-07-24

This post is originated from here and is used for testing markdown style. This post contains nearly every markdown usage. Make sure all the markdown elements below show up correctly.

Headers

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# H1
## H2
### H3
#### H4
##### H5
###### H6

Alternatively, for H1 and H2, an underline-ish style:

Alt-H1
======

Alt-H2
------

H1

H2

H3

H4

H5
H6

Alternatively, for H1 and H2, an underline-ish style:

Alt-H1

Alt-H2

Emphasis

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Emphasis, aka italics, with *asterisks* or _underscores_.

Strong emphasis, aka bold, with **asterisks** or __underscores__.

Combined emphasis with **asterisks and _underscores_**.

Strikethrough uses two tildes. ~~Scratch this.~~

Emphasis, aka italics, with asterisks or underscores.

Strong emphasis, aka bold, with asterisks or underscores.

Combined emphasis with asterisks and underscores.

Strikethrough uses two tildes. Scratch this.

Lists

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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.

   You can have properly indented paragraphs within list items. Notice the blank line above, and the leading spaces (at least one, but we'll use three here to also align the raw Markdown).

   To have a line break without a paragraph, you will need to use two trailing spaces.  
   Note that this line is separate, but within the same paragraph.  
   (This is contrary to the typical GFM line break behaviour, where trailing spaces are not required.)

* Unordered list can use asterisks
- Or minuses
+ Or pluses
- Paragraph In unordered list

  For example like this.

Common Paragraph with some text.
And more text.
  1. First ordered list item
  2. Another item
  • Unordered sub-list.

  1. Actual numbers don't matter, just that it's a number

  2. Ordered sub-list

  3. And another item.

    You can have properly indented paragraphs within list items. Notice the blank line above, and the leading spaces (at least one, but we'll use three here to also align the raw Markdown).

    To have a line break without a paragraph, you will need to use two trailing spaces.
    Note that this line is separate, but within the same paragraph.
    (This is contrary to the typical GFM line break behaviour, where trailing spaces are not required.)

  • Unordered list can use asterisks

  • Or minuses

  • Or pluses

  • Paragraph In unordered list

    For example like this.

Common Paragraph with some text. And more text.

Inline HTML

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<p>To reboot your computer, press <kbd>ctrl</kbd>+<kbd>alt</kbd>+<kbd>del</kbd>.</p>

To reboot your computer, press ctrl+alt+del. 

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<dl>
    <dt>Definition list</dt>
    <dd>Is something people use sometimes.</dd>

    <dt>Markdown in HTML</dt>
    <dd>Does *not* work **very** well. Use HTML <em>tags</em>.</dd>
</dl>
Definition list
Is something people use sometimes.
Markdown in HTML
Does not work very well. Use HTML tags. 
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[I'm an inline-style link](https://www.google.com)

[I'm an inline-style link with title](https://www.google.com "Google's Homepage")

[I'm a reference-style link][Arbitrary case-insensitive reference text]

[I'm a relative reference to a repository file](../blob/master/LICENSE)

[You can use numbers for reference-style link definitions][1]

Or leave it empty and use the [link text itself]

Some text to show that the reference links can follow later.

[arbitrary case-insensitive reference text]: https://hexo.io
[1]: https://hexo.io/docs/
[link text itself]: https://hexo.io/api/

I'm an inline-style link

I'm an inline-style link with title

I'm a reference-style link

I'm a relative reference to a repository file

You can use numbers for reference-style link definitions

Or leave it empty and use the link text itself

Some text to show that the reference links can follow later.

Images

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hover to see the title text:

Inline-style:

![alt text](https://hexo.io/icon/favicon-196x196.png "Logo Title Text 1")

Reference-style:
![alt text][logo]

[logo]: https://hexo.io/icon/favicon-196x196.png "Logo Title Text 2"

hover to see the title text:

Inline-style:

alt text

Reference-style: alt text

Code and Syntax Highlighting

Inline code has back-ticks around it.

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var s = "JavaScript syntax highlighting";
alert(s);
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s = "Python syntax highlighting"
print s
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No language indicated, so no syntax highlighting.
But let's throw in a <b>tag</b>.

Tables

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|                |ASCII                          |HTML                         |
|----------------|-------------------------------|-----------------------------|
|Single backticks|`'Isn't this fun?'`            |'Isn't this fun?'            |
|Quotes          |`"Isn't this fun?"`            |"Isn't this fun?"            |
|Dashes          |`-- is en-dash, --- is em-dash`|-- is en-dash, --- is em-dash|
ASCII HTML
Single backticks 'Isn't this fun?' 'Isn't this fun?'
Quotes "Isn't this fun?" "Isn't this fun?"
Dashes -- is en-dash, --- is em-dash -- is en-dash, --- is em-dash

Colons can be used to align columns.

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| Tables        | Are           | Cool  |
| ------------- |:-------------:| -----:|
| col 3 is      | right-aligned |  |
| col 2 is      | centered      |    |
| zebra stripes | are neat      |
Tables Are Cool
col 3 is right-aligned
col 2 is centered
zebra stripes are neat

The outer pipes (|) are optional, and you don't need to make the raw Markdown line up prettily. You can also use inline Markdown.

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Markdown | Less | Pretty
--- | --- | ---
*Still* | `renders` | **nicely**
1 | 2 | 3
Markdown Less Pretty
Still renders nicely
1 2 3

You can find more information about LaTeX mathematical expressions here.

Blockquotes

Blockquotes are very handy in email to emulate reply text. This line is part of the same quote.

Quote break.

This is a very long line that will still be quoted properly when it wraps. Oh boy let's keep writing to make sure this is long enough to actually wrap for everyone. Oh, you can put Markdown into a blockquote.

Horizontal Rule

Three or more...

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---

Hyphens

***

Asterisks

___

Underscores

Hyphens

Asterisks

Underscores

Line Breaks

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Here's a line for us to start with.

This line is separated from the one above by two newlines, so it will be a *separate paragraph*.

This line is also a separate paragraph, but...
This line is only separated by a single newline, so it's a separate line in the *same paragraph*.

Here's a line for us to start with.

This line is separated from the one above by two newlines, so it will be a separate paragraph.

This line is also a separate paragraph, but... This line is only separated by a single newline, so it's a separate line in the same paragraph.

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This is a regular paragraph.

<table>
    <tr>
        <td>Foo</td>
    </tr>
</table>

This is another regular paragraph.

This is a regular paragraph.

Foo

This is another regular paragraph.

Youtube videos

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<a href="https://www.youtube.com/watch?feature=player_embedded&v=ARted4RniaU
" target="_blank"><img src="https://img.youtube.com/vi/ARted4RniaU/0.jpg"
alt="IMAGE ALT TEXT HERE" width="240" height="180" border="10" /></a>

Pure markdown version:

[![IMAGE ALT TEXT HERE](https://img.youtube.com/vi/ARted4RniaU/0.jpg)](https://www.youtube.com/watch?v=ARted4RniaU)

IMAGE ALT TEXT HERE

Pure markdown version:

IMAGE ALT TEXT HERE