原文: https://commonmark.org/help/
还有一个在线学习的: https://commonmark.org/help/tutorial/

Markdown is a simple way to format text that looks great on any device. It doesn’t do anything fancy like change the font size, color, or type — just the essentials, using keyboard symbols you already know.

Type	Or	… to Get
*Italic*	_Italic_	Italic
**Bold**	__Bold__	Bold
# Heading 1	Heading 1 =========	Heading 1
## Heading 2	Heading 2 ---------	Heading 2
[Link](http://a.com)	[Link][1] ⋮ [1]: http://b.org	Link
	![Image][1] ⋮ [1]: http://url/b.jpg
> Blockquote		Blockquote
* List * List * List	- List - List - List	List List List
1. One 2. Two 3. Three	1) One 2) Two 3) Three	One Two Three
Horizontal Rule ---	Horizontal Rule ***	Horizontal Rule
`Inline code` with backticks		Inline code with backticks
``` # code block print '3 backticks or' print 'indent 4 spaces' ```	····# code block ····print '3 backticks or' ····print 'indent 4 spaces'	# code block print '3 backticks or' print 'indent 4 spaces'

Ghost 的 Markdown 及快捷键

原文: https://docs.ghost.org/faq/using-the-editor/