Markdown

Syntax

Syntax is not universal, applications can use alternative or additional syntax to achieve the same effect.

Basic

Element	Markdown Syntax
Heading	# H1 ## H2 ### H3
Bold	** Bold **
Italic	* Italic *
Blockquote	> Blockquote
Ordered List	1. First 2. Second 3. Third
Unordered List	- First - Second - Third
Code	`code`
Horizontal Rule	---
Link	[title](https://example.com)
Image	

Extended

Element	Markdown Syntax
Table	| Syntax | Desc | | ------------ | ------------ | | Header | Title | | Paragraph | Text |
Fenced Code Block	``` { "abc": "def", "xyz": 123 } ```
Footnote	Text with reference. [^1] [^1]: Footnote text
Heading ID	# H1 {#custom-id}
Definition List	term : definition
Strikethrough	~~Strikethrough~~
Task List	- [X] Completed - [ ] Backburner
Emoji	Funny example :joy:
Highlight	==Highlight==
Subscript	Molecule H~2~O
Superscript	Exponent x^2^

Other

Element	Markdown Syntax
Underline	__Underlined__

What applications support what?

(List is incomplete)

Y = Supported

N = Not Supported

Application Name	Bold	Italic	Underline	Strikethrough	Headers	Link	Lists	Code blocks	Block quote	Other
WhatsApp	Y, via *this*	Y, via _this_	N	Y, via ~this~	N	N	Y, via - / *	Y, but only `inline`	Y	Monospace via ```this``` (Same as codeblock?)
Discord	Y	Y, via *this* or _that_	Y	Y	Y	Y	Unordered only? 2 spaces before - / * leads to indentation	`Single line` ```python x = 'multiline' ```	Y (>>> intends multiple lines, but looks the same)	Subtext via -# text