Emphasis

Emphasis, aka italics, with asterisks or underscores.
Strong emphasis, aka bold, with asterisks or underscores.
Combined emphasis with asterisks and underscores.

Emphasis, aka italics, with *asterisks* or _underscores_.  
Strong emphasis, aka bold, with **asterisks** or __underscores__.  
Combined emphasis with **_asterisks and underscores_**.  

Strikethrough

Note: requires the pymdownx.tilde extension

Strikethrough uses two tildes. Scratch this.

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

Subscript

Note: requires the pymdownx.tilde extension

CH₃CH₂OH
text_{a subscript}

CH~3~CH~2~OH  
text~a\ subscript~  

Superscript

Note: requires the pymdownx.caret extension

2² = 4
text^{a superscript}

2^2^ = 4  
text^a\ superscript^  

Marks

Note: requires the pymdownx.mark extension

• This was marked
• This was inserted
• This was deleted

- ==This was marked==
- ^^This was inserted^^
- ~~This was deleted~~