Bold
:
**text**
or Ctrl/Cmd+B
Italic
:
*text*
or Ctrl/Cmd+I
Underline:
<u>text</u>
or Ctrl/Cmd+U
Strikethrough
:
~~text~~
Inline code
: backticks around the text, or Ctrl/Cmd+`
Highlight
:
==text==
or Ctrl/Cmd+Shift+H — renders with a tinted background that adapts to light or dark theme