h2
The second heading level, written ## at the start of a line. Holds rich text, as all four levels do.
h2Writing with it:
#Allowed in
#Examples
## Reading the residuals## What $r^2$ hidesThe second heading level, written ## at the start of a line. Holds rich text, as all four levels do.
h2## Reading the residuals## What $r^2$ hides