(ref:fig) A very very very very long line that we must not wrap or things go sour for us since bookdown will no longer parse it as a label

An equation with a reference:
\begin{equation}
  f\left(k\right) = \binom{n}{k} p^k\left(1-p\right)^{n-k}
  (\#eq:binom)
\end{equation} 
We can refer to it as Equation \@ref(eq:binom).

Here's a table with a reference:

Table: (\#tab:mytable) A table with a reference.

| A   | B   | C   |
| --- | --- | --- |
| 1   | 2   | 3   |

We refer to is as Table \@ref(tab:mytable), not \@ref(mytable)!

## Implicit Header

We can refer to it as Section \@ref(implicit-header).
