# Raw Code Blocks

HTML raw block:

```{=html}
<video controls>
  <source src="video.mp4" type="video/mp4">
</video>
```

LaTeX raw block:

```{=latex}
\begin{equation}
  E = mc^2
\end{equation}
```

OpenXML raw block:

```{=openxml}
<w:p>
  <w:r><w:t>Custom formatting</w:t></w:r>
</w:p>
```
