Code block formatting does not always respect spacing/returns

For some reason code blocks aren’t respecting the hard return.

In .svx file:

```html
<style>
  .red {
    color: red;
  }
</style>

Output:

Just wanted to bring it to your attention just in case it is relevant for ya.

Thanks!

[pngwn]

fixed by #81

[babycourageous]

Awesome! Thanks @pngwn and @dominikg