This is a top-level paragraph.
This paragraph belongs to a first-level block quote
This paragraph belongs to a second-level block quote.
Another top-level paragraph.
This paragraph belongs to a third-level block quote.
This paragraph belongs to a second-level block quote.
This paragraph belongs to a first-level block quote. The second-level block quote above is inside this first-level block quote.
Another top-level paragraph.
A paragraph should be able to handle other block types. For example a list:
First item.
Second item.
Third item.
Content should be properly spaced.