Text in region 1. This paragraph has "-webkit-region-break-after: always". There should be nothing in this region after this line.
First element in the region 3. Some text inside a flow. Some text inside a flow. Some text inside a flow. Text in region 4.
Simple line in region 4.
First line in region 5. This paragraph displays in region 5 because it has a margin-top, which is too high to fit in the previous region.
First line in region 6. This paragraph uses "-webkit-region-break-before: always".