看起來是在 spec 1.2 章節提到的:為何需要規範?
```
What is the exact rule for determining when list items get wrapped in <p> tags? Can a list be partially "loose" and partially "tight"? What should we do with a list like this?
1. one
2. two
3. three
Or this?
1. one
- a
- b
2. two
```
2