[]
[AddGroup({"tag": "p"}, [AddSkip(5)]), AddGroup({"tag": "p"}, [AddSkip(5)])]

[]
[AddSkip(11), AddChars("_")]

[]
[AddGroup({"tag": "p"}, [AddSkip(5)]), AddGroup({"tag": "p"}, [AddSkip(5)]), AddSkip(1), AddChars("_")]