
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "p"}, [
            DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars(" "), DocGroup({"tag": "caret", "client": "c"}, []),
            DocChars(" YD")
        ]),
        DocGroup({"tag": "h3"}, [
            DocChars("iuF7lo woX"), DocGroup({"client": "b", "tag": "caret"}, []),
            DocChars("r")
        ])
    ]),
    DocGroup({"tag": "p"}, [
        DocChars("Wh"), DocGroup({"tag": "caret", "client": "a"}, []),
        DocChars(" u at\'s up with you?")
    ])
]

a_del: [
    DelGroup([
        DelWithGroup([
            DelWithGroup([]),
            DelSkip(1), DelWithGroup([]),
            DelSkip(3)
        ]),
        DelWithGroup([
            DelSkip(8), DelChars(2), DelGroup([]),
            DelSkip(1)
        ])
    ]),
    DelGroup([
        DelChars(2), DelGroup([]),
        DelSkip(20)
    ])
]
a_add: [
    AddWithGroup([
        AddWithGroup([]),
        AddSkip(1), AddWithGroup([]),
        AddSkip(3)
    ]),
    AddWithGroup([
        AddSkip(8), AddChars("q"), AddSkip(1)
    ]),
    AddGroup({"tag": "p"}, [
        AddGroup({"tag": "caret", "client": "b"}, []),
        AddChars("3"), AddGroup({"client": "a", "tag": "caret"}, []),
        AddChars("i"), AddSkip(20)
    ])
]

b_del: [
    DelWithGroup([
        DelWithGroup([
            DelWithGroup([]),
            DelSkip(1), DelGroup([]),
            DelChars(1)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddWithGroup([
            AddWithGroup([]),
            AddSkip(1), AddGroup({"tag": "caret", "client": "c"}, [])
        ])
    ])
]
