
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h1"}, [
            DocChars("5 "), DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars(" uP0 2MNb7 JM"), DocGroup({"tag": "caret", "client": "c"}, [])
        ]),
        DocGroup({"tag": "p"}, [
            DocGroup({"client": "b", "tag": "caret"}, [])
        ])
    ]),
    DocGroup({"tag": "h1"}, [
        DocChars("3"), DocGroup({"tag": "caret", "client": "a"}, []),
        DocChars("2 mo4O   H")
    ]),
    DocGroup({"tag": "p"}, [
        DocChars("2  W")
    ]),
    DocGroup({"tag": "p"}, [
        DocChars("h8at\'s up with you?")
    ])
]

a_del: [
    DelGroup([
        DelWithGroup([
            DelSkip(2), DelWithGroup([]),
            DelSkip(9), DelChars(4), DelGroup([])
        ]),
        DelWithGroup([
            DelGroup([])
        ])
    ]),
    DelGroup([
        DelChars(1), DelGroup([]),
        DelSkip(10)
    ])
]
a_add: [
    AddWithGroup([
        AddSkip(2), AddWithGroup([]),
        AddSkip(9), AddGroup({"client": "b", "tag": "caret"}, [])
    ]),
    AddWithGroup([
        AddChars("2")
    ]),
    AddGroup({"tag": "h1"}, [
        AddGroup({"client": "c", "tag": "caret"}, []),
        AddChars("n"), AddGroup({"client": "a", "tag": "caret"}, [])
    ]),
    AddGroup({"tag": "p"}, [
        AddSkip(10)
    ])
]

b_del: [
    DelWithGroup([
        DelGroup([
            DelChars(2), DelGroup([]),
            DelSkip(14)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddGroup({"tag": "h3"}, [
            AddChars(" "), AddGroup({"client": "d", "tag": "caret"}, []),
            AddSkip(14)
        ])
    ])
]
