
doc:   [
    DocGroup({"tag": "h3"}, []),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h3"}, [
            DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars("O")
        ]),
        DocGroup({"tag": "p"}, [
            DocChars("4"), DocGroup({"client": "a", "tag": "caret"}, []),
            DocChars("h0"), DocGroup({"tag": "caret", "client": "b"}, []),
            DocChars(" "), DocGroup({"tag": "caret", "client": "e"}, []),
            DocChars("j03 6 4Yllo wo "), DocGroup({"tag": "caret", "client": "c"}, []),
            DocChars("  t\'s up with you?")
        ])
    ])
]

a_del: [
    DelWithGroup([]),
    DelGroup([
        DelWithGroup([
            DelWithGroup([]),
            DelSkip(1)
        ]),
        DelWithGroup([
            DelSkip(1), DelWithGroup([]),
            DelSkip(2), DelGroup([]),
            DelChars(1), DelWithGroup([]),
            DelSkip(15), DelGroup([])
        ])
    ])
]
a_add: [
    AddWithGroup([]),
    AddWithGroup([
        AddWithGroup([]),
        AddSkip(1)
    ]),
    AddWithGroup([
        AddSkip(1), AddChars(" "), AddWithGroup([]),
        AddSkip(2), AddChars(" "), AddGroup({"tag": "caret", "client": "b"}, []),
        AddWithGroup([]),
        AddSkip(14), AddChars("s"), AddGroup({"tag": "caret", "client": "c"}, []),
        AddSkip(1)
    ])
]

b_del: [
    DelWithGroup([]),
    DelWithGroup([
        DelWithGroup([
            DelGroup([])
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddGroup({"client": "d", "tag": "caret"}, [])
    ]),
    AddWithGroup([
        AddWithGroup([])
    ])
]
