
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h1"}, [
            DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars("  T"), DocGroup({"client": "a", "tag": "caret"}, []),
            DocChars("  "), DocGroup({"tag": "caret", "client": "f"}, []),
            DocChars("O0 35gFb")
        ]),
        DocGroup({"tag": "p"}, [
            DocChars("s8"), DocGroup({"tag": "caret", "client": "b"}, []),
            DocChars("I7"), DocGroup({"tag": "caret", "client": "c"}, []),
            DocChars(" "), DocGroup({"client": "e", "tag": "caret"}, []),
            DocChars("vat\'s up with you?")
        ])
    ])
]

a_del: [
    DelGroup([
        DelWithGroup([
            DelWithGroup([]),
            DelSkip(2), DelChars(1), DelWithGroup([]),
            DelSkip(2), DelWithGroup([]),
            DelSkip(8)
        ]),
        DelWithGroup([
            DelChars(2), DelWithGroup([]),
            DelSkip(1), DelChars(1), DelGroup([]),
            DelSkip(1)
        ])
    ])
]
a_add: [
    AddWithGroup([
        AddWithGroup([]),
        AddSkip(2), AddChars("7"), AddWithGroup([]),
        AddSkip(2), AddWithGroup([]),
        AddSkip(8)
    ]),
    AddWithGroup([
        AddWithGroup([]),
        AddSkip(1), AddChars("F"), AddSkip(1), AddGroup({"client": "c", "tag": "caret"}, [])
    ])
]

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