
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "pre"}, [
            DocGroup({"client": "b", "tag": "caret"}, []),
            DocGroup({"tag": "caret", "client": "d"}, []),
            DocChars("wV"), DocGroup({"tag": "caret", "client": "a"}, []),
            DocGroup({"tag": "caret", "client": "e"}, []),
            DocChars(" 0U72 50 6 wlv wotU ")
        ])
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h1"}, [
            DocChars("UM5Us5  "), DocGroup({"tag": "caret", "client": "f"}, []),
            DocChars("J")
        ]),
        DocGroup({"tag": "h2"}, [
            DocGroup({"client": "c", "tag": "caret"}, []),
            DocChars("at\'s up with you?")
        ])
    ])
]

a_del: [
    DelWithGroup([
        DelGroup([
            DelGroup([]),
            DelWithGroup([]),
            DelSkip(1), DelChars(1), DelGroup([]),
            DelGroup([]),
            DelSkip(20)
        ])
    ]),
    DelGroup([
        DelGroup([
            DelSkip(8), DelWithGroup([]),
            DelSkip(1)
        ]),
        DelWithGroup([
            DelGroup([]),
            DelChars(1)
        ])
    ])
]
a_add: [
    AddWithGroup([
        AddGroup({"tag": "h3"}, [
            AddChars("7i"), AddWithGroup([]),
            AddSkip(1), AddGroup({"tag": "caret", "client": "a"}, []),
            AddGroup({"tag": "caret", "client": "b"}, []),
            AddChars("7"), AddSkip(20)
        ])
    ]),
    AddGroup({"tag": "h1"}, []),
    AddGroup({"tag": "p"}, [
        AddChars("O"), AddGroup({"client": "e", "tag": "caret"}, []),
        AddSkip(8), AddWithGroup([]),
        AddSkip(1)
    ]),
    AddWithGroup([
        AddGroup({"tag": "caret", "client": "c"}, [])
    ])
]

b_del: [
    DelWithGroup([
        DelWithGroup([
            DelWithGroup([]),
            DelWithGroup([]),
            DelSkip(2), DelWithGroup([]),
            DelWithGroup([]),
            DelSkip(20)
        ])
    ]),
    DelWithGroup([
        DelGroup([
            DelSkip(5), DelChars(3), DelGroup([]),
            DelSkip(1)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddWithGroup([
            AddWithGroup([]),
            AddWithGroup([]),
            AddSkip(2), AddWithGroup([]),
            AddWithGroup([]),
            AddSkip(20)
        ])
    ]),
    AddWithGroup([
        AddGroup({"tag": "p"}, [
            AddSkip(5), AddChars("x"), AddGroup({"client": "f", "tag": "caret"}, []),
            AddChars("Y"), AddSkip(1)
        ])
    ])
]
