
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "p"}, [
            DocGroup({"client": "b", "tag": "caret"}, []),
            DocGroup({"client": "f", "tag": "caret"}, []),
            DocGroup({"client": "e", "tag": "caret"}, []),
            DocGroup({"client": "c", "tag": "caret"}, []),
            DocChars("5r")
        ]),
        DocGroup({"tag": "h2"}, [
            DocChars("G")
        ]),
        DocGroup({"tag": "h2"}, [
            DocChars("4FdB  QQT"), DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars("C2k ")
        ]),
        DocGroup({"tag": "h3"}, [
            DocChars(" 4")
        ]),
        DocGroup({"tag": "h3"}, [
            DocChars("0")
        ]),
        DocGroup({"tag": "h3"}, [
            DocChars("lLo world!")
        ])
    ]),
    DocGroup({"tag": "p"}, [
        DocChars("7N"), DocGroup({"tag": "caret", "client": "a"}, []),
        DocChars("xT2at\'s up with you?")
    ])
]

a_del: [
    DelGroup([
        DelGroup([
            DelGroup([]),
            DelWithGroup([]),
            DelWithGroup([]),
            DelWithGroup([]),
            DelSkip(1), DelChars(1)
        ]),
        DelGroup([
            DelSkip(1)
        ]),
        DelWithGroup([
            DelSkip(9), DelWithGroup([]),
            DelSkip(4)
        ]),
        DelWithGroup([
            DelSkip(2)
        ]),
        DelWithGroup([
            DelSkip(1)
        ]),
        DelWithGroup([
            DelSkip(10)
        ])
    ]),
    DelGroup([
        DelChars(2), DelGroup([]),
        DelChars(1), DelSkip(19)
    ])
]
a_add: [
    AddGroup({"tag": "p"}, [
        AddChars(" "), AddWithGroup([]),
        AddWithGroup([]),
        AddWithGroup([]),
        AddSkip(1), AddGroup({"client": "b", "tag": "caret"}, []),
        AddSkip(1)
    ]),
    AddWithGroup([
        AddSkip(9), AddWithGroup([]),
        AddSkip(4)
    ]),
    AddWithGroup([
        AddSkip(2)
    ]),
    AddWithGroup([
        AddSkip(1)
    ]),
    AddWithGroup([
        AddSkip(10)
    ]),
    AddGroup({"tag": "p"}, [
        AddChars("5"), AddGroup({"client": "a", "tag": "caret"}, []),
        AddChars("1"), AddSkip(19)
    ])
]

b_del: [
    DelWithGroup([
        DelGroup([
            DelWithGroup([]),
            DelWithGroup([]),
            DelWithGroup([]),
            DelGroup([]),
            DelSkip(2)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddGroup({"tag": "p"}, [
            AddWithGroup([]),
            AddWithGroup([]),
            AddWithGroup([]),
            AddChars("L")
        ]),
        AddGroup({"tag": "p"}, [
            AddGroup({"tag": "caret", "client": "c"}, []),
            AddSkip(2)
        ])
    ])
]
