
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h3"}, []),
        DocGroup({"tag": "p"}, []),
        DocGroup({"tag": "h2"}, [
            DocGroup({"client": "b", "tag": "caret"}, []),
            DocChars(" "), DocGroup({"tag": "caret", "client": "a"}, [])
        ])
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "pre"}, [
            DocChars("cAD5M"), DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars("o6"), DocGroup({"client": "f", "tag": "caret"}, []),
            DocGroup({"tag": "caret", "client": "e"}, [])
        ]),
        DocGroup({"tag": "pre"}, [
            DocChars("L"), DocGroup({"client": "c", "tag": "caret"}, []),
            DocChars("a1 HV mu 6g2t3 n up with you?")
        ])
    ])
]

a_del: [
    DelWithGroup([
        DelWithGroup([]),
        DelGroup([]),
        DelGroup([
            DelGroup([]),
            DelSkip(1), DelGroup([])
        ])
    ]),
    DelGroup([
        DelWithGroup([
            DelChars(1), DelSkip(2), DelChars(2), DelGroup([]),
            DelSkip(2), DelWithGroup([]),
            DelWithGroup([])
        ]),
        DelWithGroup([
            DelChars(1)
        ])
    ])
]
a_add: [
    AddWithGroup([
        AddWithGroup([
            AddChars(" x"), AddGroup({"tag": "caret", "client": "b"}, [])
        ]),
        AddGroup({"tag": "p"}, [
            AddSkip(1), AddChars(" ")
        ])
    ]),
    AddWithGroup([
        AddChars(" "), AddGroup({"client": "a", "tag": "caret"}, []),
        AddSkip(2), AddChars("l"), AddSkip(2), AddWithGroup([]),
        AddWithGroup([])
    ]),
    AddWithGroup([
        AddChars("Ho"), AddGroup({"tag": "caret", "client": "d"}, [])
    ])
]

b_del: [
    DelWithGroup([
        DelWithGroup([]),
        DelWithGroup([]),
        DelWithGroup([
            DelWithGroup([]),
            DelSkip(1), DelWithGroup([])
        ])
    ]),
    DelWithGroup([
        DelGroup([
            DelSkip(5), DelWithGroup([]),
            DelSkip(1), DelChars(1), DelGroup([]),
            DelSkip(1)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddWithGroup([]),
        AddWithGroup([]),
        AddWithGroup([
            AddWithGroup([]),
            AddSkip(1), AddWithGroup([])
        ])
    ]),
    AddWithGroup([
        AddGroup({"tag": "h3"}, [
            AddSkip(5), AddWithGroup([]),
            AddSkip(1), AddGroup({"client": "f", "tag": "caret"}, []),
            AddChars("74 "), AddSkip(1)
        ])
    ])
]
