
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "pre"}, [
            DocChars("Mq "), DocGroup({"tag": "caret", "client": "g"}, [])
        ]),
        DocGroup({"tag": "pre"}, [
            DocChars("Rv"), DocGroup({"client": "c", "tag": "caret"}, []),
            DocChars("  g "), DocGroup({"tag": "caret", "client": "f"}, []),
            DocChars("1Ia Fr0h g")
        ])
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h1"}, []),
        DocGroup({"tag": "p"}, [
            DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars("E58 "), DocGroup({"tag": "caret", "client": "b"}, []),
            DocChars("Cm")
        ]),
        DocGroup({"tag": "h3"}, [
            DocGroup({"tag": "caret", "client": "e"}, []),
            DocChars("1Q")
        ]),
        DocGroup({"tag": "h3"}, [
            DocChars("kuw")
        ])
    ]),
    DocGroup({"tag": "h2"}, [
        DocChars(" ello worldOJ"), DocGroup({"client": "a", "tag": "caret"}, []),
        DocChars("W hat\'s up with you?")
    ])
]

a_del: [
    DelGroup([
        DelWithGroup([
            DelSkip(3), DelWithGroup([])
        ]),
        DelWithGroup([
            DelSkip(2), DelGroup([]),
            DelSkip(2), DelChars(2), DelGroup([]),
            DelChars(1), DelSkip(6), DelChars(1), DelSkip(1), DelChars(1)
        ])
    ]),
    DelWithGroup([
        DelGroup([]),
        DelGroup([
            DelGroup([]),
            DelChars(2), DelSkip(1), DelChars(1), DelGroup([]),
            DelChars(2)
        ]),
        DelWithGroup([
            DelGroup([])
        ])
    ])
]
a_add: [
    AddWithGroup([
        AddGroup({"client": "f", "tag": "caret"}, []),
        AddSkip(3), AddWithGroup([])
    ]),
    AddWithGroup([
        AddSkip(4), AddChars("x"), AddSkip(6), AddChars(" "), AddGroup({"client": "c", "tag": "caret"}, []),
        AddSkip(1)
    ]),
    AddWithGroup([
        AddGroup({"tag": "h1"}, [
            AddGroup({"client": "e", "tag": "caret"}, []),
            AddChars("0"), AddGroup({"tag": "caret", "client": "b"}, []),
            AddChars("aB"), AddGroup({"tag": "caret", "client": "d"}, []),
            AddSkip(1)
        ]),
        AddWithGroup([])
    ])
]

b_del: [
    DelWithGroup([
        DelGroup([
            DelSkip(2), DelChars(1), DelGroup([])
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddGroup({"tag": "pre"}, [
            AddSkip(2), AddChars("6"), AddGroup({"client": "g", "tag": "caret"}, []),
            AddChars("S")
        ])
    ])
]
