
doc:   [
    DocGroup({"tag": "h1"}, [
        DocChars("X6"), DocGroup({"tag": "caret", "client": "g"}, []),
        DocChars("r")
    ]),
    DocGroup({"tag": "h2"}, [
        DocChars(" "), DocGroup({"client": "c", "tag": "caret"}, []),
        DocChars("W"), DocGroup({"client": "b", "tag": "caret"}, []),
        DocChars("7I2f"), DocGroup({"tag": "caret", "client": "d"}, []),
        DocChars("N"), DocGroup({"tag": "caret", "client": "f"}, []),
        DocChars(" b6y 17D d2yN"), DocGroup({"tag": "caret", "client": "a"}, []),
        DocChars("p")
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h3"}, [
            DocChars("5cg")
        ]),
        DocGroup({"tag": "pre"}, [
            DocChars("0"), DocGroup({"tag": "caret", "client": "e"}, []),
            DocChars("36Xl  FKp  23Ob5")
        ])
    ]),
    DocGroup({"tag": "h1"}, [
        DocChars(" v h2NW0hat\'s up with you?")
    ])
]

a_del: [
    DelGroup([
        DelSkip(2), DelWithGroup([]),
        DelSkip(1)
    ]),
    DelGroup([
        DelSkip(1), DelGroup([]),
        DelSkip(1), DelGroup([]),
        DelSkip(1), DelChars(2), DelSkip(1), DelGroup([]),
        DelChars(1), DelWithGroup([]),
        DelSkip(12), DelChars(1), DelGroup([]),
        DelSkip(1)
    ]),
    DelWithGroup([
        DelGroup([
            DelChars(2), DelSkip(1)
        ])
    ])
]
a_add: [
    AddGroup({"tag": "h1"}, [
        AddChars("8 w"), AddSkip(2), AddWithGroup([]),
        AddSkip(2), AddChars("5"), AddSkip(1)
    ]),
    AddGroup({"tag": "h1"}, [
        AddChars("P"), AddSkip(1), AddChars("U q"), AddGroup({"tag": "caret", "client": "b"}, []),
        AddChars("w "), AddSkip(1), AddWithGroup([]),
        AddSkip(13)
    ]),
    AddWithGroup([
        AddGroup({"tag": "h2"}, [
            AddGroup({"client": "a", "tag": "caret"}, []),
            AddGroup({"client": "d", "tag": "caret"}, [])
        ]),
        AddGroup({"tag": "h2"}, [
            AddChars("3"), AddGroup({"client": "c", "tag": "caret"}, []),
            AddSkip(1)
        ])
    ])
]

b_del: [
    DelWithGroup([
        DelSkip(2), DelWithGroup([]),
        DelSkip(1)
    ]),
    DelWithGroup([
        DelSkip(1), DelWithGroup([]),
        DelSkip(1), DelWithGroup([]),
        DelSkip(4), DelWithGroup([]),
        DelSkip(1), DelWithGroup([]),
        DelSkip(13), DelWithGroup([]),
        DelSkip(1)
    ]),
    DelGroup([
        DelWithGroup([
            DelSkip(3)
        ]),
        DelWithGroup([
            DelSkip(1), DelGroup([]),
            DelChars(4), DelSkip(1)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddSkip(2), AddWithGroup([]),
        AddSkip(1)
    ]),
    AddWithGroup([
        AddSkip(1), AddWithGroup([]),
        AddSkip(1), AddWithGroup([]),
        AddSkip(4), AddWithGroup([]),
        AddSkip(1), AddWithGroup([]),
        AddSkip(13), AddWithGroup([]),
        AddSkip(1)
    ]),
    AddWithGroup([
        AddSkip(3)
    ]),
    AddWithGroup([
        AddSkip(1), AddChars("Q"), AddSkip(1), AddGroup({"client": "e", "tag": "caret"}, [])
    ])
]
