
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h1"}, [
            DocGroup({"tag": "caret", "client": "d"}, []),
            DocChars(" "), DocGroup({"tag": "caret", "client": "e"}, []),
            DocChars("3 1765  ")
        ]),
        DocGroup({"tag": "p"}, [
            DocChars("3Fd2 "), DocGroup({"client": "b", "tag": "caret"}, []),
            DocChars("QP0"), DocGroup({"tag": "caret", "client": "a"}, []),
            DocChars("eh8Y")
        ]),
        DocGroup({"tag": "p"}, [
            DocChars("Gp"), DocGroup({"client": "c", "tag": "caret"}, []),
            DocChars("0G")
        ])
    ]),
    DocGroup({"tag": "h1"}, [
        DocChars("yhat\'s up with you?")
    ])
]

a_del: [
    DelGroup([
        DelWithGroup([
            DelWithGroup([]),
            DelSkip(1), DelWithGroup([]),
            DelSkip(8)
        ]),
        DelGroup([
            DelSkip(2), DelChars(2), DelSkip(1), DelGroup([]),
            DelSkip(1), DelChars(2), DelGroup([]),
            DelChars(1), DelSkip(3)
        ]),
        DelWithGroup([
            DelChars(2), DelGroup([]),
            DelSkip(1)
        ])
    ])
]
a_add: [
    AddWithGroup([
        AddWithGroup([]),
        AddSkip(1), AddWithGroup([]),
        AddSkip(8)
    ]),
    AddGroup({"tag": "h3"}, [
        AddSkip(2), AddGroup({"tag": "caret", "client": "b"}, []),
        AddSkip(2), AddGroup({"client": "a", "tag": "caret"}, []),
        AddSkip(3)
    ]),
    AddWithGroup([
        AddGroup({"client": "c", "tag": "caret"}, []),
        AddSkip(1)
    ])
]

b_del: [
    DelWithGroup([
        DelGroup([
            DelGroup([]),
            DelSkip(10)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddGroup({"tag": "h3"}, [
            AddGroup({"tag": "caret", "client": "d"}, [])
        ]),
        AddGroup({"tag": "p"}, [
            AddChars("1"), AddSkip(10)
        ])
    ])
]
