
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "p"}, [
            DocChars("y"), DocGroup({"tag": "caret", "client": "d"}, []),
            DocChars("c"), DocGroup({"tag": "caret", "client": "e"}, []),
            DocChars(" "), DocGroup({"tag": "caret", "client": "f"}, [])
        ]),
        DocGroup({"tag": "h1"}, [
            DocChars(" "), DocGroup({"client": "c", "tag": "caret"}, []),
            DocChars("iy0  dT ay  ")
        ]),
        DocGroup({"tag": "h1"}, [
            DocChars("Q"), DocGroup({"client": "a", "tag": "caret"}, [])
        ])
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "p"}, [
            DocChars(" n"), DocGroup({"tag": "caret", "client": "b"}, []),
            DocChars("   ")
        ])
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "pre"}, [
            DocChars(" 7TA3 5Llx What\'s up with you?")
        ])
    ])
]

a_del: [
    DelGroup([
        DelGroup([
            DelChars(1), DelGroup([]),
            DelSkip(1), DelGroup([]),
            DelSkip(1), DelWithGroup([])
        ]),
        DelGroup([
            DelChars(1), DelGroup([]),
            DelSkip(12)
        ]),
        DelWithGroup([
            DelChars(1), DelGroup([])
        ])
    ]),
    DelGroup([
        DelGroup([
            DelChars(2), DelGroup([]),
            DelSkip(3)
        ])
    ]),
    DelWithGroup([])
]
a_add: [
    AddGroup({"tag": "p"}, [
        AddGroup({"client": "e", "tag": "caret"}, []),
        AddChars("1 w"), AddSkip(2), AddGroup({"tag": "caret", "client": "c"}, []),
        AddWithGroup([]),
        AddSkip(12)
    ]),
    AddWithGroup([]),
    AddGroup({"tag": "p"}, [
        AddChars("w"), AddGroup({"client": "d", "tag": "caret"}, [])
    ]),
    AddGroup({"tag": "p"}, [
        AddGroup({"tag": "caret", "client": "b"}, []),
        AddChars("5"), AddSkip(3)
    ]),
    AddWithGroup([
        AddWithGroup([
            AddGroup({"client": "a", "tag": "caret"}, [])
        ])
    ])
]

b_del: [
    DelWithGroup([
        DelGroup([
            DelSkip(1), DelWithGroup([]),
            DelSkip(1), DelWithGroup([]),
            DelSkip(1), DelGroup([])
        ]),
        DelGroup([
            DelSkip(14)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddGroup({"tag": "p"}, [
            AddSkip(1), AddWithGroup([]),
            AddSkip(1), AddWithGroup([]),
            AddSkip(1), AddGroup({"client": "f", "tag": "caret"}, []),
            AddChars(" "), AddSkip(14)
        ])
    ])
]
