
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h3"}, [
            DocGroup({"tag": "caret", "client": "a"}, []),
            DocChars("P "), DocGroup({"client": "b", "tag": "caret"}, []),
            DocChars("y2p"), DocGroup({"client": "e", "tag": "caret"}, []),
            DocChars(" G O")
        ]),
        DocGroup({"tag": "h3"}, [
            DocChars(" "), DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars("C R    "), DocGroup({"client": "c", "tag": "caret"}, []),
            DocChars("lo woblEat\'s up with you?")
        ])
    ])
]

a_del: [
    DelWithGroup([
        DelGroup([
            DelGroup([]),
            DelChars(2), DelGroup([]),
            DelChars(1), DelSkip(7)
        ])
    ])
]
a_add: [
    AddWithGroup([
        AddGroup({"tag": "h2"}, [
            AddChars("I"), AddGroup({"client": "a", "tag": "caret"}, []),
            AddChars(" "), AddGroup({"tag": "caret", "client": "b"}, []),
            AddSkip(7)
        ])
    ])
]

b_del: [
    DelGroup([
        DelWithGroup([
            DelWithGroup([]),
            DelSkip(2), DelWithGroup([]),
            DelSkip(3), DelWithGroup([]),
            DelSkip(4)
        ]),
        DelWithGroup([
            DelSkip(1), DelWithGroup([]),
            DelSkip(7), DelGroup([]),
            DelChars(1)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddWithGroup([]),
        AddSkip(2), AddWithGroup([]),
        AddSkip(3), AddWithGroup([]),
        AddSkip(4)
    ]),
    AddWithGroup([
        AddSkip(1), AddWithGroup([]),
        AddSkip(7), AddChars(" "), AddGroup({"client": "c", "tag": "caret"}, [])
    ])
]
