
doc:   [
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            DocGroup({"tag": "caret", "client": "a"}, []),
            DocChars("y7Q 4488A"), DocGroup({"tag": "caret", "client": "f"}, []),
            DocChars("VS4"), DocGroup({"client": "c", "tag": "caret"}, []),
            DocChars(" ")
        ]),
        DocGroup({"tag": "h3"}, [
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            DocChars("7v  ")
        ]),
        DocGroup({"tag": "h2"}, [
            DocGroup({"tag": "caret", "client": "g"}, []),
            DocChars("2 g"), DocGroup({"client": "b", "tag": "caret"}, []),
            DocChars("2g")
        ]),
        DocGroup({"tag": "h2"}, [
            DocChars("hk  ke c O0yG01")
        ])
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "pre"}, [
            DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars(" U8")
        ])
    ]),
    DocGroup({"tag": "h3"}, [
        DocChars("1 pllo wFPW3  What\'s up with you?")
    ])
]

a_del: [
    DelGroup([
        DelGroup([
            DelGroup([]),
            DelSkip(9), DelWithGroup([]),
            DelSkip(3), DelWithGroup([]),
            DelSkip(1)
        ]),
        DelWithGroup([
            DelSkip(1), DelWithGroup([]),
            DelSkip(4)
        ]),
        DelWithGroup([
            DelWithGroup([]),
            DelSkip(1), DelChars(2), DelGroup([])
        ]),
        DelSkip(1)
    ])
]
a_add: [
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        AddGroup({"client": "a", "tag": "caret"}, []),
        AddSkip(1), AddChars(" "), AddSkip(8), AddWithGroup([]),
        AddSkip(3), AddWithGroup([]),
        AddSkip(1)
    ]),
    AddWithGroup([
        AddSkip(1), AddWithGroup([]),
        AddSkip(4)
    ]),
    AddWithGroup([
        AddGroup({"tag": "caret", "client": "b"}, []),
        AddWithGroup([]),
        AddSkip(1), AddChars("I")
    ]),
    AddSkip(1)
]

b_del: [
    DelWithGroup([
        DelGroup([
            DelWithGroup([]),
            DelSkip(9), DelWithGroup([]),
            DelSkip(2), DelChars(1), DelGroup([]),
            DelSkip(1)
        ]),
        DelGroup([
            DelSkip(6)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddGroup({"tag": "h3"}, [
            AddWithGroup([]),
            AddSkip(9), AddWithGroup([]),
            AddSkip(3), AddGroup({"tag": "caret", "client": "c"}, []),
            AddChars("U"), AddSkip(6)
        ])
    ])
]
