
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h2"}, [
            DocGroup({"tag": "caret", "client": "a"}, []),
            DocGroup({"tag": "caret", "client": "f"}, []),
            DocChars(" Ufs7q xus2  1q1"), DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars("2")
        ]),
        DocGroup({"tag": "pre"}, [
            DocGroup({"client": "b", "tag": "caret"}, []),
            DocChars(" u"), DocGroup({"tag": "caret", "client": "c"}, [])
        ])
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h3"}, [
            DocChars(" 43w80oFU4  ")
        ])
    ]),
    DocGroup({"tag": "h3"}, [
        DocGroup({"client": "e", "tag": "caret"}, []),
        DocChars("w  Vtg4uV")
    ]),
    DocGroup({"tag": "p"}, [
        DocChars("That\'s up with you?")
    ])
]

a_del: [
    DelGroup([
        DelGroup([
            DelGroup([]),
            DelWithGroup([]),
            DelSkip(16), DelWithGroup([]),
            DelSkip(1)
        ]),
        DelWithGroup([
            DelGroup([]),
            DelSkip(2), DelGroup([])
        ])
    ]),
    DelWithGroup([
        DelWithGroup([])
    ])
]
a_add: [
    AddGroup({"tag": "h2"}, [
        AddChars("o"), AddGroup({"tag": "caret", "client": "a"}, []),
        AddChars("b"), AddWithGroup([]),
        AddSkip(16), AddWithGroup([]),
        AddSkip(1), AddGroup({"client": "b", "tag": "caret"}, []),
        AddChars(" ")
    ]),
    AddWithGroup([
        AddSkip(2)
    ]),
    AddWithGroup([
        AddWithGroup([
            AddGroup({"tag": "caret", "client": "c"}, [])
        ])
    ])
]

b_del: [
    DelWithGroup([
        DelGroup([
            DelWithGroup([]),
            DelWithGroup([]),
            DelSkip(15), DelChars(1), DelGroup([]),
            DelSkip(1)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddGroup({"tag": "h2"}, [
            AddChars(" 2")
        ]),
        AddGroup({"tag": "p"}, [
            AddWithGroup([]),
            AddWithGroup([]),
            AddSkip(1), AddGroup({"tag": "caret", "client": "d"}, []),
            AddSkip(15)
        ])
    ])
]
