
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h2"}, [
            DocChars(" "), DocGroup({"client": "f", "tag": "caret"}, []),
            DocChars("i X"), DocGroup({"client": "b", "tag": "caret"}, []),
            DocChars("w")
        ]),
        DocGroup({"tag": "h3"}, [
            DocChars(" M"), DocGroup({"client": "c", "tag": "caret"}, []),
            DocGroup({"client": "g", "tag": "caret"}, []),
            DocChars("KQX"), DocGroup({"tag": "caret", "client": "e"}, [])
        ]),
        DocGroup({"tag": "h2"}, [
            DocChars("751sC20KEJ "), DocGroup({"client": "a", "tag": "caret"}, []),
            DocChars(" ")
        ]),
        DocGroup({"tag": "h2"}, [
            DocChars("A ")
        ])
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h1"}, [
            DocChars("Il "), DocGroup({"tag": "caret", "client": "d"}, []),
            DocChars("o wolhat\'s up with you?")
        ])
    ])
]

a_del: [
    DelGroup([
        DelGroup([
            DelSkip(1), DelGroup([]),
            DelSkip(2), DelChars(1), DelWithGroup([]),
            DelSkip(1)
        ]),
        DelWithGroup([
            DelChars(2), DelGroup([]),
            DelWithGroup([]),
            DelSkip(2), DelChars(1), DelWithGroup([])
        ]),
        DelWithGroup([
            DelSkip(10), DelChars(1), DelGroup([]),
            DelChars(1)
        ]),
        DelWithGroup([
            DelSkip(2)
        ])
    ]),
    DelWithGroup([
        DelGroup([
            DelSkip(2), DelChars(1), DelGroup([]),
            DelChars(1), DelSkip(22)
        ])
    ])
]
a_add: [
    AddGroup({"tag": "h2"}, [
        AddGroup({"tag": "caret", "client": "f"}, []),
        AddChars("T"), AddSkip(3), AddWithGroup([]),
        AddSkip(1)
    ]),
    AddWithGroup([
        AddWithGroup([]),
        AddSkip(1), AddGroup({"client": "c", "tag": "caret"}, []),
        AddSkip(1), AddWithGroup([])
    ]),
    AddWithGroup([
        AddSkip(10)
    ]),
    AddWithGroup([
        AddSkip(2)
    ]),
    AddWithGroup([
        AddGroup({"tag": "h1"}, [
            AddChars("H")
        ]),
        AddGroup({"tag": "p"}, [
            AddGroup({"client": "a", "tag": "caret"}, []),
            AddSkip(1), AddChars("s"), AddGroup({"client": "d", "tag": "caret"}, []),
            AddSkip(23)
        ])
    ])
]

b_del: [
    DelWithGroup([
        DelGroup([
            DelSkip(1), DelWithGroup([]),
            DelSkip(3), DelWithGroup([]),
            DelSkip(1)
        ]),
        DelGroup([
            DelSkip(1), DelChars(1), DelWithGroup([]),
            DelGroup([]),
            DelChars(2), DelSkip(2)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddGroup({"tag": "h2"}, [
            AddGroup({"client": "g", "tag": "caret"}, []),
            AddSkip(1), AddWithGroup([]),
            AddSkip(3), AddWithGroup([]),
            AddSkip(1)
        ]),
        AddGroup({"tag": "h1"}, [
            AddSkip(1), AddWithGroup([]),
            AddChars("7"), AddSkip(2)
        ])
    ])
]
