
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h1"}, [
            DocChars("jo"), DocGroup({"client": "b", "tag": "caret"}, []),
            DocChars("nk"), DocGroup({"tag": "caret", "client": "f"}, []),
            DocChars("q")
        ]),
        DocGroup({"tag": "h2"}, [
            DocChars("lPmW"), DocGroup({"tag": "caret", "client": "d"}, []),
            DocChars("G"), DocGroup({"tag": "caret", "client": "a"}, []),
            DocChars("g")
        ])
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h1"}, [
            DocGroup({"client": "e", "tag": "caret"}, []),
            DocChars("x "), DocGroup({"tag": "caret", "client": "c"}, [])
        ]),
        DocGroup({"tag": "p"}, [
            DocChars("Fp  l 3A1 I3C6dhat\'s up with you?")
        ])
    ])
]

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

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