
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "pre"}, []),
        DocGroup({"tag": "pre"}, [
            DocGroup({"tag": "caret", "client": "a"}, [])
        ]),
        DocGroup({"tag": "pre"}, [
            DocGroup({"client": "e", "tag": "caret"}, []),
            DocChars(" "), DocGroup({"tag": "caret", "client": "f"}, []),
            DocChars("Mg J1t0u YeM rv7H 8f082S1G2u60S 60 5Af 3 m  f853K2f87v8XFqt  H  ")
        ])
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h1"}, [
            DocGroup({"tag": "caret", "client": "c"}, []),
            DocChars("4"), DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars("d rk"), DocGroup({"client": "g", "tag": "caret"}, []),
            DocChars("Y"), DocGroup({"client": "b", "tag": "caret"}, [])
        ]),
        DocGroup({"tag": "h1"}, [
            DocChars(" 87OH4  dcc0ello worGlgWhat\'s up with you?")
        ])
    ])
]

a_del: [
    DelWithGroup([
        DelGroup([]),
        DelGroup([
            DelGroup([])
        ]),
        DelWithGroup([
            DelWithGroup([]),
            DelSkip(1), DelWithGroup([]),
            DelSkip(61), DelChars(3)
        ])
    ]),
    DelGroup([
        DelWithGroup([
            DelGroup([]),
            DelSkip(1), DelGroup([]),
            DelSkip(4), DelWithGroup([]),
            DelSkip(1)
        ]),
        DelSkip(1)
    ])
]
a_add: [
    AddWithGroup([
        AddGroup({"tag": "pre"}, [
            AddGroup({"client": "a", "tag": "caret"}, [])
        ]),
        AddWithGroup([
            AddWithGroup([]),
            AddSkip(1), AddWithGroup([]),
            AddSkip(61), AddChars("t"), AddGroup({"tag": "caret", "client": "c"}, [])
        ])
    ]),
    AddWithGroup([
        AddSkip(1), AddChars("G"), AddSkip(1), AddChars("e"), AddGroup({"tag": "caret", "client": "d"}, []),
        AddSkip(3), AddWithGroup([]),
        AddSkip(1), AddChars("0")
    ]),
    AddSkip(1)
]

b_del: [
    DelWithGroup([
        DelWithGroup([]),
        DelWithGroup([
            DelWithGroup([])
        ]),
        DelWithGroup([
            DelWithGroup([]),
            DelSkip(1), DelGroup([]),
            DelSkip(64)
        ])
    ]),
    DelWithGroup([])
]
b_add: [
    AddWithGroup([
        AddWithGroup([]),
        AddWithGroup([
            AddWithGroup([])
        ]),
        AddWithGroup([
            AddWithGroup([]),
            AddSkip(1), AddChars("5"), AddSkip(64)
        ])
    ]),
    AddWithGroup([
        AddWithGroup([
            AddGroup({"tag": "caret", "client": "f"}, [])
        ])
    ])
]
