
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h3"}, [
            DocGroup({"tag": "caret", "client": "e"}, []),
            DocChars("X"), DocGroup({"tag": "caret", "client": "d"}, []),
            DocChars(" "), DocGroup({"tag": "caret", "client": "c"}, []),
            DocChars("  0  c")
        ]),
        DocGroup({"tag": "h3"}, [
            DocGroup({"tag": "caret", "client": "b"}, []),
            DocChars(" Ifc5wCppCdM  21 ")
        ]),
        DocGroup({"tag": "h3"}, [
            DocChars("m4")
        ])
    ]),
    DocGroup({"tag": "h1"}, []),
    DocGroup({"tag": "h1"}, [
        DocChars("2"), DocGroup({"client": "a", "tag": "caret"}, []),
        DocChars("YS 1llo7dWhat\'s up with you?")
    ])
]

a_del: [
    DelGroup([
        DelGroup([
            DelWithGroup([]),
            DelSkip(1), DelWithGroup([]),
            DelSkip(1), DelWithGroup([]),
            DelSkip(4), DelChars(2)
        ]),
        DelWithGroup([
            DelGroup([]),
            DelSkip(17)
        ]),
        DelWithGroup([
            DelSkip(2)
        ])
    ]),
    DelGroup([]),
    DelGroup([
        DelSkip(1), DelGroup([]),
        DelSkip(28)
    ])
]
a_add: [
    AddGroup({"tag": "p"}, [
        AddChars(" "), AddGroup({"tag": "caret", "client": "b"}, []),
        AddChars("7"), AddWithGroup([]),
        AddSkip(1), AddWithGroup([]),
        AddSkip(1), AddWithGroup([]),
        AddSkip(4), AddChars(" ")
    ]),
    AddWithGroup([
        AddSkip(17)
    ]),
    AddWithGroup([
        AddGroup({"client": "a", "tag": "caret"}, []),
        AddSkip(2)
    ]),
    AddGroup({"tag": "h1"}, [
        AddChars("K"), AddSkip(29)
    ])
]

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