
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "pre"}, [
            DocChars("b"), DocGroup({"tag": "caret", "client": "e"}, []),
            DocChars("X"), DocGroup({"client": "c", "tag": "caret"}, []),
            DocChars("F3 "), DocGroup({"tag": "caret", "client": "f"}, [])
        ]),
        DocGroup({"tag": "h2"}, [
            DocChars("e ")
        ]),
        DocGroup({"tag": "h2"}, [
            DocChars("r"), DocGroup({"client": "b", "tag": "caret"}, []),
            DocChars(" "), DocGroup({"client": "g", "tag": "caret"}, [])
        ]),
        DocGroup({"tag": "h2"}, [
            DocChars("64   E7  ello wou")
        ]),
        DocGroup({"tag": "h2"}, [
            DocChars("7")
        ])
    ]),
    DocGroup({"tag": "h1"}, [
        DocChars(" "), DocGroup({"tag": "caret", "client": "a"}, []),
        DocChars("5hI"), DocGroup({"client": "d", "tag": "caret"}, []),
        DocChars("at\'s up with you?")
    ])
]

a_del: [
    DelGroup([
        DelWithGroup([
            DelSkip(1), DelWithGroup([]),
            DelSkip(1), DelWithGroup([]),
            DelSkip(3), DelWithGroup([])
        ]),
        DelGroup([
            DelSkip(2)
        ]),
        DelWithGroup([
            DelChars(1), DelGroup([]),
            DelSkip(1), DelWithGroup([])
        ]),
        DelWithGroup([
            DelSkip(17)
        ]),
        DelWithGroup([
            DelSkip(1)
        ])
    ]),
    DelWithGroup([
        DelSkip(1), DelGroup([]),
        DelChars(2)
    ])
]
a_add: [
    AddWithGroup([
        AddGroup({"client": "b", "tag": "caret"}, []),
        AddSkip(1), AddWithGroup([]),
        AddSkip(1), AddWithGroup([]),
        AddSkip(3), AddWithGroup([])
    ]),
    AddGroup({"tag": "h2"}, [
        AddSkip(2), AddChars("8 ")
    ]),
    AddWithGroup([
        AddSkip(1), AddWithGroup([])
    ]),
    AddWithGroup([
        AddSkip(17)
    ]),
    AddWithGroup([
        AddSkip(1)
    ]),
    AddGroup({"tag": "bullet"}, [
        AddWithGroup([
            AddGroup({"client": "a", "tag": "caret"}, []),
            AddSkip(1)
        ])
    ])
]

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