
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h1"}, [
            DocGroup({"tag": "caret", "client": "d"}, []),
            DocChars(" "), DocGroup({"tag": "caret", "client": "b"}, []),
            DocChars("J8"), DocGroup({"tag": "caret", "client": "a"}, []),
            DocChars("  Xw tGdeq"), DocGroup({"client": "e", "tag": "caret"}, []),
            DocChars("k")
        ]),
        DocGroup({"tag": "h1"}, [
            DocChars("M")
        ]),
        DocGroup({"tag": "h1"}, [
            DocChars("s")
        ]),
        DocGroup({"tag": "h1"}, [
            DocChars(" MtD03 4 3v   bv")
        ])
    ]),
    DocGroup({"tag": "h3"}, [
        DocChars("UT 6Gd T6e "), DocGroup({"client": "c", "tag": "caret"}, []),
        DocChars("R 4Ql \'s up with you?")
    ])
]

a_del: [
    DelGroup([
        DelGroup([
            DelGroup([]),
            DelSkip(1), DelGroup([]),
            DelChars(2), DelGroup([]),
            DelChars(4), DelSkip(6), DelWithGroup([]),
            DelSkip(1)
        ]),
        DelGroup([
            DelChars(1)
        ]),
        DelGroup([
            DelSkip(1)
        ]),
        DelWithGroup([
            DelSkip(16)
        ])
    ]),
    DelGroup([
        DelSkip(9), DelChars(2), DelGroup([]),
        DelChars(2), DelSkip(19)
    ])
]
a_add: [
    AddGroup({"tag": "h1"}, [
        AddChars("a"), AddSkip(1), AddGroup({"client": "a", "tag": "caret"}, []),
        AddChars("b0"), AddGroup({"client": "b", "tag": "caret"}, []),
        AddSkip(6), AddWithGroup([]),
        AddSkip(1), AddChars(" "), AddGroup({"client": "d", "tag": "caret"}, [])
    ]),
    AddGroup({"tag": "p"}, [
        AddSkip(1)
    ]),
    AddWithGroup([
        AddSkip(16)
    ]),
    AddGroup({"tag": "p"}, [
        AddSkip(9), AddChars("e"), AddGroup({"client": "c", "tag": "caret"}, []),
        AddSkip(19)
    ])
]

b_del: [
    DelWithGroup([
        DelGroup([
            DelWithGroup([]),
            DelSkip(1), DelWithGroup([]),
            DelSkip(2), DelWithGroup([]),
            DelSkip(6), DelChars(2), DelSkip(1), DelChars(1), DelGroup([]),
            DelSkip(1)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddGroup({"tag": "p"}, [
            AddWithGroup([]),
            AddSkip(1), AddWithGroup([]),
            AddSkip(2), AddWithGroup([]),
            AddSkip(6), AddChars("3"), AddGroup({"client": "e", "tag": "caret"}, []),
            AddChars(" "), AddSkip(2)
        ])
    ])
]
