
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "p"}, [
            DocGroup({"client": "c", "tag": "caret"}, []),
            DocGroup({"tag": "caret", "client": "d"}, []),
            DocChars("1 k i2t")
        ]),
        DocGroup({"tag": "p"}, [
            DocGroup({"client": "a", "tag": "caret"}, []),
            DocChars("8MX52C "), DocGroup({"client": "b", "tag": "caret"}, []),
            DocChars(" h48g  xa D  CO")
        ]),
        DocGroup({"tag": "h3"}, [
            DocChars("8")
        ]),
        DocGroup({"tag": "h3"}, [
            DocGroup({"client": "e", "tag": "caret"}, []),
            DocChars("hat\'s up with you?")
        ])
    ])
]

a_del: [
    DelGroup([
        DelGroup([
            DelWithGroup([]),
            DelWithGroup([]),
            DelSkip(1), DelChars(3), DelSkip(1), DelChars(2)
        ]),
        DelGroup([
            DelGroup([]),
            DelSkip(6), DelChars(1), DelGroup([]),
            DelSkip(10), DelChars(5)
        ]),
        DelWithGroup([]),
        DelSkip(1)
    ])
]
a_add: [
    AddGroup({"tag": "p"}, [
        AddGroup({"tag": "caret", "client": "a"}, []),
        AddChars("M"), AddWithGroup([]),
        AddWithGroup([]),
        AddSkip(2), AddChars("MB"), AddSkip(6), AddChars("C"), AddSkip(10)
    ]),
    AddGroup({"tag": "h3"}, [
        AddChars("Lr")
    ]),
    AddWithGroup([
        AddGroup({"tag": "caret", "client": "b"}, [])
    ]),
    AddSkip(1)
]

b_del: [
    DelWithGroup([
        DelGroup([
            DelGroup([]),
            DelWithGroup([]),
            DelSkip(1), DelChars(3), DelSkip(3)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddGroup({"tag": "h3"}, [
            AddChars(" "), AddWithGroup([]),
            AddSkip(1), AddChars("pO8b"), AddGroup({"tag": "caret", "client": "c"}, []),
            AddChars("7"), AddSkip(3)
        ])
    ])
]
