
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "pre"}, [
            DocGroup({"tag": "caret", "client": "c"}, []),
            DocGroup({"client": "a", "tag": "caret"}, []),
            DocChars("H3n Uu")
        ]),
        DocGroup({"tag": "p"}, []),
        DocGroup({"tag": "p"}, [
            DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars(" Vy HlD enUeR6h0 l KD4nHb"), DocGroup({"tag": "caret", "client": "e"}, []),
            DocChars("J")
        ]),
        DocGroup({"tag": "p"}, [
            DocChars("e6B")
        ])
    ]),
    DocGroup({"tag": "h2"}, [
        DocChars("rsi"), DocGroup({"tag": "caret", "client": "b"}, []),
        DocChars("up with you?")
    ])
]

a_del: [
    DelWithGroup([
        DelGroup([
            DelWithGroup([]),
            DelGroup([]),
            DelChars(1), DelSkip(1), DelChars(1), DelSkip(3)
        ])
    ])
]
a_add: [
    AddWithGroup([
        AddGroup({"tag": "h1"}, [
            AddGroup({"tag": "caret", "client": "a"}, []),
            AddWithGroup([]),
            AddChars("K"), AddSkip(1), AddChars("66E"), AddSkip(3)
        ])
    ])
]

b_del: [
    DelGroup([
        DelWithGroup([
            DelWithGroup([]),
            DelWithGroup([]),
            DelSkip(6)
        ]),
        DelWithGroup([]),
        DelWithGroup([
            DelWithGroup([]),
            DelSkip(25), DelWithGroup([]),
            DelSkip(1)
        ]),
        DelWithGroup([
            DelChars(3)
        ])
    ]),
    DelGroup([
        DelChars(3), DelGroup([]),
        DelChars(1), DelSkip(11)
    ])
]
b_add: [
    AddWithGroup([
        AddWithGroup([]),
        AddWithGroup([]),
        AddSkip(6)
    ]),
    AddWithGroup([]),
    AddWithGroup([
        AddWithGroup([]),
        AddSkip(25), AddWithGroup([]),
        AddSkip(1)
    ]),
    AddWithGroup([]),
    AddGroup({"tag": "h2"}, [
        AddChars("j"), AddGroup({"tag": "caret", "client": "b"}, []),
        AddSkip(11)
    ])
]
