
doc:   [
    DocGroup({"tag": "p"}, [
        DocChars("W2"), DocGroup({"client": "a", "tag": "caret"}, []),
        DocChars("P  1K56"), DocGroup({"tag": "caret", "client": "f"}, [])
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h1"}, [
            DocChars("8s"), DocGroup({"tag": "caret", "client": "b"}, []),
            DocChars("y")
        ]),
        DocGroup({"tag": "p"}, [
            DocChars("I "), DocGroup({"client": "e", "tag": "caret"}, []),
            DocChars("4")
        ]),
        DocGroup({"tag": "pre"}, [
            DocChars("34 "), DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars("O22m  2YY")
        ])
    ]),
    DocGroup({"tag": "pre"}, [
        DocChars("eAIr")
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h2"}, [
            DocChars("B"), DocGroup({"tag": "caret", "client": "c"}, []),
            DocChars("yP23llo wor  lhat\'s up with you?")
        ])
    ])
]

a_del: [
    DelWithGroup([
        DelChars(2), DelGroup([]),
        DelChars(1), DelSkip(6), DelWithGroup([])
    ]),
    DelGroup([
        DelWithGroup([
            DelSkip(2), DelGroup([]),
            DelSkip(1)
        ]),
        DelWithGroup([
            DelChars(2), DelGroup([]),
            DelSkip(1)
        ]),
        DelWithGroup([
            DelChars(1), DelSkip(1), DelChars(1), DelGroup([]),
            DelSkip(9)
        ])
    ]),
    DelWithGroup([
        DelSkip(2), DelChars(2)
    ]),
    DelWithGroup([
        DelWithGroup([
            DelSkip(1), DelGroup([])
        ])
    ])
]
a_add: [
    AddWithGroup([
        AddChars("V"), AddGroup({"tag": "caret", "client": "a"}, []),
        AddSkip(6), AddWithGroup([])
    ]),
    AddWithGroup([
        AddGroup({"tag": "caret", "client": "b"}, []),
        AddSkip(3), AddChars("R"), AddGroup({"client": "e", "tag": "caret"}, [])
    ]),
    AddWithGroup([
        AddSkip(1)
    ]),
    AddWithGroup([
        AddChars("8"), AddGroup({"client": "d", "tag": "caret"}, []),
        AddSkip(10)
    ]),
    AddWithGroup([
        AddSkip(2), AddChars("4"), AddGroup({"client": "c", "tag": "caret"}, [])
    ]),
    AddWithGroup([
        AddWithGroup([
            AddSkip(1)
        ])
    ])
]

b_del: [
    DelWithGroup([
        DelSkip(2), DelWithGroup([]),
        DelSkip(5), DelChars(2), DelGroup([])
    ]),
    DelWithGroup([
        DelWithGroup([])
    ])
]
b_add: [
    AddWithGroup([
        AddSkip(2), AddWithGroup([]),
        AddSkip(5), AddGroup({"client": "f", "tag": "caret"}, [])
    ]),
    AddWithGroup([
        AddWithGroup([])
    ])
]
