
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "pre"}, [
            DocChars("74 "), DocGroup({"client": "d", "tag": "caret"}, [])
        ]),
        DocGroup({"tag": "h2"}, [
            DocChars("e qw"), DocGroup({"client": "c", "tag": "caret"}, [])
        ]),
        DocGroup({"tag": "h2"}, [
            DocChars(" W57g"), DocGroup({"tag": "caret", "client": "a"}, []),
            DocChars(" ")
        ])
    ]),
    DocGroup({"tag": "h2"}, [
        DocGroup({"client": "b", "tag": "caret"}, []),
        DocChars("  K 5  gv"), DocGroup({"tag": "caret", "client": "e"}, [])
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h3"}, [
            DocChars(" yL  Y55cRb35Ng8MAv5")
        ])
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h1"}, [
            DocGroup({"tag": "caret", "client": "f"}, []),
            DocChars("6n yR up with you?")
        ])
    ])
]

a_del: [
    DelGroup([
        DelGroup([
            DelSkip(2), DelChars(1), DelWithGroup([])
        ]),
        DelGroup([
            DelChars(4), DelGroup([])
        ]),
        DelWithGroup([
            DelSkip(4), DelChars(1), DelGroup([]),
            DelSkip(1)
        ])
    ]),
    DelGroup([
        DelGroup([]),
        DelChars(1), DelSkip(8), DelWithGroup([])
    ]),
    DelWithGroup([
        DelWithGroup([])
    ])
]
a_add: [
    AddGroup({"tag": "h1"}, [
        AddSkip(2), AddGroup({"tag": "caret", "client": "a"}, []),
        AddWithGroup([]),
        AddChars("eH8Jo"), AddGroup({"tag": "caret", "client": "c"}, []),
        AddChars(" ")
    ]),
    AddWithGroup([
        AddSkip(4), AddChars("y "), AddSkip(1)
    ]),
    AddGroup({"tag": "h2"}, [
        AddChars("u"), AddSkip(7), AddChars("4"), AddSkip(1), AddWithGroup([])
    ]),
    AddWithGroup([
        AddWithGroup([
            AddChars("2"), AddGroup({"client": "b", "tag": "caret"}, []),
            AddChars("u")
        ])
    ])
]

b_del: [
    DelWithGroup([
        DelGroup([
            DelSkip(3), DelGroup([])
        ]),
        DelGroup([
            DelChars(2), DelSkip(3)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddGroup({"tag": "pre"}, [
            AddSkip(3), AddGroup({"client": "d", "tag": "caret"}, []),
            AddChars("O"), AddSkip(3)
        ])
    ])
]
