
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h3"}, [
            DocGroup({"client": "e", "tag": "caret"}, []),
            DocChars("6 "), DocGroup({"client": "f", "tag": "caret"}, []),
            DocChars("m ")
        ]),
        DocGroup({"tag": "pre"}, [
            DocChars(" "), DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars(" ar1D G s 2lVjfr1")
        ])
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "pre"}, [
            DocGroup({"tag": "caret", "client": "c"}, []),
            DocChars("2tQ ")
        ])
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h3"}, [
            DocChars("7"), DocGroup({"client": "a", "tag": "caret"}, []),
            DocChars("WA"), DocGroup({"client": "b", "tag": "caret"}, []),
            DocChars(" What\'s up with you?")
        ])
    ])
]

a_del: [
    DelGroup([
        DelGroup([
            DelGroup([]),
            DelSkip(2), DelWithGroup([]),
            DelSkip(2)
        ]),
        DelWithGroup([
            DelSkip(1), DelGroup([]),
            DelSkip(17)
        ])
    ]),
    DelWithGroup([
        DelGroup([
            DelGroup([]),
            DelChars(1), DelSkip(3)
        ])
    ]),
    DelWithGroup([
        DelWithGroup([
            DelChars(1), DelWithGroup([]),
            DelSkip(1), DelChars(1), DelGroup([])
        ])
    ])
]
a_add: [
    AddGroup({"tag": "pre"}, [
        AddGroup({"client": "e", "tag": "caret"}, []),
        AddSkip(2), AddChars("C"), AddGroup({"client": "d", "tag": "caret"}, []),
        AddWithGroup([]),
        AddSkip(2)
    ]),
    AddWithGroup([
        AddSkip(18)
    ]),
    AddWithGroup([
        AddGroup({"tag": "h1"}, [
            AddGroup({"tag": "caret", "client": "b"}, []),
            AddSkip(1), AddGroup({"tag": "caret", "client": "c"}, []),
            AddSkip(2)
        ])
    ]),
    AddWithGroup([
        AddWithGroup([
            AddWithGroup([]),
            AddSkip(1), AddChars("g")
        ])
    ])
]

b_del: [
    DelWithGroup([
        DelGroup([
            DelWithGroup([]),
            DelSkip(1), DelChars(1), DelGroup([]),
            DelSkip(2)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddGroup({"tag": "h3"}, [
            AddChars("q"), AddGroup({"client": "f", "tag": "caret"}, []),
            AddWithGroup([]),
            AddSkip(1)
        ]),
        AddGroup({"tag": "p"}, [
            AddSkip(1), AddChars(" "), AddSkip(1)
        ])
    ])
]
