
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "p"}, [
            DocGroup({"client": "f", "tag": "caret"}, []),
            DocGroup({"client": "g", "tag": "caret"}, []),
            DocChars("1"), DocGroup({"client": "a", "tag": "caret"}, []),
            DocChars("j")
        ]),
        DocGroup({"tag": "h2"}, [
            DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars(" 15i 7 sy f")
        ]),
        DocGroup({"tag": "p"}, [
            DocChars("1")
        ])
    ]),
    DocGroup({"tag": "p"}, [
        DocChars("7 pH")
    ]),
    DocGroup({"tag": "p"}, [
        DocGroup({"client": "e", "tag": "caret"}, []),
        DocChars("0")
    ]),
    DocGroup({"tag": "p"}, [
        DocChars(" world!q1r"), DocGroup({"client": "b", "tag": "caret"}, []),
        DocChars("What\'s up with you?")
    ])
]

a_del: [
    DelGroup([
        DelGroup([
            DelWithGroup([]),
            DelWithGroup([]),
            DelSkip(1), DelGroup([]),
            DelSkip(1)
        ]),
        DelGroup([
            DelGroup([]),
            DelChars(1), DelSkip(10)
        ]),
        DelWithGroup([
            DelSkip(1)
        ])
    ]),
    DelGroup([
        DelChars(2), DelSkip(1), DelChars(1)
    ]),
    DelGroup([
        DelGroup([]),
        DelChars(1)
    ]),
    DelGroup([
        DelSkip(10), DelGroup([]),
        DelChars(2), DelSkip(17)
    ])
]
a_add: [
    AddGroup({"tag": "pre"}, [
        AddChars("c"), AddGroup({"client": "c", "tag": "caret"}, []),
        AddWithGroup([]),
        AddWithGroup([]),
        AddSkip(1), AddChars("v"), AddSkip(1), AddChars("w")
    ]),
    AddGroup({"tag": "p"}, [
        AddGroup({"client": "a", "tag": "caret"}, []),
        AddSkip(1), AddChars(" "), AddGroup({"tag": "caret", "client": "d"}, []),
        AddSkip(9)
    ]),
    AddWithGroup([
        AddSkip(1)
    ]),
    AddGroup({"tag": "p"}, [
        AddSkip(1), AddChars("7"), AddGroup({"tag": "caret", "client": "e"}, []),
        AddSkip(10), AddChars(" "), AddGroup({"tag": "caret", "client": "b"}, []),
        AddSkip(17)
    ])
]

b_del: [
    DelWithGroup([
        DelWithGroup([
            DelGroup([]),
            DelWithGroup([]),
            DelSkip(1)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddWithGroup([
            AddWithGroup([]),
            AddSkip(1), AddGroup({"client": "f", "tag": "caret"}, [])
        ])
    ])
]
