
doc:   [
    DocGroup({"tag": "h1"}, [
        DocGroup({"client": "c", "tag": "caret"}, []),
        DocGroup({"client": "f", "tag": "caret"}, []),
        DocChars("q "), DocGroup({"client": "a", "tag": "caret"}, []),
        DocChars("18"), DocGroup({"client": "b", "tag": "caret"}, []),
        DocChars("7 Csk"), DocGroup({"client": "d", "tag": "caret"}, []),
        DocChars(" llo world!")
    ]),
    DocGroup({"tag": "p"}, [
        DocGroup({"client": "e", "tag": "caret"}, []),
        DocChars("What\'s up with you?")
    ])
]

a_del: [
    DelGroup([
        DelWithGroup([]),
        DelWithGroup([]),
        DelSkip(1), DelChars(1), DelGroup([]),
        DelChars(1), DelSkip(1), DelWithGroup([]),
        DelSkip(5), DelWithGroup([]),
        DelSkip(10), DelChars(1)
    ]),
    DelGroup([
        DelWithGroup([]),
        DelSkip(19)
    ])
]
a_add: [
    AddGroup({"tag": "pre"}, [
        AddChars("p"), AddWithGroup([]),
        AddWithGroup([]),
        AddSkip(1), AddChars("V")
    ]),
    AddGroup({"tag": "bullet"}, [
        AddGroup({"tag": "h3"}, [
            AddGroup({"tag": "caret", "client": "a"}, []),
            AddChars("b "), AddSkip(1), AddWithGroup([]),
            AddSkip(5), AddWithGroup([]),
            AddSkip(10), AddChars("2"), AddWithGroup([]),
            AddSkip(19)
        ])
    ])
]

b_del: [
    DelGroup([
        DelWithGroup([]),
        DelWithGroup([]),
        DelSkip(2), DelWithGroup([]),
        DelSkip(1), DelChars(1), DelGroup([]),
        DelSkip(5), DelWithGroup([]),
        DelSkip(8), DelChars(3)
    ]),
    DelGroup([
        DelSkip(20)
    ])
]
b_add: [
    AddGroup({"tag": "bullet"}, [
        AddGroup({"tag": "h1"}, [
            AddChars("4I")
        ]),
        AddGroup({"tag": "p"}, [
            AddWithGroup([]),
            AddWithGroup([]),
            AddSkip(2), AddWithGroup([]),
            AddSkip(6), AddWithGroup([]),
            AddSkip(8)
        ])
    ]),
    AddGroup({"tag": "h3"}, [
        AddGroup({"tag": "caret", "client": "b"}, []),
        AddSkip(20)
    ])
]
