
doc:   [
    DocGroup({"tag": "h1"}, [
        DocGroup({"client": "c", "tag": "caret"}, []),
        DocGroup({"client": "d", "tag": "caret"}, []),
        DocChars("4F"), DocGroup({"tag": "caret", "client": "a"}, []),
        DocChars("m ello worl"), DocGroup({"client": "b", "tag": "caret"}, []),
        DocChars("b!at\'s up with you?")
    ])
]

a_del: [
    DelGroup([
        DelWithGroup([]),
        DelWithGroup([]),
        DelSkip(1), DelChars(1), DelGroup([]),
        DelSkip(31)
    ])
]
a_add: [
    AddGroup({"tag": "h3"}, [
        AddWithGroup([]),
        AddWithGroup([]),
        AddSkip(1)
    ]),
    AddGroup({"tag": "bullet"}, [
        AddGroup({"tag": "h1"}, [
            AddChars("  "), AddGroup({"tag": "caret", "client": "a"}, []),
            AddChars("5"), AddSkip(31)
        ])
    ])
]

b_del: [
    DelGroup([
        DelWithGroup([]),
        DelWithGroup([]),
        DelSkip(2), DelWithGroup([]),
        DelSkip(11), DelGroup([]),
        DelChars(1), DelSkip(18)
    ])
]
b_add: [
    AddGroup({"tag": "bullet"}, [
        AddGroup({"tag": "p"}, [
            AddChars("L"), AddGroup({"tag": "caret", "client": "b"}, []),
            AddChars("7"), AddWithGroup([]),
            AddWithGroup([]),
            AddSkip(1), AddChars("IAF "), AddSkip(1), AddWithGroup([]),
            AddSkip(29)
        ])
    ])
]
