
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "p"}, [
            DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars("J "), DocGroup({"client": "e", "tag": "caret"}, []),
            DocChars("D"), DocGroup({"client": "f", "tag": "caret"}, []),
            DocChars("4 l")
        ]),
        DocGroup({"tag": "p"}, [
            DocChars("aP"), DocGroup({"client": "c", "tag": "caret"}, []),
            DocChars("lo wori5"), DocGroup({"client": "b", "tag": "caret"}, []),
            DocGroup({"client": "a", "tag": "caret"}, []),
            DocChars("hat\'s up with you?")
        ])
    ])
]

a_del: [
    DelGroup([
        DelWithGroup([
            DelWithGroup([]),
            DelSkip(2), DelWithGroup([]),
            DelSkip(1), DelWithGroup([]),
            DelSkip(3)
        ]),
        DelWithGroup([
            DelSkip(2), DelGroup([]),
            DelSkip(3), DelChars(2), DelSkip(1), DelChars(2), DelGroup([]),
            DelGroup([])
        ])
    ])
]
a_add: [
    AddWithGroup([
        AddGroup({"client": "c", "tag": "caret"}, []),
        AddWithGroup([]),
        AddSkip(2), AddWithGroup([]),
        AddSkip(1), AddWithGroup([]),
        AddSkip(3)
    ]),
    AddWithGroup([
        AddSkip(6), AddGroup({"client": "b", "tag": "caret"}, []),
        AddChars("37"), AddGroup({"client": "a", "tag": "caret"}, []),
        AddChars("T")
    ])
]

b_del: [
    DelWithGroup([
        DelGroup([
            DelGroup([]),
            DelSkip(8)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddGroup({"tag": "p"}, []),
        AddGroup({"tag": "p"}, [
            AddGroup({"client": "d", "tag": "caret"}, []),
            AddSkip(8)
        ])
    ])
]
