
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "pre"}, [
            DocGroup({"client": "f", "tag": "caret"}, []),
            DocGroup({"client": "g", "tag": "caret"}, []),
            DocChars("K4DJ"), DocGroup({"tag": "caret", "client": "b"}, []),
            DocChars(" 1")
        ]),
        DocGroup({"tag": "h3"}, [
            DocChars("XB A"), DocGroup({"tag": "caret", "client": "c"}, []),
            DocChars("Blo "), DocGroup({"tag": "caret", "client": "e"}, []),
            DocChars("wr"), DocGroup({"client": "d", "tag": "caret"}, [])
        ])
    ]),
    DocGroup({"tag": "pre"}, [
        DocChars("   N"), DocGroup({"client": "a", "tag": "caret"}, []),
        DocChars("7 ")
    ]),
    DocGroup({"tag": "p"}, [
        DocChars("b\'s up with you?")
    ])
]

a_del: [
    DelGroup([
        DelGroup([
            DelWithGroup([]),
            DelWithGroup([]),
            DelSkip(2), DelChars(2), DelGroup([]),
            DelSkip(2)
        ]),
        DelWithGroup([
            DelSkip(3), DelChars(1), DelGroup([]),
            DelChars(1), DelSkip(3), DelGroup([]),
            DelSkip(1), DelChars(1), DelGroup([])
        ])
    ]),
    DelWithGroup([
        DelSkip(2), DelChars(2), DelGroup([]),
        DelChars(1)
    ])
]
a_add: [
    AddGroup({"tag": "pre"}, []),
    AddGroup({"tag": "pre"}, [
        AddChars("7"), AddGroup({"tag": "caret", "client": "e"}, []),
        AddWithGroup([]),
        AddWithGroup([]),
        AddSkip(1), AddGroup({"tag": "caret", "client": "b"}, []),
        AddSkip(3)
    ]),
    AddWithGroup([
        AddSkip(3), AddGroup({"client": "c", "tag": "caret"}, []),
        AddChars("C"), AddSkip(4), AddChars("i")
    ]),
    AddWithGroup([
        AddChars(" "), AddGroup({"client": "d", "tag": "caret"}, []),
        AddSkip(2), AddGroup({"tag": "caret", "client": "a"}, [])
    ])
]

b_del: [
    DelWithGroup([
        DelGroup([
            DelGroup([]),
            DelSkip(8)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddGroup({"tag": "pre"}, [
            AddChars("v"), AddGroup({"client": "f", "tag": "caret"}, []),
            AddSkip(8)
        ])
    ])
]
