
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h2"}, [
            DocChars("8 1"), DocGroup({"tag": "caret", "client": "d"}, []),
            DocChars("uc"), DocGroup({"client": "b", "tag": "caret"}, []),
            DocChars(" "), DocGroup({"tag": "caret", "client": "f"}, [])
        ]),
        DocGroup({"tag": "h2"}, [
            DocGroup({"client": "e", "tag": "caret"}, []),
            DocChars("A4 3"), DocGroup({"client": "c", "tag": "caret"}, []),
            DocChars("3 32T4F lH6K"), DocGroup({"client": "a", "tag": "caret"}, []),
            DocGroup({"client": "g", "tag": "caret"}, []),
            DocChars("i1")
        ]),
        DocGroup({"tag": "h2"}, [
            DocChars("  ")
        ])
    ]),
    DocGroup({"tag": "h2"}, [
        DocChars("Kq1pWhat\'s up with you?")
    ])
]

a_del: [
    DelGroup([
        DelGroup([
            DelSkip(3), DelWithGroup([]),
            DelSkip(2), DelGroup([]),
            DelChars(1), DelWithGroup([])
        ]),
        DelWithGroup([
            DelWithGroup([]),
            DelSkip(1), DelChars(3), DelGroup([]),
            DelChars(1), DelSkip(10), DelChars(1), DelGroup([])
        ]),
        DelSkip(1)
    ])
]
a_add: [
    AddGroup({"tag": "pre"}, [
        AddSkip(1), AddGroup({"tag": "caret", "client": "c"}, []),
        AddSkip(2), AddWithGroup([]),
        AddSkip(2), AddChars("dL"), AddGroup({"client": "b", "tag": "caret"}, []),
        AddWithGroup([])
    ]),
    AddWithGroup([
        AddWithGroup([]),
        AddSkip(10), AddGroup({"tag": "caret", "client": "a"}, []),
        AddSkip(1)
    ]),
    AddSkip(1)
]

b_del: [
    DelWithGroup([
        DelWithGroup([
            DelChars(3), DelGroup([]),
            DelChars(2)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddWithGroup([
            AddChars("nS"), AddGroup({"client": "d", "tag": "caret"}, [])
        ])
    ])
]
