
doc:   [
    DocGroup({"tag": "p"}, [
        DocChars(" 4O"), DocGroup({"client": "a", "tag": "caret"}, []),
        DocChars(" "), DocGroup({"tag": "caret", "client": "b"}, [])
    ]),
    DocGroup({"tag": "h3"}, [
        DocGroup({"client": "e", "tag": "caret"}, []),
        DocChars("4"), DocGroup({"tag": "caret", "client": "c"}, []),
        DocChars(" 1 ")
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "p"}, [
            DocChars("f"), DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars("k2 7CeRI67e71 683 m PpP7rY I 75 YdHUq2LMith you?")
        ])
    ])
]

a_del: [
    DelGroup([
        DelSkip(3), DelWithGroup([]),
        DelSkip(1), DelWithGroup([])
    ]),
    DelWithGroup([
        DelWithGroup([]),
        DelSkip(1), DelGroup([]),
        DelSkip(3)
    ]),
    DelWithGroup([])
]
a_add: [
    AddGroup({"tag": "p"}, [
        AddSkip(3)
    ]),
    AddGroup({"tag": "p"}, [
        AddWithGroup([]),
        AddSkip(1), AddWithGroup([])
    ]),
    AddWithGroup([
        AddWithGroup([]),
        AddSkip(4)
    ]),
    AddWithGroup([
        AddWithGroup([
            AddGroup({"client": "c", "tag": "caret"}, [])
        ])
    ])
]

b_del: [
    DelWithGroup([
        DelSkip(3), DelWithGroup([]),
        DelSkip(1), DelWithGroup([])
    ]),
    DelWithGroup([
        DelWithGroup([]),
        DelSkip(1), DelWithGroup([]),
        DelSkip(3)
    ]),
    DelGroup([
        DelWithGroup([
            DelSkip(1), DelGroup([])
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddSkip(3), AddWithGroup([]),
        AddSkip(1), AddWithGroup([])
    ]),
    AddWithGroup([
        AddWithGroup([]),
        AddSkip(1), AddWithGroup([]),
        AddSkip(3)
    ]),
    AddWithGroup([
        AddGroup({"client": "d", "tag": "caret"}, []),
        AddSkip(1), AddChars("6")
    ])
]
