
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "p"}, [
            DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars("WL")
        ]),
        DocGroup({"tag": "p"}, [
            DocChars("UI  "), DocGroup({"tag": "caret", "client": "c"}, []),
            DocChars("0"), DocGroup({"tag": "caret", "client": "a"}, [])
        ])
    ]),
    DocGroup({"tag": "h3"}, [
        DocGroup({"client": "b", "tag": "caret"}, []),
        DocChars("Rh 0R RxelIltWhat\'s up with you?")
    ])
]

a_del: [
    DelGroup([
        DelWithGroup([
            DelWithGroup([]),
            DelSkip(2)
        ]),
        DelWithGroup([
            DelSkip(2), DelChars(2), DelGroup([]),
            DelSkip(1), DelGroup([])
        ])
    ]),
    DelWithGroup([
        DelGroup([])
    ])
]
a_add: [
    AddWithGroup([
        AddWithGroup([]),
        AddSkip(2)
    ]),
    AddWithGroup([
        AddChars(" "), AddGroup({"client": "b", "tag": "caret"}, []),
        AddSkip(2), AddGroup({"tag": "caret", "client": "c"}, []),
        AddChars("e "), AddSkip(1), AddChars("5"), AddGroup({"tag": "caret", "client": "a"}, [])
    ]),
    AddWithGroup([])
]

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