
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h3"}, [
            DocGroup({"client": "a", "tag": "caret"}, []),
            DocChars("N7"), DocGroup({"tag": "caret", "client": "e"}, []),
            DocChars(" "), DocGroup({"tag": "caret", "client": "g"}, []),
            DocChars("4eCQu44SAXek716f"), DocGroup({"client": "c", "tag": "caret"}, []),
            DocGroup({"tag": "caret", "client": "f"}, [])
        ]),
        DocGroup({"tag": "p"}, [
            DocChars("  Q "), DocGroup({"client": "b", "tag": "caret"}, []),
            DocChars("5")
        ])
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "p"}, [
            DocChars("Q BK FR Y o5oK"), DocGroup({"tag": "caret", "client": "d"}, []),
            DocChars("P X3K  4V  5rr22lWQL woQvhat\'s up with you?")
        ])
    ])
]

a_del: [
    DelWithGroup([
        DelGroup([
            DelGroup([]),
            DelChars(2), DelSkip(21)
        ])
    ])
]
a_add: [
    AddWithGroup([
        AddGroup({"tag": "h3"}, [
            AddChars("7")
        ]),
        AddGroup({"tag": "p"}, [
            AddGroup({"client": "a", "tag": "caret"}, []),
            AddSkip(21)
        ])
    ])
]

b_del: [
    DelGroup([
        DelWithGroup([
            DelWithGroup([]),
            DelSkip(2), DelWithGroup([]),
            DelSkip(1), DelWithGroup([]),
            DelSkip(16), DelWithGroup([]),
            DelWithGroup([])
        ]),
        DelWithGroup([
            DelChars(1), DelSkip(1), DelChars(2), DelGroup([]),
            DelChars(1)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddWithGroup([]),
        AddSkip(2), AddWithGroup([]),
        AddSkip(1), AddWithGroup([]),
        AddSkip(16), AddWithGroup([]),
        AddWithGroup([])
    ]),
    AddWithGroup([
        AddGroup({"client": "b", "tag": "caret"}, []),
        AddSkip(1), AddChars(" ")
    ])
]
