
doc:   [
    DocGroup({"tag": "p"}, [
        DocGroup({"client": "a", "tag": "caret"}, []),
        DocGroup({"tag": "caret", "client": "d"}, []),
        DocChars("0 W 0 8uLHello")
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "p"}, [
            DocChars(" j")
        ]),
        DocGroup({"tag": "p"}, [
            DocChars(" "), DocGroup({"client": "b", "tag": "caret"}, []),
            DocChars(" P"), DocGroup({"client": "e", "tag": "caret"}, [])
        ]),
        DocGroup({"tag": "p"}, [
            DocChars(" 4"), DocGroup({"tag": "caret", "client": "c"}, []),
            DocChars("C"), DocGroup({"client": "f", "tag": "caret"}, []),
            DocChars(" cWhat\'s up with you?")
        ])
    ])
]

a_del: [
    DelGroup([
        DelGroup([]),
        DelWithGroup([]),
        DelSkip(14)
    ]),
    DelGroup([
        DelWithGroup([
            DelSkip(2)
        ]),
        DelWithGroup([
            DelChars(1), DelGroup([]),
            DelSkip(2), DelWithGroup([])
        ]),
        DelGroup([
            DelChars(2), DelSkip(24)
        ])
    ])
]
a_add: [
    AddGroup({"tag": "p"}, [
        AddGroup({"client": "a", "tag": "caret"}, []),
        AddChars(" "), AddWithGroup([]),
        AddSkip(14)
    ]),
    AddWithGroup([
        AddSkip(2)
    ]),
    AddWithGroup([
        AddSkip(2), AddWithGroup([])
    ]),
    AddGroup({"tag": "p"}, [
        AddGroup({"client": "b", "tag": "caret"}, []),
        AddChars("l"), AddSkip(24)
    ])
]

b_del: [
    DelWithGroup([
        DelWithGroup([]),
        DelGroup([]),
        DelSkip(14)
    ]),
    DelWithGroup([
        DelWithGroup([])
    ])
]
b_add: [
    AddWithGroup([
        AddWithGroup([]),
        AddChars(" "), AddSkip(14)
    ]),
    AddWithGroup([
        AddWithGroup([
            AddChars("E"), AddGroup({"client": "d", "tag": "caret"}, [])
        ])
    ])
]
