
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h3"}, [
            DocChars("m"), DocGroup({"client": "a", "tag": "caret"}, []),
            DocChars("6")
        ]),
        DocGroup({"tag": "h3"}, [
            DocGroup({"tag": "caret", "client": "e"}, []),
            DocChars("aV10o  2"), DocGroup({"tag": "caret", "client": "b"}, []),
            DocChars("v4s mpuFrN 86u4h7")
        ])
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "p"}, [
            DocChars("   2 a25 y")
        ])
    ]),
    DocGroup({"tag": "h1"}, [
        DocChars("wO2"), DocGroup({"client": "c", "tag": "caret"}, []),
        DocChars("k"), DocGroup({"client": "d", "tag": "caret"}, [])
    ]),
    DocGroup({"tag": "p"}, []),
    DocGroup({"tag": "p"}, [
        DocChars("F mo worldWhat\'s up with you?")
    ])
]

a_del: [
    DelWithGroup([
        DelGroup([
            DelChars(1), DelGroup([]),
            DelSkip(1)
        ])
    ])
]
a_add: [
    AddWithGroup([
        AddGroup({"tag": "h3"}, [
            AddChars("l"), AddGroup({"tag": "caret", "client": "a"}, []),
            AddChars(" W"), AddSkip(1)
        ])
    ])
]

b_del: [
    DelGroup([
        DelWithGroup([
            DelSkip(1), DelWithGroup([]),
            DelSkip(1)
        ]),
        DelWithGroup([
            DelWithGroup([]),
            DelSkip(6), DelChars(2), DelGroup([]),
            DelChars(1)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddSkip(1), AddWithGroup([]),
        AddSkip(1)
    ]),
    AddWithGroup([
        AddWithGroup([]),
        AddSkip(5), AddChars(" "), AddGroup({"client": "b", "tag": "caret"}, []),
        AddSkip(1)
    ])
]
