
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "p"}, [
            DocChars("wA"), DocGroup({"client": "b", "tag": "caret"}, []),
            DocChars("nM  EmNMr  T 44 h 8qd")
        ])
    ]),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "p"}, [
            DocChars("5 4"), DocGroup({"client": "d", "tag": "caret"}, []),
            DocChars("   V"), DocGroup({"tag": "caret", "client": "e"}, []),
            DocChars(" "), DocGroup({"client": "f", "tag": "caret"}, [])
        ]),
        DocGroup({"tag": "p"}, [
            DocGroup({"client": "a", "tag": "caret"}, []),
            DocChars(" 633M"), DocGroup({"client": "c", "tag": "caret"}, []),
            DocChars("r j  kTL6eG2 at\'s up with you?")
        ])
    ])
]

a_del: [
    DelWithGroup([
        DelGroup([
            DelChars(2), DelGroup([]),
            DelSkip(21)
        ])
    ]),
    DelGroup([
        DelWithGroup([
            DelSkip(3), DelWithGroup([]),
            DelSkip(4), DelWithGroup([]),
            DelSkip(1), DelWithGroup([])
        ]),
        DelWithGroup([
            DelGroup([]),
            DelSkip(2), DelChars(3), DelGroup([]),
            DelChars(1)
        ])
    ])
]
a_add: [
    AddWithGroup([
        AddGroup({"tag": "pre"}, [
            AddGroup({"tag": "caret", "client": "a"}, []),
            AddSkip(21)
        ])
    ]),
    AddWithGroup([
        AddGroup({"client": "c", "tag": "caret"}, []),
        AddSkip(1), AddChars(" "), AddGroup({"client": "b", "tag": "caret"}, []),
        AddSkip(2), AddWithGroup([]),
        AddSkip(4), AddWithGroup([]),
        AddSkip(1), AddChars("E"), AddWithGroup([])
    ]),
    AddWithGroup([
        AddSkip(2), AddChars("6y")
    ])
]

b_del: [
    DelWithGroup([
        DelWithGroup([
            DelSkip(2), DelWithGroup([]),
            DelSkip(21)
        ])
    ]),
    DelWithGroup([
        DelWithGroup([
            DelSkip(3), DelGroup([]),
            DelChars(1)
        ])
    ])
]
b_add: [
    AddWithGroup([
        AddWithGroup([
            AddChars("s"), AddGroup({"tag": "caret", "client": "d"}, []),
            AddSkip(2), AddWithGroup([]),
            AddSkip(21)
        ])
    ]),
    AddWithGroup([
        AddWithGroup([
            AddSkip(3), AddChars("5d")
        ])
    ])
]
