
doc:   [
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h1"}, [
            DocChars("46h"), DocGroup({"client": "a", "tag": "caret"}, []),
            DocChars("V0P")
        ]),
        DocGroup({"tag": "pre"}, [
            DocChars("8 E 758aW7s  S"), DocGroup({"client": "c", "tag": "caret"}, [])
        ])
    ]),
    DocGroup({"tag": "pre"}, [
        DocGroup({"client": "b", "tag": "caret"}, []),
        DocChars("m")
    ]),
    DocGroup({"tag": "pre"}, [
        DocChars("6mW j7 ")
    ]),
    DocGroup({"tag": "pre"}, [
        DocChars("G"), DocGroup({"tag": "caret", "client": "d"}, []),
        DocChars("3FLfll q ")
    ]),
    DocGroup({"tag": "h3"}, []),
    DocGroup({"tag": "bullet"}, [
        DocGroup({"tag": "h1"}, [
            DocChars("3I8 A")
        ]),
        DocGroup({"tag": "h3"}, [
            DocChars("4 s up with you?")
        ])
    ])
]

a_del: [
    DelWithGroup([
        DelGroup([
            DelSkip(1), DelChars(2), DelGroup([]),
            DelChars(3)
        ]),
        DelGroup([
            DelSkip(14), DelWithGroup([])
        ])
    ]),
    DelSkip(1)
]
a_add: [
    AddWithGroup([
        AddGroup({"tag": "h1"}, [
            AddSkip(1), AddChars("W"), AddSkip(14), AddWithGroup([])
        ])
    ]),
    AddWithGroup([
        AddGroup({"client": "a", "tag": "caret"}, [])
    ])
]

b_del: [
    DelWithGroup([
        DelWithGroup([
            DelSkip(3), DelWithGroup([]),
            DelSkip(3)
        ]),
        DelWithGroup([
            DelSkip(14), DelWithGroup([])
        ])
    ]),
    DelGroup([
        DelGroup([]),
        DelChars(1)
    ]),
    DelGroup([
        DelSkip(4), DelChars(3)
    ]),
    DelGroup([
        DelSkip(11)
    ])
]
b_add: [
    AddWithGroup([
        AddWithGroup([
            AddSkip(3), AddWithGroup([]),
            AddSkip(3)
        ]),
        AddWithGroup([
            AddSkip(14), AddWithGroup([])
        ])
    ]),
    AddGroup({"tag": "p"}, [
        AddChars("8  ")
    ]),
    AddGroup({"tag": "p"}, [
        AddSkip(4), AddChars(" r"), AddGroup({"tag": "caret", "client": "b"}, []),
        AddSkip(11)
    ])
]
