//server only
content:{
    ":num":{
        ["image",
        "video",
        "ehtml",
        "rpgvx"...]:{
            ":page",
            "thumbnail",
        }
    }
}
diff:{
    itemNum
    diff
    count
    commit
}
user:{
    login
}

//clientside

doc:{
    ":num":{
        "reader"
    }
};
login;
profile;
search?querystring...;