This document lists all the requirements for the topic "User Groups".

Why user groups?
Because we will have some functions that can only be used, if the user belongs to a special user group.

List of user groups

Unregistered User (short: "anonymous")

Registeres User (short: "user")

Moderator

Administrator

Functionality

an administrator can change the user group of other users (except of other administrators)
a list of moderators can be viewed by every website visitor
a list of administrators can be viewed by every website visitor

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