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The copyright for YaCy belongs to Michael Peter Christen; Frankfurt, Germany; .
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
It is allowed to freely copy and distribute this software as long as it is mentioned in connection with a link to the Anomic home page "http://www.anomic.de", or the YaCy home page "http://www.yacy.net". You are allowed to use this software for any legal purpose, private or commercial.
You agree that Anomic/YaCy Software and the author(s) is/are not responsible for cost, loss of data or any harm that may be caused by usage of this softare or this documentation. The usage of this software is on your own risk. The installation and usage (starting/running) of this software may allow other people or application to access your computer and any attached devices and is highly dependent on the configuration of the software which must be done by the user of the software; Anomic/YaCy Software and the author(s) is/are also not responsible for proper configuration and usage of the software, even if provoked by documentation provided together with the software.
This software is provided as-is, including possible bugs, errors, misbehaviours, failures, crashes, destructive effects to your software, data or system. Users and administrators of this software use and operate it on their own risk.
Attention: YaCy is a content provider for a peer-to-peer based index sharing and distribution network. It's purpose is to provide a world-wide global search index. This application generates and distributes an index of files that passes the proxy and of files that are generated by web crawling, and crawling jobs that can be requested by other YaCy installations. If you run the application you must agree that this software distributes automatically certain information about your system and network configuration and it also distributes index files that are created from the internet content that passed your system. You must also agree that your system receives index transmissions from other peers and that your system is used by other peers to load internet content, index it and passes it again back to other peers. The author(s) of YaCy cannot guarantee that a misuse of the index passing procedure, causing harm to your system or privacy or causing illegal content or harmfull behavior to other internet servers, can be avoided; the author(s) take no responsibility for such cases; you must agree that you take complete responsibility for such case. You must agree that you take complete responsibility about the information that is stored on your system, even if this information was passed to you from other YaCy-peers without notification. You must also agree that you are responsible to protect any users of your search peer against the use of your peer to index/search for illegal content; your local law applies. You are not allowed to use this software to create or search for any information that is banned or illegal in your country. If you want to search for illegal information, you are not allowed to use this software in any way, neither using it as private installation nor using any other available YaCy search peer as source for such information.
If you like to make changes to the software, you may do it. But if you re-distribute the software you must maintain the original copyright notice including this complete license statement.