The main task of the website ESL.Wiki as a service is to provide the infrastructure and organizational environment for the creation and development of "English Language Wikibook" with open content on the terms of free license.
In addition to providing the environment itself and defining general ideas, the ESL.Wiki administration has a number of additional instructions and caveats. Those, before participating in the ESL.Wiki Wikibook as an editor, author, or simply someone who makes any contribution to the development of the project, please read and accept the following rules:
By clicking the "Save (page)" button, you agree to these terms of use and also consent to unrevocable publication under the CC BY-SA 4.0 license. Please note that the license permits commercial use of your contribution.
Articles or text that do not comply with the restrictions, as far as possible, will be brought to the required norm or deleted.
Remember, you are legally responsible for all your actions to add and modify material in the Wikibook. So for your own safety, you must exercise caution and avoid copying any material here that could lead to criminal or civil liability under applicable law.
ESL.Wiki accepts materials from other sources published under the terms of the "CC BY-SA", "Free Art" and "GNU FDL" (if it does not contain immutable sections) licenses , see "'CC BY-SA' and licenses compatible with it" and only if explicitly indicated on the pages of the source of information about copyright and the terms of its use.
When quoting, copying fragments of copyrighted works that do not allow free use should not exceed the allowable citation volume.
To maintain search ranking and spam cleanliness, the administration of Wikibook has introduced the following restrictions:
The administration of ESL.Wiki reserves the right to delete text or articles in the authorship or origin of which there are doubts or some ambiguities. And also - the right to delete text or an entire article that is not of interest or any value to The Wikibook.
The established restrictions are at the stage of comprehension and definition, therefore, the provisions of the rules may be changed in the future. The exception is the license "CC BY-SA", this license is irreversible, except for cases of its misuse in violation of copyright incompatible with it.
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