Copyleft

This work is licensed under a
Creative Commons License.

The information in this Guide to Accessible Web Design is free for your use, with the appropriate attribution to DEMOS. You are free to copy, modify and distribute it for non-commercial use under the condition that you pass along the same freedom.

Iris Manhold asserts the moral right to be identified as the author of the original version. This guide is a modified and amended version of her Web Development Guide at Jarmin.com.

We would appreciate if you let us know if you are using our material and we welcome your feedback, suggestions, and questions. Email <iris at manhold.net>

Read the summary or the full text of the license.

What does Copyleft mean?

...a copyright notice that permits unrestricted redistribution and modification, provided that all copies and derivatives retain the same permissions.

Copyright law gives exclusive rights to the owner or author of a work to copy, modify and distribute it. Copyleft revokes these exclusive rights and makes it possible for anyone to copy, change and redistribute the work.

There are some conditions, however. First of all is it good practice to credit the original creator or author to assert his or her moral right. Secondly, all copies have to be published under the same conditions. Anyone who republishes a work, with or without changes, must pass along the freedom to further copy and change it. Copyleft guarantees that every user has this freedom.

Find out more about public licences

Some articles that might help clarify the issue of the "public domain":

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Last updated: 15 January 2003
Copyleft © 2001-2003 I.Manhold