As of August 17th, 2005 the LQ Wiki allows you to use either the CC by-sa license or the GFDL. All articles in the main namespace are licensed under the CC by-sa license (which is how is has been from the beginning). All GFDL content must go in the GFDL namespace. It is important to understand the license of the content you are submitting. You should verify that you are not mixing content from two incompatible licenses. If you are submitting original content we strongly recommend you use the main namespace. If you find material in this wiki that you have the copyright for and do not approve of its presence here then please contact us formally proving prior ownership and we will address the issue immediately.
You should never enter other peoples copyrighted work into the Wiki without permission.