Licensing
BSD: you may use either BSD license.
GPL/GFDL compatible: you may use any license identified as as compatible (for use as part of a GPL/GFDL work) with the GFDL or GPL by the developers of the GFDL and GPL, respectively. Exception: you may only use Creative Commons licenses under the terms of the Creative Commons section here. If the FSF license version permits use contrary to the Creative Commons section, then I don't automatically grant a license for that GPL/GFDL version either. To the maximum extent possible here I no longer grant any "or later version" licenses for any FSF-controlled license.
Open source: you may use any license, except Creative Commons licenses, which the Open Source Initiative (OSI, currently at www.opensource.org) does now or ever has indicated is an open source license (list).
Time: 14 years from each edit you may use almost any license you like. The license may not make me liable legally for any use of the material (no requirement for me to pay fees, accept liability for your edits and so on). The license may also not strip me of my moral rights, for example by attributing the work to someone other than me.
I opted out of the proposed copyright compliance agency grant from at 02:22, 26 Jan 2004 (UTC)[1]. I recommend that everyone who wants the content to stay free (as in freedom) do the same.
While I write about law a lot, I'm not a lawyer. I've been tracking the evolution of US law relating to online communities and involved in managing them and applying copyright law in practice since about 1994. Please don't hesitate to ask me to explain why I write what I write about any legal matter.
/Controversial articles [3]
Online service provider law
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Guardian Manual of Style Blackwell Publishing on clearances and fair dealing