From Joomla! Documentation
"The Joomla! project and the legal entity Open Source Matters maintain a number of websites, including the joomla.org domain and subdomains, joomlacode.org and opensourcematters.org. We are committed to maintaining your privacy as you use these sites. To better protect your privacy we provide this notice explaining our online information practices and the choices you can make about the way your information is collected and used. To make this notice easy to find, we make it available on our homepage and at every point where personally identifiable information may be requested." 
This web site is one of a family of web sites for Joomla! and Open Source Matters. This page will only show the policies specific to the docs.joomla.org web site.
Should you choose to edit or create wiki pages at docs.joomla.org your identity is recorded and your username is viewable by those who look at the history of the pages you have worked on. Your IP address may be used to identify possible abuse and may be blocked if abuse is detected. On docs.joomla.org you can choose to allow other users to send you email. This feature can be disabled in your user profile. Wiki administrators may still use your email address to contact you if necessary. Your email address is not revealed when sending or receiving messages in this way.
- More about the Joomla! Documentation Wiki
- Wiki policy
- License|Joomla! Electronic Documentation License(JEDL)
- JEDL License FAQ