@Leo, I found a few days ago (maybe it's been a week or two now) that it's really easy:
1. Register as a Wiki user
To be able to add information to the Wiki, you need to register as a user:
http://docs.joomla.org/index.php?title= ... ype=signup2. Getting started - learn the basics
To learn how to use the Wiki - start by reading….
Quick cheatsheet on formatting content for the wiki -
http://en.wikipedia.org/wiki/Help:Wiki_markup3. How to add a page
There’s still a lot of documentation that we don’t have! - we’ve compiled a large list of Joomla! 1.6 documentation pages that still need created or worked on for Joomla! 1.6 users. See one you can help with? That’s simple! <then list steps below, since they will be the same>
To add a page to the Wiki ….
1 - log in with your wiki account
2 - Create a new page by ‘visiting’ the URL. If no page exists for the URL, you’ll be taken to the editor where you can start creating the page.
4. How to edit a page
To edit an existing page….
1 - log in
2 - click on the edit tab at the top of the article you want to edit. NOTE: Please fill in the comment box below the editing window for reference by other editors
The Joomla 1.6 documentation page is here:
http://docs.joomla.org/Category:Joomla!_1.65. Common Wiki tags
To learn more about using and editing the Wiki:
http://docs.joomla.org/Help:ContentsPlease read the Joomla! Editorial Style Guide (
http://help.joomla.org/files/Editorial% ... v1.0.5.pdf) and have a look at our list of Words to Watch (
http://docs.joomla.org/JDOC:W2W).
You can also check out the Wikipedia Cheat Sheet:
http://en.wikipedia.org/wiki/Wikipedia:CheatsheetHope this helps!

Kind regards,
Nick
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