Help:Editing

Please, go to
 * http://meta.wikimedia.org/wiki/Help:Editing for basic help on editing,
 * http://meta.wikimedia.org/wiki/Help:Wikitext_examples for more examples
 * http://www.mediawiki.org/wiki/Help:Contents for a full manual
 * http://www.mediawiki.org/wiki/Help:Images for help on images

For source code, there is http://www.mediawiki.org/wiki/Extension:SyntaxHighlight_GeSHi, use &lt;source&gt;...code...&lt;source&gt; as in:

to get: