Wikimedia cheatsheet - markup language

Here is the English version.

Wiki code	Result
''italic''	italic
'''bold'''	bold
== Section == === Subsection === ==== Subsubsection ====	structures the document and adds headings
[[Link to another page]]	links to another page on Wikipedia
[[Link to page A|text B]]	adds a text B linking to page A
* automatic * bullet * list	automatic bullet list
# automatic # numbered # list	automatic numbered list
[[File:Example.jpg|thumb|Caption]]	displays the Example.jpg file (image) in the page with a caption
{{Example}}	includes the template "Example"
[[Category:Example]]	adds the page to the category "example"
<ref>John Doe, title, date</ref>	adds a note or a reference in the text
<references />	displays all added references at the end of the page
[http://www.example.org Description of the link]	adds an external link to another website www.example.org
[[fr:Cuisine]]	adds an interwiki link to the article Cuisine on fr.wikipedia.org (Wikipedia in French)
~~~~	adds your signature with a timestamp
== Discussion == Message. ~~~~ :First response to the message. ~~~~ ::Response to the response ~~~~ :Second response to the message ~~~~	Indentation for discussions

The others can be found here: http://meta.wikimedia.org/wiki/WMDOC/Cheatsheet