TracWiki vs. DokuWiki vs. MediaWiki vs. XWiki vs. ErfurtWiki vs. PhpWiki

CamelCase
[wiki:ISO9000]
[wiki:TitleIndex Title Index]

[[a Link]]
[[namespace:link]]
[[link|With a Title]]

[[a link]]
[[a link|with title]]

XWiki supports 16+ input syntaxes (e.g. confluence, twiki, docbook, mediawiki, xwiki, markdown, etc), see http://rendering.xwiki.org/xwiki/bin/view/Main/WebHome#HSupportedSyntaxes for details.

The syntax documented below is XWiki Syntax 2.1 (http://platform.xwiki.org/xwiki/bin/view/Main/XWikiSyntax).

[[wiki syntax here>>Space.Page]]
[[Space.Page]]
(Space is optional and is the current space if not specified)

WikiPage
[WikiPage | Go here]

WikiWord or [somelink]
[ desc | pagename ]

[http://www.edgewall.com/ Edgewall Software]

[[http://example.com]]
[[http://example.com|With a Title]]

[http://example.org The title]

[[wiki syntax here>>http://www.xwiki.com]]
http://www.xwiki.com

http://erfurtwiki.sf.net
[http://erfurtwiki.sf.net | Go here]
mario@wiki.net

http://someserver/someurl
[ desc | exturl ]

= Level 1 =
== Level 2 ==
=== Level 3 ===
=== Explicit id === #using-explicit-id-in-heading

====== Level 1 ======
===== Level 2 =====
==== Level 3 ====
=== Level 4 ===
== Level 5 ==

==Section==
===Subsection===
====Sub-subsection====

= Headline
== Subheadline
=== Sub-subheadline
==== etc..

!!! Big Headline
!! Medium Headline
! Section Headline

!!!Headline1
!!Headline2
!Headline3

'''bold'''

**bold**

'''bold'''

**bold**

__bold text__
**bold text**

*bold* or
<strong>bold</strong>

''italic''

//italics//

''italic''

//Italics//

''ialic text''

_italics_ or 
or
<em>italics</em>

__underline__

__underlined__

<u>underlined</u>

__underline__

optional or via css

<u>underlined</u>

{{{monospace}}}
`monospace`

''monospace''

<tt>monospace</tt>

##monospace##

==monospaced text==

<tt>monospace</tt>
<code>code</code>
<pre>preformatted</pre>
<verbatim>
unparsed text</verbatim>

~~strike-through~~

<del>strikethrough</del>

<s>strikethrough</s>

--Strike--

optional or via css

<strike>striked through</strike>

^superscript^

<sup>superscript</sup>

<sup>superscript</sup>

^^superscript^^

^^superscript text^^

<sup>above</sup>

,,subscript,,

<sub>subscript</sub>

<sub>subscript</sub>

,,subscript,,

optional or via css

<sub>below</sub>

[[Image(photo.jpg)]]                           # simplest
[[Image(photo.jpg, 120px)]]                    # with size
[[Image(photo.jpg, right)]]                    # aligned by keyword
[[Image(photo.jpg, nolink)]]                   # without link

{{local.jpg}}
{{http://foo.bar/baz.jpg}}

[[Image:wiki.png]]

image:img.png
image:Space.Page@img.png
[[image:img.png||width="25" height="25"]]
image:http://some/url/img.png

Starting with the xwiki/2.1 syntax, also:
image:icon:cancel

[link to the image.jpg]

[ http://foo.org/1.jpg size=30%] 
external image
[Upload:view.jpg align=right size=50x40] 
view uploaded image
[Upload:view.jpg | http://server/external-linkjpg ] 
view and link to another image

Plugin

<center>Centered</center>

(% style="... css here..." %)Text

optional or via css

<?plugin RawHtml <span align="right"> ?>right<?plugin RawHtml </span> ?>
or <div align="right"> right </div>

N/A

: indented line

Non-semantic text indentation through styling:

(% style="... css here..." %)multi line text

Quotes:

> This is a quoted text

just use 3 spaces or tabs
indented text

;: left indent
;;: more left indent

or 
paragraph
and another level 

* Item 1
* Item 1.1
* Item 1

* item 1
* item 1.1
* item 2

* Item 1
** Item 1.2
* Item 2

* List
** list
*** list

* Item A
* Item B
** Item B1

* list
or
- list

1. Item 1
1. Item 1.1
1. Item 1

- item 1
- item 1.1
- item 2

# Item 1
## Item 1.2
# Item 2

1. Item 1
11. Item 2
111. Item 3
1. Item 4

# Item 1
## Item 1.1
##* Item 1.1a
##* Item 1.1b

# list

term::
definition

Plugin

; term : definition

; term
: definition

:definition: explanation
:anotherdef: another description

Term:<def>
def

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