TWiki vs. MediaWiki vs. ProntoWiki vs. XWiki

WikiWord autolink
Otherweb.WikiWord
[[Spaced text]]
[[WikiWord][label]]

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

[pagename]

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)

http://twiki.org/ autolink
[[http://twiki.org/][label]]

[http://example.org The title]

{title|url}

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

---+ Level 1
---++ Level 2
---+++ Level 3
---++++ Level 4
---+++++ Level 5
---++++++ Level 6

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

!, !!, !!!

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

*bold*

'''bold'''

**bold**

**bold**

_italic_

''italic''

''italics''

//Italics//

<u>underline</u>

<u>underlined</u>

__under__

__underline__

=monospaced text= and
<verbatim>
multi line text
</verbatim>

<tt>monospace</tt>

##monospace##

<strike>strikethrough</strike>

<s>strikethrough</s>

<<strike>> (using custom tags)

--Strike--

<sup>superscript</sup>

<sup>superscript</sup>

<<super>> (using custom tags)

^^superscript^^

<sub>subscript</sub>

<sub>subscript</sub>

<<sub>> (using custom tags)

,,subscript,,

%ATTACHURL%/image.png
http://any.domain/image.png

[[Image:wiki.png]]

{guid} - this is displayed and can be inserted automatically for each image/page

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

| left |   center   |   right |
or HTML
or CSS

<center>Centered</center>

available through custom tags

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

<blockquote>
multi line text
</blockquote>

: indented line

multiple spaces ->  

Non-semantic text indentation through styling:

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

Quotes:

> This is a quoted text

* Item 1
* Item 1.1
* Item 2

* Item 1
** Item 1.2
* Item 2

+
++
+++
++++

* List
** list
*** list

1. Item 1
a. Item 1.a
1. Item 2

# Item 1
## Item 1.2
# Item 2

#
##
###
####

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

$ Term: Definition

; term : definition

; term
: definition

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