KeheiWiki vs. MediaWiki vs. PmWiki vs. XWiki

%topic%  ( '%' configurable )
or
<link topic>text</link>
or
use HTML in rich text editor

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

[[page name]]
[[page name | link text]]
[[link text -> page name]]
[[#anchor]]
[[#anchor|link to anchor]]
[[page name #anchor]]

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://gmail.com/
or
<extern http://gmail.com>a mail server</extern>
or
use HTML in rich text editor

[http://example.org The title]

http://....
[[http://... | link text]]
[[link text -> http://...]]

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

text  ----    
or
insert HTML via WYSIWYG editor

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

! Level 1
!!#anchor Level 2
!!! Level 3

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

_ text _ 
or
insert HTML via WYSIWYG editor

'''bold'''

'''bold'''

**bold**

* text *
or
insert HTML via WYSIWYG editor

''italic''

''italic''

//Italics//

insert HTML via WYSIWYG editor

<u>underlined</u>

{+underlined+}

__underline__

<wiki code>
stuff
</wiki code>

<tt>monospace</tt>

@@monospace@@

##monospace##

insert HTML via WYSIWYG editor

<s>strikethrough</s>

{-strikethrough-}

--Strike--

insert HTML via WYSIWYG editor

<sup>superscript</sup>

'^superscript^'

^^superscript^^

insert HTML via WYSIWYG editor

<sub>subscript</sub>

'_subscript_'

,,subscript,,

insert HTML via WYSIWYG editor

[[Image:wiki.png]]

https://foo.bar/foo.jpg
Attach:foo.jpg
Attach:foo.jpg"alt/title text" | Caption

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

<p align=right> stuff
or
insert HTML via WYSIWYG editor

<center>Centered</center>

%center% centered text
%right% right aligned
%lfloat% left floating text
%rfloat% right floating text
%rframe% right floating frame
%lframe% left floating frame

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

<ul>
stuff
</ul>
or
insert HTML via WYSIWYG editor

: indented line

-> indented text
--> more indentation
-< hanging text
--< more indentation

Non-semantic text indentation through styling:

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

Quotes:

> This is a quoted text

* text
or
<!> text
or
insert HTML via WYSIWYG editor

* Item 1
** Item 1.2
* Item 2

* Item 1
** Item 1.1
* Item 2
alternatively, indented:
* item 1
* item 1.1
* item 2

* List
** list
*** list

digits. stuff
or
insert HTML via WYSIWYG editor

# Item 1
## Item 1.2
# Item 2

# Item 1
## Item 1.1
# Item 2
alternatively, indented:
# Item 1
# Item 1.1
# Item 2

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

term:    definition
or
insert HTML via WYSIWYG editor

; term : definition

: term : definition

; term
: definition

can use plain < HR > tag or
via WYSIWYG editor

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