DokuWiki vs. PhpWiki vs. MediaWiki vs. ikiwiki

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

WikiWord or [somelink]
[ desc | pagename ]

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

[[internal]]

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

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

[http://example.org The title]

[link text](http://example.org)

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

!!!Headline1
!!Headline2
!Headline3

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

Two syntaxes:

# heading 1
## heading 2
### heading 3

heading 1
=========

heading 2
---------

**bold**

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

'''bold'''

**bold**
__bold__

//italics//

_italics_ or 
or
<em>italics</em>

''italic''

*emphasized*
_emphasized_

__underlined__

<u>underlined</u>

<u>underlined</u>

via HTML: <u>underlined</u>

''monospace''

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

<tt>monospace</tt>

`inline monospace`

indented block of
monospaced text

tab-indented
block

<del>strikethrough</del>

<strike>striked through</strike>

<s>strikethrough</s>

via HTML: <del>deleted</del>

<sup>superscript</sup>

<sup>above</sup>

<sup>superscript</sup>

via HTML: x<sup>2</sup>

<sub>subscript</sub>

<sub>below</sub>

<sub>subscript</sub>

via HTML: a<sub>1</sub>

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

[[Image:wiki.png]]

![alt text](internal/image)
![alt text](http://example.org/external/image)

Plugin

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

<center>Centered</center>

N/A

;: left indent
;;: more left indent

or 
paragraph
and another level 

: indented line

* item 1
* item 1.1
* item 2

* list
or
- list

* Item 1
** Item 1.2
* Item 2

* item 1
* item 2
* item 2.1
* item 2.2

- item 1
- item 1.1
- item 2

# list

# Item 1
## Item 1.2
# Item 2

1. item 1
2. item 2
1. item 1.1
42. the value doesn't matter
1. any value works

Plugin

Term:<def>
def

; term : definition

via HTML:
<dl>
<dt>term</dt>
<dd>definition</dd>
</dl>

----

----

----

---
***
___
------------------
Any number > 3
- - - - - - - - - -
spaces don't matter