KeheiWiki vs. MoinMoin vs. Oddmuse vs. PhpWiki vs. TiddlyWiki vs. Zim

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

CamelCaseLink or [[free link]]

[[target|label|params]]

optional, default on:
[[page name]]

optional, default off:
PageName
[PageName] → [1]
[[[page name]]] → [1]
[PageName text] → text
[[page name|text]] → text

Depending on plugins:
[text](page) → text

WikiWord or [somelink]
[ desc | pagename ]

WikiWord (CamelCase)
[[link]]
[[label|link]]

CamelCase [[foobar:subpage]] +subpage 

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

http://google.de/ or
[[http://google.de/ | Google]] or
file://///server/share/file

http://example.com/
[http://example.com/] → [1]

optional, default on:
[http://example.com/ text] → text

Depending on plugins:
[text](http://example.com/) → text

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

http://www.example.com
[[label|http://www.example.com]]

wp?Wiki_Engine http://wikimatrix.org 
ftp://somehost/share
\\host\share\..

text  ----    
or
insert HTML via WYSIWYG editor

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

Depending on plugins:
## two
### three
== two ==
=== three ==

section
=======

subsection
----------

!!!Headline1
!!Headline2
!Headline3

! Level 1
!! Level 2
!!! Level 3
!!!! Level 4
!!!!! Level 5

=== Heading ===

_ text _ 
or
insert HTML via WYSIWYG editor

'''bold'''
'''strong emphasised'''

Depending on plugins:
*bold*
**bold*
'''bold'''

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

''bold''

**bold**

* text *
or
insert HTML via WYSIWYG editor

''italic''
''emphasised''

Depending on plugins:
*italic*
/italic/
//italic//
''italic''

_italics_ or 
or
<em>italics</em>

//italic//

//italic//

insert HTML via WYSIWYG editor

__underline__

Depending on plugins:
_underline_
__underline__

<u>underlined</u>

__underline__

__underline__

<wiki code>
stuff
</wiki code>

`monospaced`

Depending on plugins:
`mono`
##mono##
[code]mono[/code]
<tt>mono</tt>
<code>mono</code>

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

{{{monospaced}}}

``monospace``

insert HTML via WYSIWYG editor

--(strikethrough)--

via bbCode plugin:
[s]strike through[/s]

<strike>striked through</strike>

--strikethrough--

~~strike~~

insert HTML via WYSIWYG editor

^superscript^

via bbCode plugin:
[sup]superscript[/sup]

<sup>above</sup>

^^superscript^^

^{sup}

insert HTML via WYSIWYG editor

,,subscript,,

via bbCode plugin:
[sub]subscript[/sub]

<sub>below</sub>

~~subscript~~

_{sub}

insert HTML via WYSIWYG editor

{{http://foo.bar/foo.jpg}}
{{attachment:foo.jpg | alt text}}
{{target|alt|params}}

http://example.com/pic.jpg

Depending on plugins:
[[image:Name|Text|URL]] and variants
![text](URL)

[ 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

[img[local.jpg]]
[img[http://foo.bar/foo.jpg]]

{{./image.png}}

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

only in tables:
||<(> left ||<:> middle ||<)> right ||

no example known

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

using custom classes, e.g.
{{right{
text
}}}

not implemented

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

indented text

Depending on plugins:
> text

[quote]
text
[/quote]

: one
:: two

;: left indent
;;: more left indent

or 
paragraph
and another level 

:indent

> quote

<<<
blockquote
<<<

indent with tabs

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

* Item 1
* Item 1.1
* Item 2

* one
** two

* list
or
- list

* Item 1
** Item 1.1
* Item 2

* List item
* sub items
* with indent

digits. stuff
or
insert HTML via WYSIWYG editor

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

Depending on plugins:
1. one
2. two

# one
## two

# list

# Item 1
## Item 1.1
# Item 2

1. List item
a. with sub items
b. ...

term:    definition
or
insert HTML via WYSIWYG editor

term:: definition

Depending on plugins:
; term: definition

Term:<def>
def

; term
: description

not implemented

can use plain < HR > tag or
via WYSIWYG editor

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Depending on plugins:
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not implemented