Zwiki vs. MediaWiki vs. WackoWiki vs. PhpWiki vs. Confluence

WikiName
[freeform name]
[[double-bracketed]]

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

[[InternalLink]] 
((InternalLink))
[[InternalLink alternate text]]
CamelCase

WikiWord or [somelink]
[ desc | pagename ]

[Page Title]
[Link Title|Page Title#anchor]
[~username]
[^attachment.doc]

Bare urls plus markup-specific 
link syntax. This and all 
following syntax examples depend 
on which markup mode is used for 
a page, including:

restructured text, structured 
text, wikiwikiweb, moinmoin, 
html, plaintext..

[http://example.org The title]

https://wackowiki.org
[[https://wackowiki.org WackoWiki]]
[[Wikipedia:WackoWiki]]

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

[http://www.example.com]
[Link Title|http://www.example.com]
[Shortcut Link|PageName@otherwiki]

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

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

!!!Headline1
!!Headline2
!Headline3

h1. Top Level Heading
h2. Smaller Heading
h6. Smallest Heading

'''bold'''

**bold**

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

*bold*

''italic''

//italics//

_italics_ or 
or
<em>italics</em>

_italics_

<u>underlined</u>

__underline__

<u>underlined</u>

+underline+

<tt>monospace</tt>

##monospace##

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

{{monospace}}

<s>strikethrough</s>

--strikethrough--

<strike>striked through</strike>

-strikethrough-

<sup>superscript</sup>

^^superscript^^

<sup>above</sup>

^superscript^

<sub>subscript</sub>

vvsubscriptvv

<sub>below</sub>

~subscript~

[[Image:wiki.png]]

((image.png))
file:image.png
https://example.com/image.png

[ 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

<center>Centered</center>

{html}<div align="right">{html}

%%(wacko wrapper="text" wrapper_align="center")
content%%

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

: indented line

one
two

;: left indent
;;: more left indent

or 
paragraph
and another level 

* Item 1
** Item 1.2
* Item 2

*one
**One-two
*two
*three

* list
or
- list

* one
** one-two
* two
* three

# Item 1
## Item 1.2
# Item 2

1. numbered List
1. numbered List-2
2.#8 numbered List, with break

# list

# one
## one-two
# two
# three

; term : definition

{html}<dl>
<dt>Coffee</dt>
<dd>Black hot drink</dd>
<dt>Milk</dt>
<dd>White cold drink</dd>
</dl>{html}

Term:<def>
def

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