TiddlyWiki vs. ikiwiki vs. WackoWiki vs. MediaWiki

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

[[internal]]

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

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

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

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

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

[http://example.org The title]

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

Two syntaxes:

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

heading 1
=========

heading 2
---------

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

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

''bold''

**bold**
__bold__

**bold**

'''bold'''

//italic//

*emphasized*
_emphasized_

//italics//

''italic''

__underline__

via HTML: <u>underlined</u>

__underline__

<u>underlined</u>

{{{monospaced}}}

`inline monospace`

indented block of
monospaced text

tab-indented
block

##monospace##

<tt>monospace</tt>

--strikethrough--

via HTML: <del>deleted</del>

--strikethrough--

<s>strikethrough</s>

^^superscript^^

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

^^superscript^^

<sup>superscript</sup>

~~subscript~~

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

,,subscript,,

<sub>subscript</sub>

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

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

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

[[Image:wiki.png]]

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

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

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

<center>Centered</center>

:indent

> quote

<<<
blockquote
<<<

one
two

: indented line

* Item 1
** Item 1.1
* Item 2

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

*one
**One-two
*two
*three

* Item 1
** Item 1.2
* Item 2

# Item 1
## Item 1.1
# Item 2

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

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

# Item 1
## Item 1.2
# Item 2

; term
: description

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

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

; term : definition

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

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