Horizontal ruler:\\
{{{----}}}
gives you:
----


Paragraphs are delimitted by a blank line.
{{{This is Paragraph 1

This is Paragraph 2
}}}
gives you:

This is Paragraph 1

This is Paragraph 2

----

Forced Line Break: 
{{{This is first line,\\this is second line!}}}

gives you:

This is first line,\\this is second line!

----

Hyperlinks
{{{[~Main] , [http://www.mssl.ucl.ac.uk], [~GeneralEditSkills#~]}}}
gives you:

[~Main] , [http://www.mssl.ucl.ac.uk], [~GeneralEditSkills#~]

----
Text with a hyperlink
{{{[MSSL Homepage|http://www.mssl.ucl.ac.uk]}}}
gives you:

[MSSL Homepage|http://www.mssl.ucl.ac.uk]

----
Section headers: have ! in the first column:
{{{!small
!!medium
!!!large}}}
gives you:

!small
!!medium
!!!large

----

Bulleted lists have * in the first column:\\
(Use more ** for deeper indentations)
{{{
* Item one
** Item two
* Item three}}}
gives you:

* Item one
** Item two
* Item three

----
Numbered lists have #, ## etc.\\
(You can mix * and # too.)
{{{
# MSSL
# NAOJ
# NRL}}}
gives you:

# MSSL
# NAOJ
# NRL
----
{{ monospaced text with wiki markup }}
Use triple {‘s to open, and triple }‘s to close code blocks, wiki markup is not rendered