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


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:
  1. MSSL
  2. NAOJ
  3. NRL

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