The basics

Two line breaks between paragraphs. Leading spaces mean that the line

will be printed out in mono-space.

Here are a bunch of examples of what you type and what you get:

A [[link]] to the "link" wiki entry.

A link to the "link" wiki entry.

A [[My Dad|link]] to the "My Dad" wiki entry.

A link to the "My Dad" wiki entry.

A [http://wso.williams.edu link] to an external site.

A link to an external site.

==This Is A New Section==

This Is A New Section

===Sub-section===

====Sub-sub-section====

''italics'' and '''bold'''

italics and bold

<email>email@wso.williams.edu</email>

<email>email@wso.williams.edu</email> (Please use this tag, because it also hides the email address from spammers.)

# This
# is a
# numbered list
#* with an un-ordered 
#* sub-list

* This
* is a
* un-ordered list
*# with a numbered 
*# sub-list
*#* and an unordered sub-sub-list
*#** and also an unordered sub-sub-sub-list

This
is a
un-ordered list
1. with a numbered
2. sub-list
  - and an unordered sub-sub-list
    - and also an unordered sub-sub-sub-list

A table:

 {|
 ! adjective||noun
 |-
 |boring||table
 |-
 |unsortable||data
 |}

adjective	noun
boring	table
unsortable	data

You can also make a sortable table like this. Try clicking the header.

 {| class="sortable" id="pick-a-unique-id"
 ! adjective||noun
 |-
 |exciting||table
 |-
 |sortable||data
 |-
 |appropriate||JavaScript
 |}

Until something better comes along, a good help resource is Wikipedia's How to edit a page article.

If you're looking for a more comprehensive reference, try this one provided by the WikiMedia folks.