From Halopedia, the Halo wiki
Here's how to create a list:
There are six kinds of headers; levels 1 through 6, six being the smallest. These are transcribed using equals signs on either side of the header.
For header one, type = Header 1 =. For header two, type == Header 2 ==. And so on:
Usage: Topics and subtopics within pages.
To indent a paragraph, use the colon sign.
For a single indent, type :. For two indents, type ::. And so on:
Usage: Mostly in talk pages to reply to a specific comment.
Bulleted and numbered lists
To create a bulleted list, use the astrisk sign. To create a numbered list, use the pound sign.
For a level one bullet, type *. For a level two bullet, type **. And so on:
Use a single pound sign, #, for each number:
Usage: Mainly for listing topics or giving ideas.
You can use the break tag to force a new line when using unformated text.
Use a single break tag, <br>, to force a new line.
Usage: When you want unformated text to wrap the page in a specific way.