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You can italicize text by putting 2 apostrophes on each side.

3 apostrophes will embolden the text.

5 apostrophes will embolden and italicize the text.

(Using 4 apostrophes doesn't do anything special --
the last pair are just ' left over ones' that are included as part of the text.)

You can ''italicize text'' by putting 2 
apostrophes on each side. 

3 apostrophes will '''embolden the text'''. 

5 apostrophes will '''embolden''' and ''italicize''
'''''the text'''''.

(Using 4 apostrophes doesn't do anything
special -- <br /> the last pair are just ''''left
over ones'''' that are included as part
of the text.)

A single newline generally has no effect on the layout. These can be used to separate sentences within a paragraph. Some editors find that this aids editing and improves the diff function (used internally to compare different versions of a page).

But an empty line starts a new paragraph.

When used in a list, a newline does affect the layout (see below).

A single newline
generally has no effect on the layout.
These can be used to separate
sentences within a paragraph.
Some editors find that this aids editing
and improves the ''diff'' function
(used internally to compare
different versions of a page).

But an empty line
starts a new paragraph.

When used in a list, a newline ''does''
affect the layout ([[#lists|see below]]).

You can break lines
without a new paragraph.
Please use this sparingly.

Please do not start a link or italics or bold text on one line and end on the next.

You can break lines<br/>
without a new paragraph.<br/>
Please use this sparingly.

Please do not start a link or
''italics'' or '''bold''' text on one line
and end on the next.

- Three tildes gives your signature: Example
- Four tildes give your signature plus date/time: Example 07:46, 27 November 2005 (UTC)
- Five tildes gives the date/time alone: 07:46, 27 November 2005 (UTC)

You should "sign" your comments 
on talk pages:
- Three tildes gives your
signature: ~~~
- Four tildes give your 
signature plus date/time: ~~~~
- Five tildes gives the 
date/time alone: ~~~~~

Put text in a typewriter font. The same font is generally used for computer code.

Put text in a <tt>typewriter
font</tt>. The same font is 
generally used for <code>
computer code</code>.

Strike out or underline text, or write it in small caps.

<strike>Strike out</strike>
or <u>underline</u> text,
or write it <span style=
"font-variant:small-caps">
in small caps</span>.

Superscripts and subscripts: X², H₂O

Superscripts and subscripts:
X<sup>2</sup>, H<sub>2</sub>O

• Please note the American spelling of "center".

<center>Centered text</center>
* Please note the American spelling of "center".

The blockquote command formats block quotations, typically by surrounding them with whitespace and a slightly different font.

<blockquote>
The '''blockquote''' command ''formats'' block 
quotations, typically by surrounding them 
with whitespace and a slightly different font.
</blockquote>

Invisible comments to editors (<!-- -->) appear only while editing the page.

• If you wish to make comments to the public, you should usually use the talk page.

Invisible comments to editors (<!-- -->)
appear only while editing the page.
<!-- Note to editors: blah blah blah. -->

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