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Help:Wikitext examples

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Basic text formatting

What it looks like What you type

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

3 apostrophes will bold the text.

5 apostrophes will bold and italicize the text.

(Using 4 apostrophes doesn't do anything special --
there 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 bold '''the text'''. 

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

(Using 4 apostrophes doesn't do anything
special -- <br> there 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 on one line and close it on the next.

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

Please do not start a [[Help:Link | link]] or 
''italics'' or '''bold''' on one line 
and close it on the next.

You can "sign" your comments:
- Three tildes gives your signature: DerekHansen
- Four tildes give your signature plus date/time: DerekHansen 07:46, 27 November 2005 (UTC)
- Five tildes gives the date/time alone: 07:46, 27 November 2005 (UTC)

You can "sign" your comments: <br>
- Three tildes gives your
signature: ~~~ <br>
- Four tildes give your 
signature plus date/time: ~~~~ <br>
- Five tildes gives the 
date/time alone: ~~~~~ <br>

HTML tags

You can use some HTML tags too. You should avoid HTML in favor of wiki markup whenever possible.


What it looks like What you type

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
Centered text
  • Please note the American spelling of "center".
<center>Centered text</center>
The blockquote command will indent both margins when needed instead of the left margin only as the colon does.
<blockquote>
The '''blockquote''' command will indent 
both margins when needed instead of the 
left margin only as the colon does.  
</blockquote>

Organizing your writing

What it looks like What you type
Section headings

Headings organize your writing into sections. The Wiki software can automatically generate a table of contents from them.

Subsection

Using more equals signs creates a subsection.

A smaller subsection

Don't skip levels, like from two to four equals signs.

Start with 2 equals signs not 1 because 1 creates H1 tags which should be reserved for page title.

 == Section headings ==

 ''Headings'' organize your writing into 
 sections. The Wiki software can automatically 
 generate a table of contents from them.

 === Subsection ===

 Using more equals signs creates a subsection.

 ==== A smaller subsection ====

 Don't skip levels, 
 like from two to four equals signs.

 Start with 2 equals signs not 1 
 because 1 creates H1 tags
 which should be reserved for page title.
  • Unordered lists are easy to do:
    • Start every line with a star.
      • More stars indicate a deeper level.
    Previous item continues.
    • A newline
  • in a list

marks the end of the list.

  • Of course you can start again.
* ''Unordered lists'' are easy to do:
** Start every line with a star.
*** More stars indicate a deeper level.
*: Previous item continues.
** A newline
* in a list  
marks the end of the list.
* Of course you can start again.
  1. Numbered lists are:
    1. Very organized
    2. Easy to follow

A newline marks the end of the list.

  1. New numbering starts with 1.
# ''Numbered lists'' are:
## Very organized
## Easy to follow
A newline marks the end of the list.
# New numbering starts with 1.

Here's a definition list:

Word 
Definition of the word
A longer phrase needing definition
Phrase defined
A word 
Which has a definition
Also a second one
And even a third

Begin with a semicolon. One item per line; a newline can appear before the colon, but using a space before the colon improves parsing.

Here's a ''definition list'':
; Word : Definition of the word
; A longer phrase needing definition
: Phrase defined
; A word : Which has a definition
: Also a second one
: And even a third

Begin with a semicolon. One item per line; 
a newline can appear before the colon, but 
using a space before the colon improves 
parsing.
  • You can even do mixed lists
    1. and nest them
    2. inside each other
      • or break lines
        in lists.
      definition lists
      can be
      nested 
      too
* You can even do mixed lists
*# and nest them
*# inside each other
*#* or break lines<br>in lists.
*#; definition lists
*#: can be 
*#:; nested : too
A colon (:) indents a line or paragraph.

A newline starts a new paragraph.

We use 1 colon to indent once.
We use 2 colons to indent twice.
3 colons to indent 3 times, and so on.
: A colon (:) indents a line or paragraph.
A newline starts a new paragraph. <br>
: We use 1 colon to indent once.
:: We use 2 colons to indent twice.
::: 3 colons to indent 3 times, and so on.

You can make horizontal dividing lines (----) to separate text.


But you should usually use sections instead, so that they go in the table of contents.

You can make horizontal dividing lines (----)
to separate text.
----
But you should usually use sections instead,
so that they go in the table of contents.

Links

You will often want to make clickable links to other pages.

What it looks like What you type

Here's a link to a page named Main Page. You can even say Main Pages and the link will show up correctly.

Here's a link to a page named [[Main Page]].
You can even say [[Main Page]]s
and the link will show up correctly.

You can put formatting around a link. Example: Main Page.

You can put formatting around a link.
Example: ''[[Main Page]]''.

Empty Page Example is a page that doesn't exist yet, which is why it is red. You could create it by clicking on the link.

[[Empty Page Example]] is a page that doesn't exist
yet, which is why it is red. You could create it by 
clicking on the link.

The first letter of articles is automatically capitalized, so main Page goes to the same place as Main Page. Capitalization matters after the first letter. So Empty Page Example and Empty page example are different pages, although in practice one may be a redirect to the other one.

The ''first letter'' of articles is automatically
capitalized, so [[main Page]] goes to the same place
as [[Main Page]]. Capitalization matters after the
first letter. So [[Empty Page Example]] and 
[[Empty page example]] are different pages, although 
in practice one may be a redirect to the other one.

You can link to a page section by its title:

If multiple sections have the same title, add a number. #Example section 3 goes to the third section named "Example section".

You can link to a page section by its title:

*[[Wiki Guide#What_is_a_wiki?]] or 
*[[Wiki Guide#What is a wiki?]]

If multiple sections have the same title, add
a number. [[#Example section 3]] goes to the
third section named "Example section".

You can make a link point to a different place with a piped link. Put the link target first, then the pipe character "|", then the link text.

You can make a link point to a different place
with a [[Help:Piped link|piped link]]. Put the link
target first, then the pipe character "|", then
the link text.

*[[Help:Link|About Links]]
*[[Wiki Guide#What_is_a_wiki?|What is a wiki?]]

You can make an external link just by typing a URL: http://www.medshelf.org

You can give it a title: MedShelf

Or leave the title blank: [1]

You can make an external link just by typing a URL:
http://www.medshelf.org

You can give it a title:
[http://www.medshelf.org MedShelf]

Or leave the title blank:
[http://www.medshelf.org]

Linking to an e-mail address works the same way: mailto:someone@domain.com or someone

Linking to an e-mail address works the same way:
mailto:someone@domain.com or 
[mailto:someone@domain.com someone]

You can redirect the user to another page.

 #REDIRECT [[Page You Want to Redirect to]]

Category links do not show up in line but instead at page bottom and cause the page to be listed in the category.

Add an extra colon to link to a category in line without causing the page to be listed in the category: Category:Example Category

[[Help:Category|Category links]] do not show up in line
but instead at page bottom and cause the page to be
listed in the category.
[[Category:Example Category]]

Add an extra colon to ''link'' to a category in line
without causing the page to be listed in the category:
[[:Category:Example Category]]

PMID 14713653 links to an article in the PubMed database

PMID 14713653 links to an article in the PubMed database

ISBN 1930683006 links to a page where you can select an online bookstore and be taken to their entry for the book in question.

ISBN 1930683006 links to a page where you can select
an online bookstore and be taken to their entry for
the book in question.

Just show what I typed

A few different kinds of formatting will tell the wiki to display things as you typed them.

What it looks like What you type

The nowiki tag ignores [[Wiki]] ''markup''. It reformats text by removing newlines and multiple spaces. It still interprets special characters: →

<nowiki>
The nowiki tag ignores 
[[Wiki]] ''markup''.
It reformats text by 
removing
newlines    and multiple
 spaces.
It still interprets special
characters: &rarr;
</nowiki>
The pre tag ignores [[Wiki]]
 ''markup''.
It also doesn't     reformat
 text.
It still interprets special
characters: →
<pre>
The pre tag ignores [[Wiki]]
 ''markup''.
It also doesn't     reformat
 text.
It still interprets special
characters: &rarr;
</pre>

Leading spaces are another way to preserve formatting.

Putting a space at the
beginning of each
line stops the text   
from being
reformatted.  It still 
interprets links
wikitext and special
characters: →
Leading spaces are another way
to preserve formatting.

 Putting a space at the
 beginning of each
 line stops the text   
 from being
 reformatted.  It still 
 interprets [[Help:Link|links]]
 ''wikitext'' and special
 characters: &rarr;

Images and tables

After uploading, just enter the filename, highlight it and press the "embedded image" button of the edit_toolbar.

This will produce the sytax for uploading a file (e.g., [[Image:filename.png]])

Below is a very quick introduction. For more information, see:


What it looks like What you type

A picture, including alternate text:

This Wiki's logo

You can put the image in a frame with a caption:

This Wiki's logo
A picture, including alternate text:

[[Image:Med_books.gif|This Wiki's logo]]

You can put the image in a frame with a caption:
[[Image:Med_books.gif|frame|This Wiki's logo]]

A link to the wiki's page for the image: Image:Med_books.gif

Or a link directly to the image itself: Media:Med_books.gif

A link to the wiki's page for the image:
[[:Image:Med_books.gif]]

Or a link directly to the image itself:
[[Media:Med_books.gif]]
This is
a table
{| border="1" cellspacing="0" 
cellpadding="5" align="center"
! This
! is
|- 
| a
| table
|-
|}