Help:Editing: Difference between revisions

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Merging this with [[Help:Editing]] some time soon.
{{Hatnote|After reading this page, please see our rules on the [[OniGalore:Policy]] page.}}
==Editing==
We won't be giving a detailed course on MediaWiki markup here; just a few basic "how to"s, "do"s and "don't"s that will mostly get you by, when it comes to our wiki. For more details, see the section "[[#Further help|Further help]]" below. Wikimedia's general [[metawikimedia:Help:Contents|Help]] is also available in [[wp:it:Aiuto:Aiuto|Italian]] and [[wp:ru:Википедия:Справка|Russian]], as well as many other languages. That is where you'll find the most detailed info on the MediaWiki software.
We won't be giving a detailed course on MediaWiki markup here : just a few basic "how to"s, "do"s and "don't"s.


For generalities on how to use a MediaWiki-powered wiki, you're encouraged to have a look [http://meta.wikimedia.org/wiki/Help:Help HERE]
==Text formatting==
===Common formatting===
The most common way to emphasize or set apart some text in a line is to use apostrophes to create italicized and bold text:<br />
<code><nowiki>''Using two''</nowiki></code> will give you ''italics''.<br />
<code><nowiki>'''Using three'''</nowiki></code> will give you '''bold'''.


(also available in [http://meta.wikimedia.org/wiki/Aiuto:Aiuto Italian] and [http://meta.wikimedia.org/wiki/Помощь:Помощь Russian], as well as Greek and French and Slovenian).
Underlining text is not as convenient; it requires you to fall back to raw HTML markup:<br />
<code><nowiki><u>Here's the underline tag</u></nowiki></code> gives you <u>Here's the underline tag</u>.


Finally, although we have not been in the habit of using it on OniGalore, you can highlight text with the mark tag:<br />
<code><nowiki><mark>Pay attention</mark></nowiki></code> yields <mark>Pay attention</mark>.


----
===Monospace and unformatted text===
----
This line actually starts with a " " character. It is rendered in a box, with a fixed-size font.
==Linking==
Basically, there are two types of links: 1) Links that call pages/files from outside 2) and links that call wiki-own pages/files. Do you see the structure in 2b ? '''<nowiki>[[ | ]]</nowiki>'''


Do this for several lines to set apart a whole block of text (e.g., programming code).
The previous line is only empty in the rendered box; if you edit this page, you'll see the " " character in the wiki markup.


(1) Write following to get an ''outgoing'' link which is fixed to some text
You can still put text in ''italics'', '''bold''', or '''''bold italics'''''.
'''['''<nowiki>http://oni.bungie.org/community/forum/ here is our forum</nowiki>''']'''
However, leading "*", "#", ":" and ";" won't work :
The result is this: ''[http://oni.bungie.org/community/forum/ here is our forum]''
*bla
#bla
;bla
:bla


:For regular indentation (like this line), you should start the line with ":" as shown below.
There are several other options, the <nowiki><pre></nowiki>, <nowiki><tt></nowiki>, <nowiki><code></nowiki>, and <nowiki><nowiki></nowiki> tags, which will not be discussed in-depth here, but play around with them to see how they behave slightly differently from each other.
==Line formatting==
Everyone likes lists. Below are four methods for listing items.
'''Normal newlines'''<br />
A quirk of wiki markup is that two consecutive lines will be displayed as one line. In other words, a single newline is ignored. This actually goes back to the fact that wiki markup is based on HTML, which behaves the same way. Instead of hitting Return once to start a new line, you need to hit it twice. Alternately, you can force a linebreak at any time with the <nowiki><br /></nowiki> tag.
'''Numbered lists'''<br />
#This line actually begins with a "#" character.
##This line actually begins with two "#" characters.
##So does this one.
#Here's the next single-"#" line.
'''Bulleted lists'''<br />
*This line actually begins with a "*" character.
**This line begins with two "*" characters.
'''Indented paragraphs'''<br />
:This line begins with a ":" character. The whole paragraph will wrap around using this indentation.
:When starting a second indented line, you don't need to put an extra newline after the previous line like you normally would.
::The more ":"s you put at the start of the line, the more indentation you get.
'''Titled paragraphs'''<br />
;This line starts with a ";"
:Starting the next line with a ":" creates the impression of a paragraph under a title, useful for typesetting word definitions, dialogue lines, etc.
==Links==
Basically, there are thee types of links: (1) links to external pages and files, (2) intrawiki links to other pages on the wiki, and (3) interwiki links.
===External links===
(1a) Write the following to get some text acting as an ''outgoing'' hyperlink.
'''['''<nowiki>http://oni.bungie.org/forum/ here is our forum</nowiki>''']'''
The result is: [http://oni.bungie.org/forum/ here is our forum]
(1b) If you omit the label text, the result will be different:
Here '''['''<nowiki>http://oni.bungie.org/forum/</nowiki>''']''' is our forum
The result is: here [http://oni.bungie.org/forum/] is our forum. However, this is not part of our usual style on this wiki. You should always label your links.
(1c) You can also write URLs without any markup. Like this:
:Here is our forum: http://oni.bungie.org/forum/
Note that external images will appear inline if you use their bare URL like this.
===Intrawiki links===
(2a) Write the following to get an ''intrawiki'' link to one of our own pages:
<nowiki>[[Quotes/Consoles#STURMANDERUNG_:_Final_Stage]]</nowiki>


(2a) Write following to get an ''interwiki'' link
'''[['''<nowiki>Quotes/Consoles#STURMANDERUNG_:_Final_Stage</nowiki>''']]'''
The result is this: [[Quotes/Consoles#STURMANDERUNG_:_Final_Stage]]
The result is this: [[Quotes/Consoles#STURMANDERUNG_:_Final_Stage]]


(2b) Write following to get an ''intrawiki'' link which is labeled with some text:


(2b) Write following to get an ''interwiki'' link which is fixed to some text
<nowiki>[[OniSplit#Download_links|You can download OniSplit here]]</nowiki>
'''[['''<nowiki>OniSplit#Download_links</nowiki>'''|'''<nowiki>here you can download onisplit</nowiki>''']]'''
The result is this: [[OniSplit#Download_links|here you can download onisplit]]


This kind of link (2a/2b) always spares you to write '''<nowiki>http://wiki.oni2.net/</nowiki>'''<font style="color:#777">OniSplit#Download_links</font>
The result is this: [[OniSplit#Download_links|You can download OniSplit here]]


This kind of link (2a/2b) spares you from writing '''<nowiki>http://wiki.oni2.net/</nowiki>OniSplit#Download_links'''


----
====Anchor template====
----
If you want to link to something that isn't a section, use the [[Template:Anchor|<nowiki>{{Template:Anchor}}</nowiki>]].
==Recommended==
===Signature===
A triple tilde ("<nowiki>~~~</nowiki>") anywhere in a page you edit will be replaced by your user name (or your IP if you're not logged in).
;Like this:[[User:Geyser|geyser]]
Note that this signature is not just a user's name, but a hyperlink to the user's page in the User namespace (every registered user gets one).
;If you were to insert such a link by hand, you'd type:<nowiki>[[User:geyser|geyser]]</nowiki>


It doesn't make much sense to sign all your contributions, e.g., minor edits or stricly informative content
<nowiki>{{Anchor|your_anchor}}</nowiki>
:(every change is logged along with its author anyway, so if we ''really'' need to track you down, we will ^^ ).
You're encouraged to sign ''personal'' contributions, especially comments you make on a talk (or "discussion") page.
:(obviously, for your signature to bear your name rather than your IP, you're invited to log in before you edit and sign)
:(you can always sign by hand, even if you're not logged in, of course; like, I can type "geyser" instead of "<nowiki>~~~</nowiki>"))


A quadruple tilde ("<nowiki>~~~~</nowiki>") displays your user name (or IP) (with a link to the User page) ''and'' a date/time stamp.
With this you can get an ordinary "page#your_anchor" URL.
===Preview===
Use the "Show preview" button ''as much as possible'' before submitting. Sure, even experienced and good-willing users (like [[User:geyser|me]]) make a few edits in a row sometimes (because they think a page is done and submit it, and ''then'' go through it again and spot a typo or something), but that's nothing compared to the dozens of edits made by someone who's totally oblivious of the preview feature.
===Templates and transclusion===
More, later. Transclusion may be a bit tricky to figure out at first, but it's well worth it.
===Uploaded files===
There is no such thing as folders (just "Categories"), so keep in mind all the images go into ''one big folder''. Also, an image can't be renamed or moved in the same way a regular page can.


Therefore, please give your images the most explicit, unique, unambiguous name you can think of.
====Preview content on link hover====
;Like:[[:Image:GUIDO Hikari closeup.jpg|GUIDO Hikari closeup.jpg]]
For this to work you need some unformatted or simple formatted text '''before''' the first section <nowiki>(==section==)</nowiki>. Previewing of images is possible but not documented. (See chapter previews.)
;NOT like:[[:Image:August4_2006.jpg|August4_2006.jpg]]
^^


Similarly, you can use the H template to show some shortened custom text.
<nowiki>[[link|{{H|hover text|normal text}}]]</nowiki>


----
===Interwiki links===
----
You can link to pages on [[wikt:Wiktionary:Main_Page|Wiktionary]], the [[wp:Main_Page|English Wikipedia]] and [[metawikimedia:Main_Page|Meta-Wiki]] as if they were pages of our own wiki, using the shortcuts '''<nowiki>wiktionary:</nowiki>''', '''<nowiki>wikipedia:</nowiki>''' and '''<nowiki>metawikimedia:</nowiki>'''. When you make an interwiki link, the outbound link icon changes from an upward arrow to a sideward arrow to show that you are linking to a fellow wiki, not some random web site.
==Various tips==
===Line formatting===
====Numbered lists====
#This line actually begins with a "#" character
##This line actually begins with two "#" characters
###This line actually begins with three "#" characters
###This line actually begins with three "#" characters
##This line actually begins with two "#" characters
#This line actually begins with a "#" character
====Bulleted lists====
*This line actually begins with a "*" character
**This line actually begins with two "*" characters
***This line actually begins with three "*" characters
**This line actually begins with two "*" characters
*This line actually begins with a "*" character
====Indented paragraphs====
:This line actually begins with a ":" character. The whole paragraph will wrap around indented; it all has to be on the same line, though.
:To start a new paragraph indented the same way, just start another line with a ":"<br>You can also use the <nowiki><br></nowiki> tag to start a new line.
::Put "::" at the start of the line to indent more.
:::Put ":::" at the start of the line to indent even more.
(actually, it's a lot like tabulation)
====Definitions (titled paragraphs)====
;This line starts with a ";"
;This one too, but:it switched to indented text when it encountered a ":" (have a look at the markup).
This allows one to typeset definitions, dialogue lines etc rather easily. You can also use it as a quick way to put a line in bold.
*the advantage of the leading ";" is that you don't have to bother about the extra new line before the bold-faced line
*the drawback is that the line can't contain a ":" unless you escape it (e.g. with the <nowiki><nowiki></nowiki> tag).
;Like this <nowiki>: ":"</nowiki>


"Definitions" can occur within an already indented paragraph :
An example of using an interwiki prefix would be '''<nowiki>[[wikipedia:Test]]</nowiki>''', which produces [[wikipedia:Test]] (you can supply alternate text using the syntax '''<nowiki>[[wikipedia:Test|Test]]</nowiki>''' to get rid of that pesky prefix in the final markup: [[wikipedia:Test|Test]]). These prefixes accept language codes, so you could use the markup '''<nowiki>[[wikipedia:de:Test|Test]]</nowiki>''' to link to the German article [[wikipedia:de:Test|Test]] (the URL will appear wrong, but Wikipedia knows what it means).
:bla
::bla
::;BLA:bla
::bla
:bla
Custom indentation only works flawlessly when you use nothing but ":"; the ";" is a bit limited.
===Unformatted ASCII===
This line actually starts with a " " character. It is rendered in a box, with a fixed-size font.


Do this for several lines to set apart a whole block of text (e.g., programming code).
All of the Wikimedia Foundation's projects have prefixes available for linking to them. Also note that we have handy shortcuts for the two most-used prefixes; '''wikipedia:''' can be shortened to '''wp:''' and '''wiktionary:''' can be shortened to '''wikt:'''. The complete list of currently supported interwiki links can be obtained by clicking [https://wiki.oni2.net/w/api.php?action=query&meta=siteinfo&siprop=interwikimap here].
The previous line is only empty in the rendered box; in the markup, there's a " " character.
    This one begins with 5 leading spaces in the markup; only 4 are there when rendered.
You can still put text in ''italics'', '''bold''', or '''''bold italics'''''.
However, leading "*", "#", ":" and ";" won't work :
*bla
#bla
;bla
:bla
Bottom line : be careful when you use leading spaces in your text : is that ''really'' what you want?
:For regular indentation (like this line), prefer ":".
===Smileys===
Because of the line formatting, one should be careful with putting smileys on a new line. The following are examples of smileys that work fine :


^_^
Looking at the list, you'll see that some prefixes are not actually for other wikis, but general web shortcuts; '''google:''' produces a Google search query for the provided search term, and '''cache:''' produces a Google page cache query for the provided URL.


^^
==Images and categories==
To place an image, you type its name inside of double brackets, preceded by "Image:", e.g. <code><nowiki>[[Image:TXMPPOSTER3.png]]</nowiki></code>. This markup will be replaced by the named image. If you only want to link to the page of an image, you type <code><nowiki>[[:Image:TXMPPOSTER3.png]]</nowiki></code> to get [[:Image:TXMPPOSTER3.png]].


=)
Categories work the same way. Every page on the wiki should be placed into at least one category using this kind of markup at the end of the page: <code><nowiki>[[Category:Policies and documentation]]</nowiki></code>. This will cause the name of the category to appear at the bottom of the page. However, if you only want to link to a category page, not place the current page into that category, you use the same technique as linking to an image page: <code><nowiki>[[:Category:Policies and documentation]]</nowiki></code> gives you [[:Category:Policies and documentation]]. To see what categories are available, you can look at the [[Site Map]].


%)
==Templates and transclusion==
Text can be "transcluded" from one place on the wiki to another using <nowiki>{{this markup}}</nowiki>. Transclusion means that whenever the original text is updated, so is the text inserted in place of the page link enclosed in double-braces.  Transclusion is most commonly used in order to place templates on a page.  Here's [[:Category:Templates|a list of templates]].  Pick one, and then click on "What links here" once you're on the template page.  You should see a list of pages, each one probably followed by "(transclusion)".  Look at the wiki code for those pages to see how the template's text or markup was placed into the page.


":)", ":-)" and ";)", however, won't work on a new line. Neither will " :)", " :-)" and " ;)" (same as the first three, with a leading space).
Templates are not a special kind of wiki page; they're simply a term that we use to refer to pages that are meant to be transcluded. Templates usually provide a standardized format for something like a [[:Template:Chapters|table]], or else they supply a standard [[:Template:Cleanup|header]] or [[:Template:OBD_File_Footer|footer]]. You should familiarize yourself with the templates if you plan to do a decent amount of editing; they are not only time-savers, they also help editors make their edits fit in with OniGalore standards, and make it easier to change large amounts of wiki text at once.
:(well, actually the latter three ''will'' display the smiley you wanted, but set apart as unformatted ASCII (see above))
One solution is to avoid such smilies altogether. You can also use these (add three leading single quotes "'''") :


''':)
==Further help==
Here's some more comprehensive help, straight from the source.


''':-)
;Reading
:[[metawikimedia:Help:Go button|Go]] | [[metawikimedia:Help:Searching|Search]] | [[metawikimedia:Help:URL|URL]] | [[mw:Help:Namespaces|Namespace]] | [[metawikimedia:Help:Page name|Page name]] | [[metawikimedia:Help:Section|Section]] | [[mw:Help:What links here|Backlinks]]
:[[metawikimedia:Help:Link|Link]] | [[metawikimedia:Help:Piped link|Piped link]] | [[metawikimedia:Help:Interwiki linking on Wikimedia wikis|Interwiki link]] | [[metawikimedia:Redirects|Redirect]] | [[mw:Help:Categories|Category]] | [[metawikimedia:Help:Image page|Image page]]
;Logging in and preferences
:[[metawikimedia:Help:Logging in|Logging in]] | [[mw:Help:Preferences|Preferences]] | [[metawikimedia:Help:User style|User style]]
;[[mw:Help:Editing pages|Editing]]
:[[metawikimedia:Help:Advanced editing|Advanced editing]] | [[metawikimedia:Help:Editing FAQ|Editing FAQ]] | [[mw:Editor|Edit toolbar]] | [[mw:Help:Export|Export]] | [[metawikimedia:Help:Import|Import]] | [[metawikimedia:Help:Automatic conversion of wikitext|Shortcuts]]
;[[mw:Help:Tracking changes|Tracking changes]]
:[[metawikimedia:Help:Recent changes|Recent changes]] <small>([[mw:Help:New filters for edit review|enhanced]])</small> | [[mw:Help:Related changes|Related changes]] | [[mw:Help:Watching pages|Watching pages]] | [[mw:Help:Diff|Diff]]
:[[metawikimedia:Help:Page history|Page history]] | [[metawikimedia:Help:Edit summary|Edit summary]] | [[mw:Help:User contributions|User contributions]] | [[metawikimedia:Help:Minor edit|Minor edit]] | [[mw:Help:Patrolled edits|Patrolled edit]]
;Style & formatting
:[[metawikimedia:Help:Wikitext examples|Wikitext examples]] | [[metawikimedia:Help:Reference card|Reference card]] | [[mw:Help:HTML in wikitext|HTML in wikitext]] | [[mw:Help:Lists|List]] | [[mw:Help:Tables|Table]] | [[metawikimedia:Help:Sorting|Sorting]] | [[metawikimedia:Help:Text_color|Colors]]
;Special input and output
:[[mw:Extension:InputBox|InputBox]] | [[metawikimedia:Help:Special characters|Special characters]] | [[metawikimedia:Help:Displaying a formula|Displaying a formula]] | [[mw:Help:Images|Images<small> (uploads)</small>]] | [[mw:Extension:EasyTimeline/syntax|EasyTimeline]]
;Advanced functioning
:[[metawikimedia:Help:Template|Template]] | [[metawikimedia:Help:Advanced templates|Advanced templates]] | [[metawikimedia:Help:Parameter default|Parameter default]] | [[mw:Help:Magic_words|Magic word]]
:[[mw:Help:Extension:ParserFunctions|ParserFunctions]] | [[mw:Help:Substitution|Substitution]] | [[metawikimedia:Help:Array|Array]] | [[metawikimedia:Help:Calculation|Calculation]] | [[mw:Help:System message|System message]]
;Page management
:[[mw:Help:Starting a new page|Starting a new page]] | [[metawikimedia:Help:Moving a page|Renaming (moving) a page]] | [[mw:Manual:Administrators#Protection|Protecting pages]] | [[mw:Help:History#Deleting a page|Deleting a page]]
;[[metawikimedia:Help:Special page|Special pages]]
:[[metawikimedia:Help:Talk page|Talk page]] | [[Test|OniGalore Sandbox page]]


''';)


Or these (add a leading colon and space ": ")
[[Category:Policies and documentation]]
: :)
: :-)
: ;)

Latest revision as of 19:32, 16 September 2024

After reading this page, please see our rules on the OniGalore:Policy page.

We won't be giving a detailed course on MediaWiki markup here; just a few basic "how to"s, "do"s and "don't"s that will mostly get you by, when it comes to our wiki. For more details, see the section "Further help" below. Wikimedia's general Help is also available in Italian and Russian, as well as many other languages. That is where you'll find the most detailed info on the MediaWiki software.

Text formatting

Common formatting

The most common way to emphasize or set apart some text in a line is to use apostrophes to create italicized and bold text:
''Using two'' will give you italics.
'''Using three''' will give you bold.

Underlining text is not as convenient; it requires you to fall back to raw HTML markup:
<u>Here's the underline tag</u> gives you Here's the underline tag.

Finally, although we have not been in the habit of using it on OniGalore, you can highlight text with the mark tag:
<mark>Pay attention</mark> yields Pay attention.

Monospace and unformatted text

This line actually starts with a " " character. It is rendered in a box, with a fixed-size font.
Do this for several lines to set apart a whole block of text (e.g., programming code).

The previous line is only empty in the rendered box; if you edit this page, you'll see the " " character in the wiki markup.
You can still put text in italics, bold, or bold italics.
However, leading "*", "#", ":" and ";" won't work :
*bla
#bla
;bla
:bla
For regular indentation (like this line), you should start the line with ":" as shown below.

There are several other options, the <pre>, <tt>, <code>, and <nowiki> tags, which will not be discussed in-depth here, but play around with them to see how they behave slightly differently from each other.

Line formatting

Everyone likes lists. Below are four methods for listing items.

Normal newlines
A quirk of wiki markup is that two consecutive lines will be displayed as one line. In other words, a single newline is ignored. This actually goes back to the fact that wiki markup is based on HTML, which behaves the same way. Instead of hitting Return once to start a new line, you need to hit it twice. Alternately, you can force a linebreak at any time with the <br /> tag.

Numbered lists

  1. This line actually begins with a "#" character.
    1. This line actually begins with two "#" characters.
    2. So does this one.
  2. Here's the next single-"#" line.

Bulleted lists

  • This line actually begins with a "*" character.
    • This line begins with two "*" characters.

Indented paragraphs

This line begins with a ":" character. The whole paragraph will wrap around using this indentation.
When starting a second indented line, you don't need to put an extra newline after the previous line like you normally would.
The more ":"s you put at the start of the line, the more indentation you get.

Titled paragraphs

This line starts with a ";"
Starting the next line with a ":" creates the impression of a paragraph under a title, useful for typesetting word definitions, dialogue lines, etc.

Links

Basically, there are thee types of links: (1) links to external pages and files, (2) intrawiki links to other pages on the wiki, and (3) interwiki links.

External links

(1a) Write the following to get some text acting as an outgoing hyperlink.

[http://oni.bungie.org/forum/ here is our forum]

The result is: here is our forum

(1b) If you omit the label text, the result will be different:

Here [http://oni.bungie.org/forum/] is our forum

The result is: here [1] is our forum. However, this is not part of our usual style on this wiki. You should always label your links.

(1c) You can also write URLs without any markup. Like this:

Here is our forum: http://oni.bungie.org/forum/

Note that external images will appear inline if you use their bare URL like this.

Intrawiki links

(2a) Write the following to get an intrawiki link to one of our own pages:

[[Quotes/Consoles#STURMANDERUNG_:_Final_Stage]]

The result is this: Quotes/Consoles#STURMANDERUNG_:_Final_Stage

(2b) Write following to get an intrawiki link which is labeled with some text:

[[OniSplit#Download_links|You can download OniSplit here]]

The result is this: You can download OniSplit here

This kind of link (2a/2b) spares you from writing http://wiki.oni2.net/OniSplit#Download_links

Anchor template

If you want to link to something that isn't a section, use the {{Template:Anchor}}.

{{Anchor|your_anchor}}

With this you can get an ordinary "page#your_anchor" URL.

Preview content on link hover

For this to work you need some unformatted or simple formatted text before the first section (==section==). Previewing of images is possible but not documented. (See chapter previews.)

Similarly, you can use the H template to show some shortened custom text.

[[link|{{H|hover text|normal text}}]]

Interwiki links

You can link to pages on Wiktionary, the English Wikipedia and Meta-Wiki as if they were pages of our own wiki, using the shortcuts wiktionary:, wikipedia: and metawikimedia:. When you make an interwiki link, the outbound link icon changes from an upward arrow to a sideward arrow to show that you are linking to a fellow wiki, not some random web site.

An example of using an interwiki prefix would be [[wikipedia:Test]], which produces wikipedia:Test (you can supply alternate text using the syntax [[wikipedia:Test|Test]] to get rid of that pesky prefix in the final markup: Test). These prefixes accept language codes, so you could use the markup [[wikipedia:de:Test|Test]] to link to the German article Test (the URL will appear wrong, but Wikipedia knows what it means).

All of the Wikimedia Foundation's projects have prefixes available for linking to them. Also note that we have handy shortcuts for the two most-used prefixes; wikipedia: can be shortened to wp: and wiktionary: can be shortened to wikt:. The complete list of currently supported interwiki links can be obtained by clicking here.

Looking at the list, you'll see that some prefixes are not actually for other wikis, but general web shortcuts; google: produces a Google search query for the provided search term, and cache: produces a Google page cache query for the provided URL.

Images and categories

To place an image, you type its name inside of double brackets, preceded by "Image:", e.g. [[Image:TXMPPOSTER3.png]]. This markup will be replaced by the named image. If you only want to link to the page of an image, you type [[:Image:TXMPPOSTER3.png]] to get Image:TXMPPOSTER3.png.

Categories work the same way. Every page on the wiki should be placed into at least one category using this kind of markup at the end of the page: [[Category:Policies and documentation]]. This will cause the name of the category to appear at the bottom of the page. However, if you only want to link to a category page, not place the current page into that category, you use the same technique as linking to an image page: [[:Category:Policies and documentation]] gives you Category:Policies and documentation. To see what categories are available, you can look at the Site Map.

Templates and transclusion

Text can be "transcluded" from one place on the wiki to another using {{this markup}}. Transclusion means that whenever the original text is updated, so is the text inserted in place of the page link enclosed in double-braces. Transclusion is most commonly used in order to place templates on a page. Here's a list of templates. Pick one, and then click on "What links here" once you're on the template page. You should see a list of pages, each one probably followed by "(transclusion)". Look at the wiki code for those pages to see how the template's text or markup was placed into the page.

Templates are not a special kind of wiki page; they're simply a term that we use to refer to pages that are meant to be transcluded. Templates usually provide a standardized format for something like a table, or else they supply a standard header or footer. You should familiarize yourself with the templates if you plan to do a decent amount of editing; they are not only time-savers, they also help editors make their edits fit in with OniGalore standards, and make it easier to change large amounts of wiki text at once.

Further help

Here's some more comprehensive help, straight from the source.

Reading
Go | Search | URL | Namespace | Page name | Section | Backlinks
Link | Piped link | Interwiki link | Redirect | Category | Image page
Logging in and preferences
Logging in | Preferences | User style
Editing
Advanced editing | Editing FAQ | Edit toolbar | Export | Import | Shortcuts
Tracking changes
Recent changes (enhanced) | Related changes | Watching pages | Diff
Page history | Edit summary | User contributions | Minor edit | Patrolled edit
Style & formatting
Wikitext examples | Reference card | HTML in wikitext | List | Table | Sorting | Colors
Special input and output
InputBox | Special characters | Displaying a formula | Images (uploads) | EasyTimeline
Advanced functioning
Template | Advanced templates | Parameter default | Magic word
ParserFunctions | Substitution | Array | Calculation | System message
Page management
Starting a new page | Renaming (moving) a page | Protecting pages | Deleting a page
Special pages
Talk page | OniGalore Sandbox page