Help:Namespaces

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A namespace is a collection of pages with similar purpose. It appears as a prefix to page names - this page is named Namespaces and is prefixed by the namespace Help. The MediaWiki software has many default namespaces, and YumeWiki uses them for the wikis it hosts.

Basic information on namespaces can be found on the MediaWiki help page.

List

The below tables list the namespaces of YumeWiki in addition to some information about them. The most basic part is the name. This is the prefix the page has and what you use in links. The namespace number is also listed. This is the "ID" of a namespace, and it is always even. Adding 1 to the namespace number gives the number of the talk space. It is place for discussion about the subject page. It has the same name except with talk appended.

A clear example of the above: the page you are reading is in the namespace Help which has the number 12. The equivalent talk page is Help talk, which has a number of 13.

For the default and extension namespaces, the purpose of the namespace is described. For the wiki namespaces, it shows the shortened form used in URLs, and for most of them an abbreviated form that you may see people use.

Default Namespaces Expand

Namespace	Number	Purpose
Media	-2	Used to link directly to images: Media:NoImage.png. Has no talk page equivalent.
Special	-1	Used for all the special pages, which are lists or tools managed by the software.
(Main)	0	The main space for articles. It has no prefix and the talk space is just Talk:
User	2	User pages. If you made an account, you have one of these. Protected so only the users themselves and admins can edit.
YumeWiki	4	The "Project" namespace uses the site name and is used for meta talk.
File	6	All the files you upload are found here.
MediaWiki	8	System messages, interface CSS, and others things you'll never worry about.
Template	10	The default namespace for transcluding pages using {{curly braces}}.
Help	12	Helps you help us with the wiki. You are here.
Category	14	Categories allow pages (and other categories) to be sorted in neat boxes. Used plenty as lists of pages.

Extension Namespaces Expand

Namespace	Number	Purpose
Property	102	Semantic MediaWiki (SMW) properties that are applied to pages and subobjects.
Unused	104
Form	106	Used by the Page Forms extension for the page forms.
Concept	108	Could be used as pseudo-categories for Semantic MediaWiki. Unused on YumeWiki.
Forum	110	Supposedly for forums. We don't have that yet.
Rule	112	Currently unused. See the SMW namespace help page here.
smw/schema	114	Seemingly for SMW related settings.
…	…	…
Widget	274	Help add an explanation
…	…	…
TimedText	710	Used by the TimedMediaHandler extension.
…	…	…
Module	828	Lua scripts for Scribunto.
…	…	…
Gadget	2300	Javascript or CSS tweaks that can be applied in the user preferences page - extension link
Gadget definition	2302	Alternate place for defining gadgets; see here.

Wiki Namespaces Expand

Namespace	Number	URL	Abbr
Yume Nikki	3000	yume	YN
Yume 2kki	3002	2kki	Y2
Dotflow	3004	flow	DF
Someday	3006	someday	SD
Deep Dreams	3008	deepdreams	DD
Answered Prayers	3010	prayers	AP
Amillusion	3012	amillusion	AM
Uneven Dream	3014	unevendream	UD
Braingirl	3016	braingirl	BG
Collective Unconscious	3018	unconscious	CU
Cerasus	3020	cerasus
Muma Rope	3022	muma	MR
YNOproject	3024	ynoproject	YNO
Dream Genie	3026	genie	DG
Mikan Muzou	3028	mikan	MM
Ultra Violet	3030	ultraviolet	UV
She Awaits	3032	sheawaits	SA
Oversomnia	3034	oversomnia	OS
Yume Tagai	3036	tagai
Yume Tsushin	3038	tsushin	YT
NostAlgic	3040	nostalgic	NA

Usage

You will most commonly see namespaces used wikilinks. To link to a page on the Yume Nikki Wiki, you must write [[Yume Nikki:Uboa|Uboa]]. You also see them when hovering over links. Rarely, the prefix appears in the page title at the start. This is all due to the way namespaces are used to separate wikis. Putting wikis in different namespaces creates a static and consistent way to identify pages: Yume Nikki:Hell will not be confused with Dotflow:Hell. Another positive is having different styles when viewing pages using the default skin.

Namespaces are also seen prefixed to pages listed in categories. This can be useful when a category has pages from multiple namespaces (such as Category:Article Stubs), but is otherwise redundant. There is no way to hide them.

Links to the File and Category namespaces must be prefixed with a colon :. For example, [[File:NoImage.png]] will embed the file directly into the page, but [[:File:NoImage.png]] will produce the link File:NoImage.png.