From Wikimedia Incubator
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Note: the translations are not official, only the English version is official.

This is an official Incubator policy.
You may edit it, but please discuss major changes on the talk page first.

Dit is het beleid van Incubator.

You can find other parts on:


What Wikimedia Incubator hosts


The Wikimedia Incubator hosts tests of new language editions of the following Wikimedia projects:

Incubator does not host a test project which is not in the list above (i.e. the proposals on meta:Proposals for new projects).

The following Wikimedia projects have to be made somewhere else:

Wikiversity, go to Beta Wikiversity (does not use prefixes)

Wikisource, go to Old Wikisource (does not use prefixes)


Starting a new test language


See Help:Manual for more information.

You can start a test language of the projects mentioned above, regardless of whether you have a request at Meta[1], though it is recommended to ask first for confirmation through the page Incubator:Requests for starting a test[2]. It is not required to have a proposal at Meta, but without one, your test will not be able to get an own wiki.

You have to do the following:

After confirmation at Incubator:Requests for starting a test, you will probably have a page Project/code with an information template on it, otherwise create it using {{test wiki}}.

Create a main page, with an article name consisting of just the prefix: Project/code/Main_Page[3].

Code: a valid ISO 639 code. An ISO 639-1 code, if it doesn't exists, an ISO 639-3 code.

Main Page: the word "Main Page" in your language. To make linking easier, it is recommended to be the same as the MediaWiki message "mainpage" (translatable at

List the test on Template:Tests.

Projects must match main m:WM:LPP requirements: project must not already exist, be unique language and have a valid language code.


Closure or deletion

== ====

Common reasons for test deletion


If a test does not have a valid ISO 639 language code, it should be deleted.

You may only propose a deletion of a test language which does not have a proposal on Meta or is rejected by the langcom.

If it is rejected, the test can be kept for future proposals when the requirements are fulfilled (if this is possible), or else it should be proposed for deletion.

If a project is given final approval, the test's pages will be imported to the new subdomain wiki. All pages should be deleted, except the info page, where a notice will be added (see Incubator:Policy/Test wiki info page for further information).


Test deletion procedure


Propose it on Incubator:Requests for deletions

Further instructions are given there

If needed, an XML file must be exported (needed means: if the test is not vandalism or nonsense – in general, use common sense)

If requested, it can be exported to Incubator Plus


Whilst on Incubator

== ===



All article pages in a test have a prefix of the form "project/langcode/", for example "wp/en/" for English Wikipedia.

  • Images cannot be uploaded to Incubator; they must be uploaded to Wikimedia Commons. (Note that this means that uploading is disabled.)

Templates and categories must be prefixed as the articles.

All test languages will be marked with a template as explained on Incubator:Policy/Test wiki info page.


Test Admins


Whilst on Incubator, you may apply for test adminship. This gives you a few admin rights (to delete and to block users) on your test.

See Incubator:Administrators#Test-administrators for the policy of this.


Marking test languages


There are different templates which are used on the info pages in order to mark the status of the test wikis, you can find all information at Incubator:Policy/Test wiki info page.




You can find the policy about administrators, bureaucrats etc. on Incubator:Administrators.


User behaviour


If there is sufficient reason to (e.g. vandalism), a user technically able to block may block a user for any timespan appropriate for the action.

Users are not allowed to use multiple accounts, unless it is a bot or otherwise explicitly stated to be used for a specific purpose.


Usage of namespaces


Main (+ talk)

only for test wikis, all pages must be prefixed


all templates must be prefixed, except a few templates that are used for general Incubator purposes (like Template:Policy)


all modules must be prefixed, except a few templates that are used for general Incubator purposes (like Module:Test wikis)


all categories must be prefixed, except a few categories that are used for general Incubator purposes (like Category:Maintenance:(all))


only for general Incubator purposes (like this page)

  • To create a project or help page for your test, put the namespace after the prefix. The page will then technically be in main here, but will be put in the correct location when your project is approved and created.

no local files, only via Wikimedia Commons


niet langer in gebruik

Zie ook


  1. See Meta policy
  2. Link to community discussion and consensus
  3. Link to community discussion and consensus