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Template:Main other

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This template is used in system messages, and on approximately 8,180,000 pages, or roughly 15% of all pages.
Changes to it can cause immediate changes to the Wikipedia user interface.
To avoid major disruption and server load, any changes should be tested in the template's /sandbox or /testcases subpages, or in your own user subpage. The tested changes can be added to this page in a single edit. Please discuss changes on the talk page before implementing them.
This is the {{main other}} meta-template.
This template helps other templates detect if they are on a main space (article) page or some "other" type of page.
Basic usage
This template usually takes two parameters, like this:
{{main other |result if in mainspace |result if elsewhere}}
If the template is on a main space (article) page, it will return this:
result if in mainspace
If the template is on any other page, it will return this:
result if elsewhere
A typical usage case could be to make it so that a template only adds a category when on an article. Thus not adding other pages that just show the template. Like this:
{{main other |[[:Category:Some article maintenance category]]}}
Note that guidelines do not support categorization in templates.
Or to warn that a template should not be used on other pages:
{{main other | |This template should only be used in articles.}}
Note that in the first case above the "other" parameter was not used, and in the second example the "main" parameter was left empty.
Demospace
For testing and demonstration purposes, this template can take a parameter named demospace.
  • If it has the value main it returns the article text.
  • It if has the value other or any other value such as the name of some other namespace it returns the other pages text.
  • If the parameter is empty or undefined, the actual page type determines the result.
Like this:
{{main other |result if in mainspace |result if elsewhere |demospace=main}}
No matter on what kind of page the code above is used, it will return: result if in mainspace
You can make it so your template also understands the demospace parameter. That means you can demonstrate the different appearances of your template in the documentation for your template:
{{main other |result if in mainspace |result if elsewhere |demospace={{{demospace|}}} }}
Technical details
This template detects article "Talk:" pages as type other.
This template works like {{main talk other}}. For more examples and technical details, see the documentation there.
Redirects
The above documentation is transcluded from Template:Main other/doc. (edit | history)
Editors can experiment in this template's sandbox (edit | diff) and testcases (edit) pages.
Add categories to the /doc subpage. Subpages of this template.
Last edited on 4 October 2010, at 14:46
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