Namespace

Editors can experiment in this template's sandbox and test case pages.

This is the {{Namespace}} meta-template. It helps other templates detect what type of page they are on.

It detects and groups all the different namespaces used on Fandom into several types:

main
Main (i.e. article) space, where normal articles are kept.
talk
Any talk space, including page names that start with "Talk:", "User talk:", "File talk:", etc.
user
file
mediawiki
template
help
category
The remaining namespaces.
other
Any namespaces that were not specified as a parameter to the template (see explanation below).
For backwards compatibility, this template handles **image** as if **file**. **image** ([[Image:...]]) is now deprecated.

**Note:** For most cases it may be better to use the simpler namespace detection templates (see the see also section below). This template is more prone to human errors such as misspelling parameter names.

This template uses the Lua templating language, and more information can be found on the Global Lua Module page. **For a traditional wikitext version of this template, see Namespace\_detect on Templates Wiki**.

## Usage

This template takes one or more parameters named after the different page types as listed above. Like this:

```
{{Namespace
}}

```

If the template is on a main (article) page, it will return this:

Article text
If the template is on any other page than an article or a talk page, it will return this:

Article text
The example above made the template return something for all page types. But if we don't use the **other** parameter or leave it empty, it will not return anything for the other page types. Like this:

```
{{Namespace
}}

```

On any pages other than file and category pages the code above will render nothing.

By using an empty parameter, you can make it so the template doesn't render anything for some specific page type. Like this:

```
{{Namespace
}}

```

The code above will render nothing when on mainspace (article) pages, but will return this when on other pages:

## Demospace and page

For testing and demonstration purposes, this template can take two parameters named **demospace** and **page**.

**demospace** understands any of the page type names used by this template, including the **other** type. It tells the template to behave like it is on some specific type of page. Like this:

```
{{Namespace
}}

```

No matter on what kind of page the code above is used, it will return this:

Article text
The **page** parameter instead takes a normal pagename, making this template behave exactly as if on that page. The pagename doesn't have to be an existing page. Like this:

```
{{Namespace
}}

```

No matter on what kind of page the code above is used, it will return this:

User page text
It can be convenient to let your template understand the **demospace** and/or **page** parameter and send it on to the {{Namespace}} template. Like this:

```
{{Namespace
}}

```

If both the **demospace** and **page** parameters are empty or undefined, the template will detect page types as usual.

## Parameters

List of all parameters:

```
{{Namespace
...
              file / mediawiki / template /
              help / category / other
}}

```

## Technical details

If you intend to feed tables as content to the numbered parameters of this template, you need to know this:

Templates have a problem handling parameter data that contains pipes "`|`" unless the pipe is inside another template `{{name|param1}}` or inside a piped link `[[w:Help:Template|help]]`. Thus templates can not handle wikitables as input unless you escape them by using the `{{!}}` magic word. This makes it hard to use wikitables as parameters to templates. Instead, the usual solution is to use HTML wikimarkup for the table code, which is more robust.

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