Template:Void

Template documentation

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This template does nothing visually. Technically, it throws away its parameters and outputs the null string.

It is useful for programming advanced templates, and is often used within a template to the right of an equals sign. It may also be used in a template to disambiguate parsing of braces.

It can also be used to temporarily disable code, and unlike "commenting out" with <!-- -->, it nests. This means that {{void|foo {{void|bar}} baz}} is valid, whereas <!-- foo <!-- bar --> baz --> will produce baz -->.

It provides a particularly concise way of temporarily disabling templates, by prefixing them with ^|, so the template name becomes the (ignored) first unnamed parameter. For example, suppose you have a page {{Under construction}} for several days, and wish to change that to {{In use}} during active editing sessions. Rather than delete the unused template, you can leave both templates in the wikisource and change from {{^|In use|...}}{{Under construction|...}} to {{In use|...}}{{^|Under construction|...}}.

Another possible application would be to temporarily disable an infobox on an article page while a problem with the infobox template itself is resolved.

Alternatives

It's also possible to use {{ns:0}}, the empty/void/null string for the main namespace.

It can be used in place of ‎<nowiki /> to break character sequence parsing, for example {{nowrap|{''a''}{{null}}}} to force the first closing brace to be treated as part of the template parameter instead of as the end of the template expression.

TemplateData

This is the TemplateData documentation for this template used by VisualEditor and other tools.

Void

A template to show the null string, i.e. nothing. Any parameters are accepted and ignored.

Template parameters

Parameter		Description	Type	Status
No parameters specified

The above documentation is transcluded from Template:Void/doc. (edit | history)
Editors can experiment in this template’s sandbox (create | mirror) and testcases (create) pages.
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