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{{Documentation subpage}}
{{high-risk}}
{{lua|Module:Hatnote}}

This template formats text into the standard stylistic for a [[Wikipedia:Hatnote|Wikipedia hatnote]]. It produces a short note placed at the top of an article to provide disambiguation of closely related terms or summarise a topic, explaining its boundaries. Hatnotes look like this:

{{hatnote|Example hatnote text.}}

== Function ==
This template is primarily used to add a correctly formatted ''hatnote'' to a page. Often, but not always, this is a ''disambiguation link'' at the top of article pages. It places an HTML <code>div-</code> / <code>div</code> block around the text entered as its only argument, which provides standardized formatting (contents are indented and italicized in most displays); it also isolates the contained code to make sure that it is interpreted correctly.

This template is also used as the "meta-template" for additional specialized disambiguation link templates; see [[:Category:Hatnote templates]] for a list.

The template does not automatically create links of any kind. Links and other desired formatting must be explicitly added, using normal [[Wikipedia:Cheatsheet|Wikipedia markup]].

== Usage ==

; Basic usage:
{{hatnote|''text''}}

; All parameters:
{{hatnote|''text''|extraclasses=''extra classes''|selfref=''yes''|category=''no''}}

== Parameters ==

This template accepts the following parameters:
* <code>1</code> - the hatnote text. (required)
* <code>extraclasses</code> - any extra CSS classes to be added. For example, the {{tl|see also}} template adds the classes {{para|extraclasses|boilerplate seealso}}.
* <code>selfref</code> - if set to "yes", "y", "true" or "1", adds the CSS class "selfref". This is used to denote self-references to Wikipedia. See [[Template:Selfref]] for more information.
* <code>category</code> - if set to "no", "n", "false", or "0", suppresses the error tracking category ([[:Category:Hatnote templates with errors]]). This only has an effect if the first positional parameter (the hatnote text) is omitted.

== Example ==

* <code><nowiki>{{hatnote|Example hatnote text}}</nowiki></code> → {{hatnote|Example hatnote text}}

== Errors ==

If no hatnote text is supplied, the template will output the following message:
* {{hatnote|category=no}}

If you see this error message, it is for one of four reasons:
# No parameters were specified (the template code was <code><nowiki>{{hatnote}}</nowiki></code>). Please use <code><nowiki>{{hatnote|</nowiki>''text''<nowiki>}}</nowiki></code> instead.
# Some parameters were specified, but the hatnote text wasn't included. For example, the template text <code><nowiki>{{hatnote|extraclasses=seealso}}</nowiki></code> will produce this error. Please use (for example) <code><nowiki>{{hatnote|</nowiki>''text''<nowiki>|extraclasses=seealso}}</nowiki></code> instead.
# The hatnote text was specified, but that text contains an equals sign ("="). The equals sign has a special meaning in template code, and because of this it cannot be used in template parameters that do not specify a parameter name. For example, the template code <code><nowiki>{{hatnote|2+2=4}}</nowiki></code> will produce this error. To work around this, you can specify the parameter name explictly by using <code>1=</code> before the hatnote text, like this: <code><nowiki>{{hatnote|1=2+2=4}}</nowiki></code>.
# You tried to access [[Module:Hatnote]] directly by using <code><nowiki>{{#invoke:hatnote|hatnote|</nowiki>''text''<nowiki>}}</nowiki></code>. Use of #invoke in this way has been disabled for performance reasons. Please use <code><nowiki>{{hatnote|</nowiki>''text''<nowiki>}}</nowiki></code> instead.

If you see this error message and are unsure of what to do, please post a message on [[Template talk:Hatnote]], and someone should be able to help you.

Pages that contain this error message are tracked in [[:Category:Hatnote templates with errors]].

== Technical details ==

The HTML code produced by this template looks like this:

* <code><nowiki><div class="hatnote"></nowiki>''hatnote text''<nowiki></div></nowiki></code>

The code is produced by [[Module:Hatnote]].

<includeonly>
[[Category:Hatnote templates]]
</includeonly>

Vorlage:Hatnote/doc - Versionsgeschichte

imported>Oetterer am 10. Oktober 2022 um 06:46 Uhr

imported>Oetterer am 16. April 2022 um 21:50 Uhr

mw>Oetterer am 25. September 2014 um 14:09 Uhr