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This template produces formatted text, following Wikipedia's guideline for a hatnote.

{{hatnote|Example hatnote text.}}
Example hatnote text.

Broadly speaking, a hatnote should answer a readers' question (maybe preemptively): Am I on the right page?

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 div- / div 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 wikitext.

Usage

Basic usage
{{hatnote|text}}
All parameters
{{hatnote|text|extraclasses=extra classes}}

Parameters

This template accepts the following parameters:

  • 1 - the hatnote text. (required)
  • extraclasses - any extra CSS classes to be added.

Example

  • {{hatnote|Example hatnote text}}
Example hatnote text

Errors

If no hatnote text is supplied, the template will output the following message:

{{{1}}}

If you see this error message, it is for one of four reasons:

  1. No parameters were specified (the template code was {{hatnote}}). Please use {{hatnote|text}} instead.
  2. Some parameters were specified, but the hatnote text wasn't included. For example, the template text {{hatnote|extraclasses=seealso}} will produce this error. Please use (for example) {{hatnote|text|extraclasses=seealso}} instead.
  3. 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 {{hatnote|2+2=4}} will produce this error. To work around this, you can specify the parameter name explicitly by using 1= before the hatnote text, like this: {{hatnote|1=2+2=4}}.

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.

Technical details

The HTML code produced by this template looks like this:

  • <div class="hatnote">hatnote text</div>
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