Help:Cite errors

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<translate> Extensions let you customize how MediaWiki looks and works. </translate>

  • <translate> Wiki users can [[<tvar name=cat>Special:MyLanguage/Category:Extensions by category</tvar>|browse through extensions]].</translate>
  • <translate> System administrators can [[<tvar name=1>#Installing an extension</tvar>|install]] (or remove) extensions on the MediaWiki installations that they manage.</translate>
  • <translate> Developers can [[<tvar name=man>Special:MyLanguage/Manual:Developing extensions</tvar>|write new extensions]] or [[<tvar name=cat>Special:MyLanguage/Category:Unmaintained extensions</tvar>|improve or maintain extensions]]. </translate>

<translate> While some extensions are maintained by MediaWiki developers, others were written by third-party developers.</translate> <translate> As a result, many have bugs, and they are not all guaranteed to be compatible with each other.</translate> <translate> Some are unmaintained; not all extensions work on all versions of MediaWiki.</translate> <translate> Use any extension, especially those tagged as insecure, at your own risk.</translate> <translate> If you are using an extension that requires patches to the core software, be sure to backup your database.</translate> <translate> This helps avoid the risk of breaking your wiki.</translate>

<translate>

Types of extensions[edit]

</translate> <templatestyles src="ContentGrid/styles.css" />

<translate>

Browsing extensions[edit]

</translate> <translate> You can browse <tvar name=cat>Lua error in package.lua at line 80: module 'Module:Lang/ISO 639 synonyms' not found.</tvar> to see the full range of extensions that have already been written.</translate> <translate> For information on installing these extensions or writing your own, see below.</translate>

<translate>

Checking installed extensions[edit]

</translate> <translate> Only someone with administration access to the filesystem (and often the database too) on a server can install extensions for MediaWiki, but anyone can check which extensions are active on an instance of MediaWiki by accessing the <tvar name=special>Special:Version</tvar> page.</translate> <translate> For example, these extensions are active in the English Wikipedia.</translate>

<translate>

Installing an extension[edit]

</translate> <translate> MediaWiki is ready to accept extensions just after [[<tvar name=man>Special:MyLanguage/Manual:Installation</tvar>|installation]] is finished.</translate> <translate> To add an extension follow these steps:</translate>

  1. <translate> Before you start</translate>
    <translate> Many extensions provide instructions designed for installation using unix commands.</translate> <translate> You require shell access (SSH) to enter these commands listed on the extension help pages.</translate>
  2. <translate> Download your extension.</translate>
    <translate> [[<tvar name=special>Special:ExtensionDistributor</tvar>|Extension Distributor]] helps you to select and download most of the popular extensions.</translate>
    <translate> Extensions are usually distributed as modular packages.</translate> <translate> They generally go in their own subdirectory of <tvar name=IP>Lua error in package.lua at line 80: module 'Module:Lang/ISO 639 synonyms' not found./extensions/</tvar>.</translate> <translate> A list of extensions stored in the Wikimedia [[<tvar name=gerrit>Special:MyLanguage/Gerrit</tvar>|Git repository]] is located at <tvar name=extensions>git:mediawiki/extensions</tvar>.</translate> <translate> Some extensions [[<tvar name=cat>Special:MyLanguage/Category:Extensions which host their code in-wiki</tvar>|don't use version control]] and are not recommended.</translate>
    <translate> Some extensions are also available in [[<tvar name=1>Special:MyLanguage/Software bundles</tvar>|bundles]], <tvar name=composer>Lua error in package.lua at line 80: module 'Module:Lang/ISO 639 synonyms' not found.</tvar> or [[<tvar name=2>Special:MyLanguage/Comparison of extensions in distributions</tvar>|package repositories]].</translate>
  3. <translate> Install your extension.</translate>.
    <translate> At the end of the <tvar name=LocalSettings>Lua error in package.lua at line 80: module 'Module:Lang/ISO 639 synonyms' not found.</tvar> file, add:</translate>
    wfLoadExtension( 'ExtensionName' );
    
    <translate> This line forces the PHP interpreter to read the extension file, and thereby make it accessible to MediaWiki.</translate>
    <translate> Some extensions can conflict with maintenance scripts, for example if they directly access $_SERVER (not recommended).</translate>
    <translate> In this case they can be wrapped in the conditional so maintenance scripts can still run.</translate>
if ( !$wgCommandLineMode ) {
   wfLoadExtension ( 'ExtensionName' );
}

<translate> : The maintenance script <tvar name=ImportDump>Lua error in package.lua at line 80: module 'Module:Lang/ISO 639 synonyms' not found.</tvar> will fail for any extension which requires customized namespaces which is included inside the conditional above such as <tvar name=1>Lua error in package.lua at line 80: module 'Module:Lang/ISO 639 synonyms' not found.</tvar>, <tvar name=2>Lua error in package.lua at line 80: module 'Module:Lang/ISO 639 synonyms' not found.</tvar>.</translate>

<templatestyles src="Citation/styles.css"/><span class="citation wikicite" id="endnote_<translate> Ensure that required permissions are set for extensions!</translate>">^
<templatestyles src="Citation/styles.css"/><span class="citation wikicite" id="endnote_<translate> While this installation procedure is sufficient for most extensions, some require a different installation procedure.</translate> <translate> Check your extension's documentation for details.</translate>">^
<templatestyles src="Citation/styles.css"/><span class="citation wikicite" id="endnote_<translate> If you want to alter configuration variables in LocalSettings.php, you have to do this typically after including the extension.</translate> <translate> Otherwise defaults defined in the extension will overwrite your settings.</translate>">^

<translate>

Upgrading an extension[edit]

</translate> <translate> Some extensions require to be updated whenever you update MediaWiki, while others work with multiple versions.</translate> <translate> To upgrade to a new version of an extension:</translate>

<translate>

  1. Download the new version of the extension</translate>

<translate>

  1. Replace all the extension files in the extension/ExtensionName directory with the new files.</translate> <translate> Do not remove the extension configuration present in LocalSettings.php</translate>

<translate>

  1. If the extension requires changes to the MediaWiki database, you will need to run the Update.php maintenance script.</translate> <translate> Most extensions will mention if this script needs to be run or not.</translate> <translate> (Perform backup of your data before executing the script).</translate> <translate> If you don't have command line access, you can also use the [[<tvar name=man>Special:MyLanguage/Manual:Upgrading#Web_updater</tvar>|web updater]].</translate>

<templatestyles src="Citation/styles.css"/><span class="citation wikicite" id="endnote_<translate> These instructions cover 99% of extensions.</translate> <translate> If the specific extension you are upgrading has instructions that differ from these, you should probably follow the specific extension's instructions</translate>">^

<translate>

Uninstalling an extension[edit]

Remove the line from LocalSettings.php with the extension name to uninstall it: </translate>

wfLoadExtension( 'ExtensionName' );

<translate>

  • You must remove any lines pertaining to the configuration of the extension.

See also[edit]

</translate>

  • Lua error in package.lua at line 80: module 'Module:Lang/ISO 639 synonyms' not found.
  • Lua error in package.lua at line 80: module 'Module:Lang/ISO 639 synonyms' not found.
  • Lua error in package.lua at line 80: module 'Module:Lang/ISO 639 synonyms' not found.
  • Lua error in package.lua at line 80: module 'Module:Lang/ISO 639 synonyms' not found. - <translate> Information about translating extensions.</translate>

Template:Extensions

[[Category:Customization techniques{{#translation:}}|Cite errors]] [[Category:Extension creation{{#translation:}}]]

The ShortDescription extension allows wikis to add short descriptions to wikitext pages, similar to the implementation on Wikipedia and Wikibase. On top of that, it replaces the site tagline with short description on pages with short description.

Installation[edit]

Note that the latest version is located in the GitHub repo instead of Gerrit. Template:ExtensionInstall

Features[edit]

  • Define short description on the page with the magic word {{SHORTDESC}}, same as the implementation on Wikipedia
  • Retrieve short description on any wiki pages with the magic word {{GETSHORTDESC}}
  • Add short description underneath the page title on most skins, if the skin supports site tagline (#siteSub)
    • Note that the short description with replace the default site tagline message on pages with short description
    • Does not apply to Skin:Citizen and Skin:Minerva Neue, as they have native support
  • Allow short description to be accessed through the Action API
  • Provide description to the REST API search endpoint
  • Add short description to page information (&action=info)
  • Provide description for extensions such as MobileFrontend, RelatedArticles

Configurations[edit]

The extension works out of the box without any configurations. The config flags allow more customization on the specific features in the extension.

Name Description Values Default
Template:Phpi Enables short descritption in site tagline Template:Phpi - enable; Template:Phpi - disable Template:Phpi
Template:Phpi Provide short description to the Opensearch API module Template:Phpi - enable; Template:Phpi - disable Template:Phpi

Usage[edit]

Add short description[edit]

To add Bacon ipsum dolor amet turkey as short description, simply add {{SHORTDESC:Bacon ipsum dolor amet turkey}} on the page.

Retrive short description on wikipage[edit]

To retrive the short description on the page Bacon, simply add {{GETSHORTDESC:Bacon}} on the page. If you are retrieving the short description on the same page (e.g. getting the short description of Bacon on the Bacon page), simply add {{GETSHORTDESC:}}.

Retrieve short description through Action API[edit]

The short description can be called through the description property in query action in the Action API (e.g.api.php?action=query&prop=description). It is also accessible through the shortdesc property inside pageprops.

Retrieve short description through REST API[edit]

The short description can be accessed through the description property in the search endpoint in the REST API.

Screenshots[edit]

See also[edit]

The Wikipedia footnotes system has the ability to detect errors. This page documents the error messages and provides an understanding of the problem and solutions.

Error messages[edit]

The messages will be formatted as an error, and are visible on the rendered page after hitting the "Publish changes" button.

These messages are dependent on the language setting in Special:Preferences— this list applies only to "en — English".

  • Invalid <ref> tag; refs with no name must have content
  • The opening <ref> tag is malformed or has a bad name
  • Invalid <ref> tag; invalid names, e.g. too many
  • Invalid <ref> tag; name cannot be a simple integer. Use a descriptive title
  • Closing </ref> missing for <ref> tag
  • Invalid <ref> tag; no text was provided for refs named $1
  • Invalid parameter in <references> tag
  • Ran out of custom backlink labels. Define more in the MediaWiki:Cite references link many format backlink labels message.
  • <ref> tags exist for a group named "$1", but no corresponding <references group="$1"/> tag was found
  • <ref> tag in <references> has conflicting group attribute "$1".
  • <ref> tag with name "$2" defined in <references> has group attribute "$1" which does not appear in prior text.
  • <ref> tag with name "$1" defined in <references> is not used in prior text.
  • <ref> tag defined in <references> has no name attribute.
  • Invalid <ref> tag; name "$1" defined multiple times with different content
  • <ref> tag with name "$1" defined in <references> group "$2" has no content.
  • Cite error: $1

Other problems[edit]

Some problems may not show a cite error message, while others may not be obvious.

In ref name use only straight quotation marks[edit]

When you cite the same source more than once on a page, use only straight quotation marks " " to enclose the reference name. Do not use curly quotation marks “ ”, which are treated as simply another character, not as quotation marks. An error message will appear if the original and repeat references use a mix of straight and curly quotation marks. The syntax to define a named reference is:

<ref name="name">content</ref>

To repeat the named reference:

<ref name="name" />

A page shows in the reference error category, but no cite errors show[edit]

If <ref>...</ref> includes a URL with an =, and if the reference is inside a template, then the template will fail. Depending on the placement of the URL, the cite error message may not display, but the page will be included in the error category. Ensure that = are encoded as &#61;

refTools should catch this problem.

For example, an incorrectly nested reference where {{lower}} is being used to make the reference smaller:

<templatestyles src="Pre/styles.css"/>
{{lower|<ref>content1<ref>content2</ref>[http://www.washingtoninstitute.org/templateC05.php?CID=2386]</ref>}}

Reference links show in the body of the article, but do not show in the reference list[edit]

This may be caused by a template that is not properly closed with }}.

It can also be caused by multiple footnotes that are defined to use the same name. Links will be generated for both, but only the first will show in the references list: For example:

<ref name="foo">content1</ref>
<ref name="foo">content2</ref>

Only content1 will show. refTools will catch this problem.

Content on a non-article page is missing[edit]

If a footnote does not have a closing </ref>, it will "eat" the following text, causing it to not show. This normally shows a cite error, unless it is the last footnote on the page. Normally, this would then suppress the <references /> tag, generating an error, but the message for a missing <references /> tag is suppressed on non-article pages. refTools will catch this problem.

Templates[edit]

Some templates may include <ref>...</ref> tags; for example {{botanist}}. If a template of this type is included without the <references /> tag, then an error is generated, but the problem is not obvious. refTools will not catch this problem.

Several methods are available for solving this problem. Below they are listed in order of preference. Note that only one of these is required, not all of them.

Method 1

If the template has a documentation page, add <references /> there.

Method 2

Add the following code to the end of the template:

<noinclude>
{{Template reference list}}
</noinclude>

Method 3

Add the following code to the end of the template:

<noinclude>
<div style="display: none"><references /></div>
</noinclude>

Cons: Hides the references, not informing the user that it is there; editors won't be able to check the references formatting.

Method 4

Include the <references /> tag within the template itself using the group parameter. See Help talk:Cite errors/Testcases1 for an example.

Cons: Creates a separate references section that may not be obvious; does not allow reuse of the references within the body of the article.

Tools[edit]

refTools can be enabled via Preferences → Editing → Usability features. It includes an error checking tool for common problems.

Messages, namespaces and categories[edit]

Internal messages are generated by the Cite.php extension and shown as a MediaWiki message. See the parser hooks section of Special:Version for the installed version of Cite.php. These messages are in the MediaWiki namespace and can be modified only by admins.

The MediaWiki messages use {{broken ref}} to control the namespace and category. Messages show only on main (article), user, template, category, help and file pages. Talk pages do not show error messages.

Category default sorting is by {{PAGENAME}} for the main namespace and by τ{{PAGENAME}} for template, category, help and file namespaces.

See also[edit]

Template:Wikipedia referencing