to be called with a parser like {{#tag:pre}}.
* Parameter $1: This is the unknown extension tag name.',
'duplicate-defaultsort' => 'Definition of [http://en.wikipedia.org/wiki/Sorting sort key] on Wikipedia.',

# Special:Version
'version' => 'Name of special page displayed in [[Special:SpecialPages]]

{{Identical|Version}}',
'version-extensions' => 'Header on [[Special:Version]].',
'version-specialpages' => 'Part of [[Special:Version]].

{{Identical|Special pages}}',
'version-parserhooks' => 'This message is a heading at [[Special:Version]] for extensions that modifies the parser of wikitext.',
'version-variables' => '{{Identical|Variable}}',
'version-skins' => '{{Identical|Skin}}',
'version-api' => '{{optional}}',
'version-other' => '{{Identical|Other}}',
'version-mediahandlers' => 'Used in [[Special:Version]]. It is the title of a section for media handler extensions (e.g. [[mw:Extension:OggHandler]]).
There are no such extensions here, so look at [[wikipedia:Special:Version]] for an example.',
'version-hooks' => 'Shown in [[Special:Version]]',
'version-extension-functions' => 'Shown in [[Special:Version]]',
'version-parser-function-hooks' => 'Shown in [[Special:Version]]',
'version-hook-name' => 'Shown in [[Special:Version]]',
'version-hook-subscribedby' => 'Shown in [[Special:Version]]',
'version-version' => '*$1 - version number
{{Identical|Version}}',
'version-svn-revision' => '{{optional}}
This is being used in [[Special:Version]], preceeding the subversion revision numbers of the extensions loaded inside brackets, like this: "({{int:version-revision}} r012345")

{{Identical|Revision}}',
'version-license' => '{{Identical|License}}',
'version-poweredby-credits' => 'Message shown on [[Special:Version]]. Parameters are:
*$1: the current year
*$2: a list of selected MediaWiki authors',
'version-poweredby-others' => 'Used at the very end of {{msg-mw|version-poweredby-credits}} on [[Special:Version]]. First, there\'s a long list of selected MediaWiki authors, then the word "and" (from {{msg-mw|and}}) follows and then this translation, which is supposed to credit the many other people than developer helping with MediaWiki.',
'version-license-info' => '[[wikipedia:GNU GPL|GNU GPL]] notice shown at [[Special:Version]]. See //www.gnu.org/licenses/old-licenses/gpl-2.0-translations.html for available translations.',
'version-software-product' => 'Shown in [[Special:Version]]',
'version-software-version' => '{{Identical|Version}}',
'version-entrypoints' => 'Header on [[Special:Version]] above a table that lists the URLs of various entry points in this MediaWiki installation. Entry points are the "places" where the wiki\'s content and information can be accessed in various ways, for instance the standard index.php which shows normal pages, histories etc.',
'version-entrypoints-header-entrypoint' => 'Header for the first column in the entry points table on [[Special:Version]].
See also {{msg-mw|Version-entrypoints}}',
'version-entrypoints-header-url' => 'Header for the second column in the entry points table on [[Special:Version]].',
'version-entrypoints-articlepath' => 'A short description of the article path entry point. Links to the mediawiki.org documentation page for $wgArticlePath.',
'version-entrypoints-scriptpath' => 'A short description of the script path entry point. Links to the mediawiki.org documentation page for $wgScriptPath.',

# Special:FilePath
'filepath' => 'Legend of fieldset around input box in [[Special:FilePath]].',
'filepath-page' => 'Shown next to input box in [[Special:FilePath]]

{{Identical|File}}',
'filepath-submit' => 'Button label in [[Special:FilePath]].
{{Identical|Go}}',
'filepath-summary' => 'Shown in [[Special:FilePath]]',

# Special:FileDuplicateSearch
'fileduplicatesearch' => 'Name of special page [[Special:FileDuplicateSearch]].',
'fileduplicatesearch-summary' => 'Summary of [[Special:FileDuplicateSearch]]',
'fileduplicatesearch-legend' => 'Legend of the fieldset around the input form of [[Special:FileDuplicateSearch]]',
'fileduplicatesearch-filename' => 'Input form of [[Special:FileDuplicateSearch]]:

{{Identical|Filename}}',
'fileduplicatesearch-submit' => 'Button label on [[Special:FileDuplicateSearch]].

{{Identical|Search}}',
'fileduplicatesearch-info' => 'Information beneath the thumbnail on the right side shown after a successful search via [[Special:FileDuplicateSearch]]

* $1: width of the file
* $2: height of the file
* $3: File size
* $4: MIME type',
'fileduplicatesearch-result-1' => 'Result line after the list of files of [[Special:FileDuplicateSearch]]

$1 is the name of the requested file.',
'fileduplicatesearch-result-n' => 'Result line after the list of files of [[Special:FileDuplicateSearch]]

* $1 is the name of the requested file.
* $2 is the number of identical duplicates of the requested file',

# Special:SpecialPages
'specialpages' => 'Display name of link to [[Special:SpecialPages]] shown on all pages in the toolbox, as well as the page title and header of [[Special:SpecialPages]].

{{Identical|Special pages}}',
'specialpages-note' => 'Footer note for the [[Special:SpecialPages]] page',
'specialpages-group-maintenance' => 'Section heading in the list of [[Special:SpecialPages|Special pages]].',
'specialpages-group-other' => 'Section heading in the list of [[Special:SpecialPages|Special pages]].',
'specialpages-group-login' => 'Section heading in the list of [[Special:SpecialPages|Special pages]].',
'specialpages-group-changes' => 'Section heading in the list of [[Special:SpecialPages|Special pages]].',
'specialpages-group-media' => 'Section heading in the list of [[Special:SpecialPages|Special pages]].',
'specialpages-group-users' => 'Section heading in the list of [[Special:SpecialPages|Special pages]].',
'specialpages-group-highuse' => 'Section heading in the list of [[Special:SpecialPages|Special pages]].',
'specialpages-group-pages' => 'Used on [[Special:SpecialPages]]. Title of the special pages group, containing pages like [[Special:AllPages]], [[Special:PrefixIndex]], [[Special:Categories]], [[Special:Disambiguations]], etc.',
'specialpages-group-pagetools' => 'Title of the special pages group containing special pages like [[Special:MovePage]], [[Special:Undelete]], [[Special:WhatLinksHere]], [[Special:Export]] etc.',
'specialpages-group-wiki' => 'Title of the special pages group, containing special pages like [[Special:Version]], [[Special:Statistics]], [[Special:LockDB]], etc.',
'specialpages-group-redirects' => 'Title of the special pages group, containing special pages that redirect to another location, like [[Special:Randompage]], [[Special:Mypage]], [[Special:Mytalk]], etc.',

# Special:BlankPage
'intentionallyblankpage' => 'Text displayed in [[Special:BlankPage]].',

# External image whitelist
'external_image_whitelist' => "As usual please leave all the wiki markup, including the spaces, as they are. You can translate the text, including 'Leave this line exactly as it is'. The first line of this messages has one (1) leading space.

Definition of [http://en.wikipedia.org/wiki/Regular_expression regular expression] on Wikipedia.",

# Special:Tags
'tags' => "Shown on [[Special:Specialpages]] for page listing the tags that the software may mark an edit with, and their meaning. For more information on tags see [//www.mediawiki.org/wiki/Manual:Tags Mediawiki].

It appears that the word 'valid' describes 'tags', not 'change'. It also appears that you could use the term 'defined' instead of 'valid', or perhaps use a phrase meaning 'Change tags in use'.",
'tag-filter' => 'Caption of a filter shown on lists of changes (e.g. [[Special:Log]], [[Special:Contributions]], [[Special:Newpages]], [[Special:Recentchanges]], [[Special:Recentchangeslinked]], page histories)',
'tag-filter-submit' => 'Caption of the submit button displayed next to the tag filter on lists of changes (e.g. [[Special:Log]], [[Special:Contributions]], [[Special:Newpages]], [[Special:Recentchanges]], [[Special:Recentchangeslinked]], page histories)

{{Identical|Filter}}',
'tags-title' => 'The title of [[Special:Tags]]',
'tags-intro' => 'Explanation on top of [[Special:Tags]]. For more information on tags see [//www.mediawiki.org/wiki/Manual:Tags Mediawiki].',
'tags-tag' => 'Caption of a column in [[Special:Tags]]. For more information on tags see [//www.mediawiki.org/wiki/Manual:Tags Mediawiki].',
'tags-display-header' => 'Caption of a column in [[Special:Tags]]. For more information on tags see [//www.mediawiki.org/wiki/Manual:Tags Mediawiki].',
'tags-description-header' => 'Caption of a column in [[Special:Tags]]. For more information on tags see [//www.mediawiki.org/wiki/Manual:Tags Mediawiki].',
'tags-hitcount-header' => 'Caption of a column in [[Special:Tags]]. For more information on tags see [//www.mediawiki.org/wiki/Manual:Tags Mediawiki].',
'tags-edit' => '{{Identical|Edit}}
Used on [[Special:Tags]]. Verb. Used as display text on a link to create/edit a description.',
'tags-hitcount' => 'Shown in the "{{msg-mw|Tags-hitcount-header}}" column in [[Special:Tags]]. For more information on tags see [//www.mediawiki.org/wiki/Manual:Tags Mediawiki].

* $1 is the number of changes marked with the tag',

# Special:ComparePages
'comparepages' => 'The title of [[Special:ComparePages]]',
'compare-selector' => 'Header of the form on [[Special:ComparePages]]',
'compare-page1' => 'Label for the field of the 1st page in the comparison for [[Special:ComparePages]]
{{Identical|Page}}',
'compare-page2' => 'Label for the field of the 2nd page in the comparison for [[Special:ComparePages]]
{{Identical|Page}}',
'compare-rev1' => 'Label for the field of the 1st revision in the comparison for [[Special:ComparePages]]
{{Identical|Revision}}',
'compare-rev2' => 'Label for the field of the 2nd revision in the comparison for [[Special:ComparePages]]
{{Identical|Revision}}',
'compare-submit' => 'Submit button on [[Special:ComparePages]]',

# Database error messages
'dberr-header' => 'This message does not allow any wiki nor html markup.',
'dberr-problems' => 'This message does not allow any wiki nor html markup.',
'dberr-again' => 'This message does not allow any wiki nor html markup.',
'dberr-info' => 'This message does not allow any wiki nor html markup.',
'dberr-usegoogle' => 'This message does not allow any wiki nor html markup.',
'dberr-outofdate' => "In this sentence, '''their''' indexes refers to '''Google's''' indexes. This message does not allow any wiki nor html markup.",

# HTML forms
'htmlform-submit' => '{{Identical|Submit}}',
'htmlform-reset' => '{{Identical|Undo}}',
'htmlform-selectorother-other' => 'Used in drop-down boxes in [[Special:Preferences]] as follows:
* selection of timezone (date and time tab)
* stub threshold (appearance tab)

{{Identical|Other}}',

# SQLite database support
'sqlite-has-fts' => 'Shown on Special:Version, $1 is version',
'sqlite-no-fts' => 'Shown on Special:Version, $1 is version',

# New logging system
'logentry-delete-delete' => '{{Logentry}}',
'logentry-delete-restore' => '{{Logentry}}',
'logentry-delete-event' => '{{Logentry}}
{{Logentryparam}}
* $3 is the name of the log page inside parenthesis',
'logentry-delete-revision' => '{{Logentry}}
{{Logentryparam}}
* $5 is the number of affected revisions of the page $3.',
'logentry-delete-event-legacy' => '{{Logentry}}
$3 is the name of the log page inside parenthesis',
'logentry-delete-revision-legacy' => '{{Logentry}}',
'logentry-suppress-delete' => "{{Logentry}}

'Hid' is a possible alternative to 'suppressed' in this message.",
'logentry-suppress-event' => '{{Logentry}}
{{Logentryparam}}
$3 is the name of the log page inside parenthesis',
'logentry-suppress-revision' => '{{Logentry}}
{{Logentryparam}}
* $5 is the number of affected revisions of the page $3.',
'logentry-suppress-event-legacy' => '{{Logentry}}
$3 is the name of the log page inside parenthesis',
'logentry-suppress-revision-legacy' => '{{Logentry}}',
'revdelete-content-hid' => 'Used on
* {{msg-mw|logentry-delete-event}}
* {{msg-mw|logentry-delete-revision}}
* {{msg-mw|logentry-suppress-event}}
* {{msg-mw|logentry-suppress-event}}',
'revdelete-summary-hid' => 'Used on
* {{msg-mw|logentry-delete-event}}
* {{msg-mw|logentry-delete-revision}}
* {{msg-mw|logentry-suppress-event}}
* {{msg-mw|logentry-suppress-event}}',
'revdelete-uname-hid' => 'Used on
* {{msg-mw|logentry-delete-event}}
* {{msg-mw|logentry-delete-revision}}
* {{msg-mw|logentry-suppress-event}}
* {{msg-mw|logentry-suppress-event}}',
'revdelete-content-unhid' => 'Used on
* {{msg-mw|logentry-delete-event}}
* {{msg-mw|logentry-delete-revision}}
* {{msg-mw|logentry-suppress-event}}
* {{msg-mw|logentry-suppress-event}}',
'revdelete-summary-unhid' => 'Used on
* {{msg-mw|logentry-delete-event}}
* {{msg-mw|logentry-delete-revision}}
* {{msg-mw|logentry-suppress-event}}
* {{msg-mw|logentry-suppress-event}}',
'revdelete-uname-unhid' => 'Used on
* {{msg-mw|logentry-delete-event}}
* {{msg-mw|logentry-delete-revision}}
* {{msg-mw|logentry-suppress-event}}
* {{msg-mw|logentry-suppress-event}}',
'revdelete-restricted' => 'This message is used as parameter $4 when setting visibility restrictions for administrators in:
* {{msg-mw|logentry-delete-event}}
* {{msg-mw|logentry-delete-revision}}
* {{msg-mw|logentry-suppress-event}}
* {{msg-mw|logentry-suppress-event}}',
'revdelete-unrestricted' => 'This message is used as parameter $4 when setting visibility restrictions for administrators in:
* {{msg-mw|logentry-delete-event}}
* {{msg-mw|logentry-delete-revision}}
* {{msg-mw|logentry-suppress-event}}
* {{msg-mw|logentry-suppress-event}}',
'logentry-move-move' => '{{Logentry}}
Parameter $4, the target page, is also not visible to parser functions.',
'logentry-move-move-noredirect' => '{{Logentry}}
Parameter $4, the target page, is also not visible to parser functions.',
'logentry-move-move_redir' => '{{Logentry}}
Parameter $4, the target page, is also not visible to parser functions.',
'logentry-move-move_redir-noredirect' => '{{Logentry}}
Parameter $4, the target page, is also not visible to parser functions.',
'logentry-patrol-patrol' => '{{Logentry}}
* $4 is a formatted revision number, maybe linked to the diff.',
'logentry-patrol-patrol-auto' => '{{Logentry}}
* $4 is a formatted revision number, maybe linked to the diff.
"Automatically" refers to users with autopatrol right who mark revisions automatically patrolled when editing.',
'logentry-newusers-create' => '{{Logentry}}

$4 is the gender of the target user.',
'logentry-newusers-create2' => '{{Logentry}}

$4 is the name of the target user.',
'logentry-newusers-autocreate' => '{{Logentry}}

$4 is the gender of the target user.',

# Feedback
'feedback-bugornote' => 'When feedback dialog box is opened, this introductory message in small print explains the options to report a bug or add simple feedback. We expect that people in a hurry will not read this.',
'feedback-subject' => 'Label for a text input
{{Identical|Subject}}',
'feedback-message' => 'Label for a textarea; signature referrs to a Wikitext signature.',
'feedback-cancel' => 'Button label
{{Identical|Cancel}}',
'feedback-submit' => 'Button label
{{Identical|Submit}}',
'feedback-adding' => 'Progress notice',
'feedback-error1' => 'Error message, appears when an unknown error occurs submitting feedback',
'feedback-error2' => 'Error message, appears when we could not add feedback',
'feedback-error3' => 'Error message, appears when we lose our connection to the wiki',
'feedback-thanks' => 'Thanks message, appears if feedback was successful',
'feedback-close' => 'Button label
{{Identical|Done}}',
'feedback-bugcheck' => 'Message that appears before the user submits a bug, reminding them to check for known bugs.',
'feedback-bugnew' => 'Button label - asserts that the user has checked for existing bugs. When clicked will launch a bugzilla form to add a new bug in a new tab or window',

# Search suggestions
'searchsuggest-search' => 'Greyed out default text in the simple search box in the Vector skin. (It disappears and lets the user enter the requested search terms when the search box receives focus.)

{{Identical|Search}}',
'searchsuggest-containing' => 'Label used in the special item of the search suggestions list which gives the user an option to perform a full text search for the term.',

# API errors
'api-error-badaccess-groups' => 'API error message that can be used for client side localisation of API errors.',
'api-error-badtoken' => 'API error message that can be used for client side localisation of API errors.',
'api-error-copyuploaddisabled' => 'API error message that can be used for client side localisation of API errors.',
'api-error-duplicate' => 'API error message that can be used for client side localisation of API errors. Parameters:
* $1 is a number of files
* $2 is a link to a list of duplicate files.',
'api-error-duplicate-archive' => 'API error message that can be used for client side localisation of API errors. Parameters:
* $1 is a number of files
* $2 is a link to a list of duplicate files.',
'api-error-duplicate-archive-popup-title' => 'API error message that can be used for client side localisation of API errors. Parameters:
* $1 is a number of files.',
'api-error-duplicate-popup-title' => 'This message is a pop-up title shown in case one or more files exactly equal to the one just uploaded are already present. The word "duplicate" is an adjective.',
'api-error-empty-file' => 'API error message that can be used for client side localisation of API errors.',
'api-error-emptypage' => 'API error message that can be used for client side localisation of API errors.',
'api-error-fetchfileerror' => 'API error message that can be used for client side localisation of API errors.',
'api-error-fileexists-forbidden' => 'API error message that can be used for client side localisation of API errors.',
'api-error-fileexists-shared-forbidden' => 'API error message that can be used for client side localisation of API errors.',
'api-error-file-too-large' => 'API error message that can be used for client side localisation of API errors.',
'api-error-filename-tooshort' => 'API error message that can be used for client side localisation of API errors.',
'api-error-filetype-banned' => 'API error message that can be used for client side localisation of API errors.',
'api-error-filetype-banned-type' => "API error message that can be used for client side localisation of API errors.

* $1 is the extension(s) of the file which cannot be uploaded
* $2 is the list of file extensions that can be uploaded (Example: ''png, gif, jpg, jpeg, ogg, pdf, svg.'')
* $3 is the number of allowed file formats (to be used for the PLURAL function)
* $4 is the number of extensions that could not be uploaded (to be used for the PLURAL function)",
'api-error-filetype-missing' => 'The word "extension" refers to the part behind the last dot in a file name, that by convention gives a hint about the kind of data format which a files contents are in.',
'api-error-hookaborted' => 'The word "extension" here refers to a [[:mw:Manual:Extensions|MediaWiki Extension]] which extends the functionality of the basic wiki by adding something to its capabilities. "… aborted by an extension" implies that an operation could not be performed successfully or was not allowed to continue to its intended end.',
'api-error-http' => 'API error message that can be used for client side localisation of API errors.',
'api-error-illegal-filename' => 'API error message that can be used for client side localisation of API errors.',
'api-error-internal-error' => 'API error message that can be used for client side localisation of API errors.',
'api-error-invalid-file-key' => 'API error message that can be used for client side localisation of API errors.',
'api-error-missingparam' => 'API error message that can be used for client side localisation of API errors.',
'api-error-missingresult' => 'API error message that can be used for client side localisation of API errors.',
'api-error-mustbeloggedin' => 'API error message that can be used for client side localisation of API errors.',
'api-error-mustbeposted' => 'API error message that can be used for client side localisation of API errors.',
'api-error-noimageinfo' => 'API error message that can be used for client side localisation of API errors.',
'api-error-nomodule' => 'API error message that can be used for client side localisation of API errors.',
'api-error-ok-but-empty' => 'API error message that can be used for client side localisation of API errors.',
'api-error-overwrite' => 'API error message that can be used for client side localisation of API errors.',
'api-error-stashfailed' => 'API error message that can be used for client side localisation of API errors.',
'api-error-timeout' => 'API error message that can be used for client side localisation of API errors.',
'api-error-unclassified' => 'API error message that can be used for client side localisation of API errors.',
'api-error-unknown-code' => 'API error message that can be used for client side localisation of API errors. Parameters:
* $1 may contain more error details.',
'api-error-unknown-error' => 'API error message that can be used for client side localisation of API errors.',
'api-error-unknown-warning' => 'API error message that can be used for client side localisation of API errors. Parameters:
* $1 is an unknown warning.',
'api-error-uploaddisabled' => 'API error message that can be used for client side localisation of API errors.',
'api-error-verification-error' => 'The word "extension" refers to the part behind the last dot in a file name, that by convention gives a hint about the kind of data format which a files contents are in.',

);