Template:Citation Style documentation/registration: Difference between revisions

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(try to rephrase: I mean that "free" should be used *in particular* for open access articles (but not only for open access articles))
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Citations of online sources that require registration or a subscription are acceptable in Wikipedia as documented in [[WP:PAYWALL|Verifiability – Access to sources]]. As a courtesy to readers and other editors, editors can signal the access restrictions of the external links included in a citation.
<span id="csdoc_access_level"></span>{{tracked|T225430}}Citations of online sources that require registration or a subscription are acceptable in Wikipedia as documented in [[WP:PAYWALL|Verifiability § Access to sources]]. As a courtesy to readers and other editors, editors should signal the access restrictions of the external links included in a citation. {{lang|la|Nota bene}}: access icons do not display correctly for editors who use Modern skin.


Four access levels can be used:
Four access levels can be used:
*[[#Access indicator for named identifiers|access indicator for named identifiers]]:
* [[File:Lock-green.svg|9px|link=|alt=Freely accessible|Freely accessible]] <code>free</code>: the source is free to read for anyone (this applies in particular to articles in open access)
* [[File:Lock-yellow.svg|9px|link=|alt=Free registration required|Free registration required]] <code>registration</code>: a free registration is required to access the source
** [[File:Lock-green.svg|9px|link=|alt=Freely accessible|Freely accessible]] <code>free</code>: the source is free to read for anyone
*[[#Access indicators for url-holding parameters|access indicators for url-holding parameters]]:
⚫
* [[File:Lock-yellow.svg|9px|link=|alt=Free access subject to limited trial, subscription normally required|Free access subject to limited trial, subscription normally required]] <code>limited</code>: there are other constraints (such as a cap on daily views) to freely access this source
* [[File:Lock-red.svg|9px|link=|alt=Paid subscription required|Paid subscription required]] <code>subscription</code>: the source is only accessible via a paid subscription
** [[File:Lock-gray-alt-2.svg|9px|link=|alt=Free registration required|Free registration required]] <code>registration</code>: a free registration is required to access the source
⚫
** [[File:Lock-gray-alt-2.svg|9px|link=|alt=Free access subject to limited trial, subscription normally required|Free access subject to limited trial, subscription normally required]] <code>limited</code>: there are other constraints (such as a cap on daily views) to freely access this source
** [[File:Lock-red-alt-2.svg|9px|link=|alt=Paid subscription required|Paid subscription required]] <code>subscription</code>: the source is only accessible via a paid subscription ("[[paywall]]")


As there are often multiple external links with different access levels in the same citation, these values are attributed to a particular external link.
As there are often multiple external links with different access levels in the same citation, these values are attributed to a particular external link.


=====Access level of {{para|url}}=====
=====Access indicators for url-holding parameters=====
Sources linked by {{para|url}}, {{para|chapter-url}}, {{para|entry-url}}, {{para|article-url}}, and {{para|section-url}} are presumed to be free-to-read. When they are not free-to-read, editors should mark those sources with the matching access-indicator parameter so that an appropriate icon is included in the rendered citation. Because the sources linked by these url-holding parameters are presumed to be free-to-read, they may not be marked as <code>free</code>.
Links inserted with {{para|url}} are expected to be free to read by default. If not, editors can use one of
* {{para|url-access|subscription}}
* {{para|url-access|registration}}
* {{para|url-access|limited}}
to indicate the relevant access restriction.


{| class="wikitable"
⚫
=====Access level of identifiers=====
|+ url-holding and access-indicator parameters
Links inserted by identifiers such as {{para|doi}} are not expected to offer a free full text by default. If they do, editors can use {{para|doi-access|free}} (in the case of {{para|doi}}) to indicate the relevant access level. The following identifiers are supported:
|-
⚫
:* {{para|bibcode}} with {{para|bibcode-access|free}}
! url !! access !! allowed keywords
⚫
:* {{para|doi}} with {{para|doi-access|free}}
|-
⚫
:* {{para|hdl}} with {{para|hdl-access|free}}
| {{para|url}} || {{para|url-access}} || rowspan="6" | <code>registration</code> [[File:Lock-gray-alt-2.svg|9px|link=|alt=Free registration required|Free registration required]]<br /><code>limited</code> [[File:Lock-gray-alt-2.svg|9px|link=|alt=Free access subject to limited trial, subscription normally required|Free access subject to limited trial, subscription normally required]]<br /><code>subscription</code> [[File:Lock-red-alt-2.svg|9px|link=|alt=Paid subscription required|Paid subscription required]]
⚫
:* {{para|jstor}} with {{para|jstor-access|free}}
|-
⚫
:* {{para|ol}} with {{para|ol-access|free}}
:* {{para|osti}} with {{para|osti-access|free}}
| {{para|article-url}} || {{para|article-url-access}}
|-
| {{para|chapter-url}} || {{para|chapter-url-access}}
|-
| {{para|contribution-url}} || {{para|chapter-url-access}}{{dagger}}
|-
| {{para|entry-url}} || {{para|entry-url-access}}
|-
| {{para|section-url}} || {{para|section-url-access}}
|}
{{dagger}}{{para|contribution-url-access}} not currently defined; use its alias {{para|chapter-url-access}}


⚫
=====Access indicator for named identifiers=====
Some identifiers always link to free full texts. In this case, the access level is automatically indicated by the template. This is the case for {{para|arxiv}}, {{para|biorxiv}}, {{para|citeseerx}}, {{para|pmc}}, {{para|rfc}} and {{para|ssrn}}.
Links inserted by named identifiers are presumed to lie behind a paywall or registration barrier – exceptions listed below. When they are free-to-read, editors should mark those sources with the matching access-indicator parameter so that an appropriate icon is included in the rendered citation. Because the sources linked by these named-identifier parameters are not presumed to be free-to-read, they may not be marked as <code>limited</code>, <code>registration</code>, or <code>subscription</code>.


{| class="wikitable"
=====Ambiguous access parameters=====
|+ named-identifier and access-indicator parameters
The parameters {{para|registration|yes}} and {{para|subscription|yes}} can also be used to indicate the access level of a citation. However, they do not indicate which link they apply to, so editors are encouraged to use {{para|url-access|registration}} and {{para|url-access|subscription}} instead, when the restriction applies to {{para|url}}. If the restriction applies to an identifier, these parameters should be omitted.
|-
! identifier!! access !! allowed keywords
|-
| {{para|bibcode}} || {{para|bibcode-access}} || rowspan="6" | <code>free</code> [[File:Lock-green.svg|9px|link=|alt=Freely accessible|Freely accessible]]
|-
⚫
| {{para|doi}} || {{para|doi-access}}
|-
⚫
| {{para|hdl}} || {{para|hdl-access}}{{dagger}}
|-
⚫
| {{para|jstor}} || {{para|jstor-access}}
|-
⚫
| {{para|ol}} || {{para|ol-access}}
|-
⚫
| {{para|osti}} || {{para|osti-access}}
|}


Some named-identifiers are always free-to-read. For those named-identifiers there are no access-indicator parameters, the access level is automatically indicated by the template. These named identifiers are:
These parameters add a link note to the end of the citation:
*{{para|arxiv}}
* '''registration''': For online sources that require registration, set {{para|registration|yes}} (or <code>y</code>, or <code>true</code>); superseded by '''subscription''' if both are set.
*{{para|biorxiv}}
* '''subscription''': For online sources that require a subscription, set {{para|subscription|yes}} (or <code>y</code>, or <code>true</code>); supersedes '''registration''' if both are set.
*{{para|citeseerx}}
Setting {{para|registration}} or {{para|subscription}} to any value other than <code>y</code>, <code>yes</code>, or <code>true</code> will generate an error message.
*{{para|pmc}}
*{{para|rfc}}
*{{para|ssrn}}

Latest revision as of 20:07, 31 May 2021

Template:TrackedCitations of online sources that require registration or a subscription are acceptable in Wikipedia as documented in Verifiability § Access to sources. As a courtesy to readers and other editors, editors should signal the access restrictions of the external links included in a citation. Script error: No such module "Lang".: access icons do not display correctly for editors who use Modern skin.

Four access levels can be used:

As there are often multiple external links with different access levels in the same citation, these values are attributed to a particular external link.

Access indicators for url-holding parameters[edit source]

Sources linked by |url=, |chapter-url=, |entry-url=, |article-url=, and |section-url= are presumed to be free-to-read. When they are not free-to-read, editors should mark those sources with the matching access-indicator parameter so that an appropriate icon is included in the rendered citation. Because the sources linked by these url-holding parameters are presumed to be free-to-read, they may not be marked as free.

url-holding and access-indicator parameters
url access allowed keywords
|url= |url-access= registration Free registration required
limited Free access subject to limited trial, subscription normally required
subscription Paid subscription required
|article-url= |article-url-access=
|chapter-url= |chapter-url-access=
|contribution-url= |chapter-url-access=Template:Dagger
|entry-url= |entry-url-access=
|section-url= |section-url-access=

Template:Dagger|contribution-url-access= not currently defined; use its alias |chapter-url-access=

Access indicator for named identifiers[edit source]

Links inserted by named identifiers are presumed to lie behind a paywall or registration barrier – exceptions listed below. When they are free-to-read, editors should mark those sources with the matching access-indicator parameter so that an appropriate icon is included in the rendered citation. Because the sources linked by these named-identifier parameters are not presumed to be free-to-read, they may not be marked as limited, registration, or subscription.

named-identifier and access-indicator parameters
identifier access allowed keywords
|bibcode= |bibcode-access= free Freely accessible
|doi= |doi-access=
|hdl= |hdl-access=Template:Dagger
|jstor= |jstor-access=
|ol= |ol-access=
|osti= |osti-access=

Some named-identifiers are always free-to-read. For those named-identifiers there are no access-indicator parameters, the access level is automatically indicated by the template. These named identifiers are:

  • |arxiv=
  • |biorxiv=
  • |citeseerx=
  • |pmc=
  • |rfc=
  • |ssrn=
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