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This template is used on approximately 7,400 pages and changes may be widely noticed. Test changes in the template's /sandbox or /testcases subpages, or in your own user subpage. Consider discussing changes on the talk page before implementing them.

Usage

You may append a date to the template in the following format:

((By whom|date=April 2024))

An optional link to a discussion about the concern may be added using:

((By whom|section=Discussion about whom|date=April 2024))

The section argument will be appended to a link to the associated talk page, and displayed as ^{[by whom? – Discuss]}

For ease of use, the optional parameter can also be |talk= or |discuss=.

When to use

This tag is for placement after mention of a vague, third-party claim that is not sourced, such as "considered", "noted as", "nicknamed", "lauded as the world's ..." (best / largest / finest / etc.), "labeled", and the like.

Use this tag when no specific examples of identifiable individuals or groups are named who could be used to verify the statements or beliefs that appear in the tagged passage of the article.

Do not use this tag for material that is already supported by an inline citation. If you want to know who holds that view, all you have to do is look at the source named at the end of the sentence or paragraph. It is not necessary to inquire "By whom?" in that circumstance.

Alternatives

Sometimes, the offending statement should be made more specific by using in-text attribution to identify particular individuals who hold this position, and then either supplied with an inline citation showing that this person or group holds this position, or tagged as needing citation.
Do not use this tag if naming the individuals who hold a position would be silly because of the number. Facts that are widely held should be asserted as simple facts. Do not use in-text attribution to imply that a widely held view is a minority position. Thus, we write simply that "the Earth is round", not "scientists like Suren Ayvazyan, Teki Biçoku, Donald Canfield, Ricardo Cirera, Hartley T. Ferrar, Nicolae Frolov, Khandaker Mosharraf Hossain, Manuel Santillán (and about a million others) say that the Earth is round".
Extremely vague statements ("Alice Expert enjoys broad support") should normally be removed.
Unsourced statements that say or imply something controversial about a living person should be removed immediately.

This tag will categorize tagged articles into Category:Articles with specifically marked weasel-worded phrases.

TemplateData

This is the TemplateData for this template used by TemplateWizard, VisualEditor and other tools. See a monthly parameter usage report for Template:By whom in articles based on its TemplateData.

TemplateData for By whom

Use this tag when no specific examples of identifiable individuals or groups are named who could be used to verify the statements or beliefs that appear in the tagged passage of the article. See [[WP:WEASEL]].

Template parameters[Edit template data]
This template prefers inline formatting of parameters.
Parameter		Description	Type	Status
date	`date`	no description Auto value `((subst:CURRENTMONTHNAME)) ((subst:CURRENTYEAR))`	Date	suggested
section	`section` `talk` `discuss`	no description	Unknown	optional

Maintenance categories

Category:Pages using by whom template with unknown parameters (0)

Inline cleanup tags

Attribution

Clarity

Miscellaneous

Neutrality

Precision

((By how much)) ((Definition)) ((Definition needed)) ((Example needed)) ((Example needed span)) ((Explain)) ((How)) ((How often)) ((Misquoted)) ((Quantify)) ((Specify)) ((Vague)) ((When)) ((Where)) ((Which)) ((Who else)) ((Why)) ((Year needed))
Excessive	((Overly detailed inline)) ((Duplication span)) ((Importance inline)) ((Relevance inline)) ((Undue weight inline)) ((Globalize inline))

Time-sensitivity

Verifiability

Dubious	((Contradictory inline)) ((Disputed inline)) ((Dubious)) ((Dubious span)) ((Inconsistent)) ((Needs independent confirmation)) ((Speculation inline))
Bare URLs	((Bare URL inline)) ((Bare URL non-HTML)) ((Bare URL AV media)) ((Bare URL PDF)) ((Bare URL image)) ((Bare URL DOC)) ((Bare URL plain text)) ((Bare URL spreadsheet))
Incomplete or broken citation	((Author incomplete)) ((Author missing)) ((Date missing)) ((Dead link)) ((Edition needed)) ((Episode needed)) ((Full citation needed)) ((Incomplete short citation)) ((ISBN missing)) ((Moved resource)) ((Page needed)) ((Place missing)) ((Publisher missing)) ((Season needed)) ((Time needed)) ((Title incomplete)) ((Title missing)) ((Volume needed)) ((Year missing))
Missing or problematic reference	((Additional citation needed)) ((Better source needed)) ((Better source needed example)) ((Check quotation)) ((Chronology citation needed)) ((Circular reference)) ((Citation needed)) ((Citation needed span)) ((Citation not found)) ((Close paraphrasing inline)) ((COI source)) ((Deprecated inline)) ((Excessive citations inline)) ((Failed verification)) ((Failed verification span)) ((Image reference needed)) ((Irrelevant citation)) ((Medical citation needed)) ((Medical citation needed span)) ((Nonspecific)) ((Not verified in body)) ((Obsolete source)) ((Page range too broad)) ((Primary source inline)) ((Promotional source)) ((Quote without source)) ((Request quotation)) ((Request quotation span)) ((Retracted)) ((Scientific citation needed)) ((Self-published inline)) ((Tertiary source inline)) ((Third-party inline)) ((Unreliable fringe source)) ((Unreliable medical source)) ((Unreliable source?)) ((Verify quote)) ((Verify source))

Wording

General advice

The above documentation is transcluded from Template:By whom/doc.
Editors can experiment in this template's sandbox and testcases pages.
Add categories to the /doc subpage. Subpages of this template.

Usage

When to use

Alternatives

TemplateData

See also

Maintenance categories