 | Thisguidelineis a part of the English Wikipedia's Manual of Style. It is a generally accepted standard that editors should attempt to follow, thoughoccasional exceptionsmay apply. Anysubstantiveedit to this page should reflectconsensus.When in doubt, discuss first on thetalk page. |
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ThisManual of Style(MoSorMOS) is thestyle manualfor all English Wikipediaarticles(thoughprovisions related to accessibilityapply across the entire project, not just to articles). This primary page is supported by furtherdetail pages,which are cross-referenced here and listed atWikipedia:Manual of Style/Contents.If any contradiction arises, this page has precedence.[a]
Editors should write articles using straightforward, succinct, easily understood language and structure articles with consistent, reader-friendly layouts and formatting (which are detailed in this guide).
Where more than one style or format is acceptable under the MoS, one should be used consistently within an article andshould not be changedwithout good reason.Edit warringover stylistic choices is unacceptable.[b]
New content added to this page should directly address a persistently recurring style issue.
Retaining existing styles
Sometimes the MoS provides more than one acceptable style or gives no specific guidance. When either of two styles is acceptable it is generally considered inappropriate for a Wikipedia editor to change from one style to another unless there is some substantial reason for the change.[c]
Edit-warring over style, or enforcing optional style in abot-likefashion without prior consensus,is never acceptable.[b][d]
Unjustified changes from one acceptable,consistently appliedstyle in an article to a different style may generally bereverted.Seekopportunities for commonalityto avoid disputes over style.
If you believe an alternative style would be more appropriate for a particular article, seekconsensusby discussing this at the article's talk page or – if it raises an issue of more general application or with the MoS itself – atWikipedia talk:Manual of Style.If a discussion does not result in consensus for the change at the article, continue to use the already-established style there. If discussion fails to reach a consensus regarding which of two or more competing styles to use at all, then default to the style that was used in the first post-stubversion of the article in which one of the applicable styles appeared. (This fall-back position does not giveunchallengeable primacyto that particular style during consensus discussion, nor give the editor who imposed that earliest styleany more sayin the discussion.)
Article titles, sections, and headings
Article titles
A title should be a recognizable name or description of the topic,balancingthe criteria of being natural, sufficiently precise, concise, and consistent with those of related articles.
For formatting guidance see theWikipedia:Article titles § Article title formatsection, noting the following:
- Capitalize the initial letter (except in rare cases, such aseBay), but otherwise followsentence case[e](Funding of UNESCO projects), not title case (Funding of UNESCO Projects), except where title case would be used in ordinary prose. SeeWikipedia:Naming conventions (capitalization).
- To italicize, add
{{italic title}}near the top of the article. For mixed situations, use, e.g.,{{DISPLAYTITLE:Interpretations of ''2001: A Space Odyssey''}},instead. Use of italics should conform toWikipedia:Manual of Style/Text formatting § Italic type. - Do not usearticles(a,an,orthe) as the first word (Economy of the Second Empire,notThe economy of the Second Empire), unless it is an inseparable part of a name (The Hague) or of the title of a work (A Clockwork Orange,The Simpsons).
- Normally usenounsornoun phrases:Early life,notIn early life.[f]
- The final character should not be punctuation unless it is an inseparable part of a name (Saint-Louis-du-Ha! Ha!,Do Androids Dream of Electric Sheep?) or an abbreviation (Inverness City F.C.), or when a closing round bracket or quotation mark is required (John Palmer(1814 schooner)).
- Whenever quotation marks or apostrophes appear, add aredirectfor the same title using apostrophes.[g]
Subject both to the above and toWikipedia:Article titles,the rest of the MoS, particularly§ Punctuation,applies also to the title.
Section organization
An article's content should begin with an introductorylead section– a concise summary of the article – which is never divided into sections.The remainder of the article is typically divided intosections.
Infoboxes,images, and related content in the lead section must be right-aligned.
Certain standardizedtemplatesandwikicodethat are not sections go at the very top of the article, before the content of the lead section, and in the following order:
- Ashort description,with the
{{Short description}}template - Adisambiguation hatnote,most of the time with the
{{Hatnote}}template - No-output templates that indicate the article's established date format and English-language variety, if any (e.g.,
{{Use dmy dates}},{{Use Canadian English}}) - Banner-type maintenance templates,DisputeandCleanup templatesfor article-wide issues that have been flagged (otherwise used at the top of a specific section, after any sectional hatnote such as
{{main}}) - Aninfobox,which is optional (except in special cases like
{{Taxobox}}and{{Chembox}},or a variant thereof, at applicable articles); usually also includes the first image - An introductory image, when an infobox is not used, or an additional image is desired for the lead section (for unusually long leads, a second image can be placed midway through the lead text)
In theVector 2022skin, thetable of contentsis separate from the article content. In some older skins, a navigable table of contents appears automatically just after the lead if an article has at least four section headings.
If the topic of a section is covered in more detail in a dedicated article,insert{{main|Article name}}or{{further|Article name}}immediately under the section heading.
As explained in detail inWikipedia:Manual of Style/Layout § Standard appendices and footers,several kinds of material (mostly optional) may appear after the main body of the article, in the following order:
- Books or other works created by the subject of the article, under a section heading "Works", "Publications", "Discography", "Filmography", etc. as appropriate (avoid "Bibliography", confusable with reference citations)
- Internal links to related English Wikipedia articles, with section heading "See also"
- Notes and references, with a section heading "Notes" or "References" (usually the latter), or a separate section for each in this order;avoid "Bibliography", confusable with the subject's works
- Relevant books, articles, or other publications that have not been used as sources; use the section heading "Further reading"; be highly selective, asWikipedia is not a bibliographic directory
- Relevantand appropriatewebsites that have not been used as sources and do not appear in the earlier appendices, using the heading "External links", which may be made a subsection of "Further reading" (or such links can be integrated directly into the "Further reading" list instead);link templates for sister-project contentalso usually go at the top of this section when it is present (otherwise in the last section on the page)
- The following final items never take section headings:
- Internal links organized intonavigational boxes
- Authority controlmetadata, if needed, using
{{Authority control}}(distinguishes uses of the same name for two subjects, or multiple names for one subject) - Categories,which should be the very last material in the article's source code if there are no stub templates
- Stub templates,if needed, which should follow the categories
Stand-alone list articleshave some additional layout considerations.
Section headings
Section headings should generally follow the guidance forarticle titles(above), and should be presented insentence case(Funding of UNESCO projects in developing countries), not title case (Funding of UNESCO Projects in Developing Countries).[e]
The heading must be on its own line, with one blank line just before it; a blank line justafteris optional and ignored (but do not usetwoblank lines, before or after, because that will add unwanted visible space).
For technical reasons, section headings should:
- Be unique within a page, so thatsection linkslead to the right place.
- Not containlinks,especially where only part of a heading is linked.
- Not contain images oricons.
- Not contain <math> markup.
- Not contain citations or footnotes.
- Not misusedescription listmarkup ( "
;") to createpseudo-headings. - Not contain template transclusions.
These technical restrictions are necessary to avoid technical complications and are not subject to override by local consensus.
As a matter of consistent style, section headings should:
- Not redundantly refer back to the subject of the article, e.g.,Early life,notSmith's early lifeorHis early life.
- Not refer to a higher-level heading, unless doing so is shorter or clearer.
- Not be numbered or lettered as an outline.
- Not be phrased as a question, e.g.,Languages,notWhat languages are spoken in Mexico?.
- Not use color or unusual fonts that might causeaccessibility problems.
- Not be wrapped inmarkup,which may break their display and cause other accessibility issues.
These are broadly accepted community preferences.
Aninvisible commenton the same line must beinsidethe== ==markup:[h]
==Implications<!--This comment works fine.-->====<!--This comment works fine.-->Implications==
==Implications==<!--This comment causes problems.-->
<!--This comment breaks the heading completely.-->==Implications==It is more usual practice to put such commentsbelowthe heading.
Before changing a heading, consider whether you might be breaking existing links to it. If there are manylinks to the old title,[i]create ananchorwith that title to ensure that these still work. Similarly, when linking to a section, leave an invisible comment at the heading of the target section, naming the linking articles, so that if the heading is later altered these can be fixed. For (a combined) example:
==Implications{{subst:Anchor|Consequences}}==
<!-- Section linked from [[Richard Dawkins]], [[Daniel Dennett]]. -->which will be saved in the article as:
==Implications<span class= "anchor" id= "Consequences" ></span>==
<!-- Section linked from [[Richard Dawkins]], [[Daniel Dennett]]. -->The advantage of using{{subst:Anchor}},or simply inserting the<span>tags directly, is that when edits are made to the section in the future, the anchor will not be included in page history entries as part of the section name. When{{Anchor}}is used directly, that undesirable behaviordoesoccur. Note: if electing to insert the span directly, do not abbreviate it by using a self-closing tag, as in==Implications<span id= "Consequences" />==,since in HTML5 that XML-style syntax is valid only for certain tags, such as<br />.[1]SeeWikipedia:Manual of Style/Linking § Avoiding broken section linksfor further discussion.
Heading-like material
The above guidance about sentence case, redundancy, images, and questions also applies toheaders of tables(and of table columns and rows). However, table headings can incorporate citations and may begin with, or be, numbers. Unlike page headings, table headers do not automatically generate link anchors. Aside from sentence case in glossaries, the heading advice also applies to thetermentries indescription lists.If usingtemplate-structured glossaries,terms will automatically have link anchors, but will not otherwise. Citations for description-list content go in thetermordefinitionelement, as needed.
National varieties of English
National varieties of English (for example,American EnglishorBritish English) differ in vocabulary (elevatorvs.lift ), spelling (centervs.centre), and occasionally grammar.Articles such asEnglish pluralsandComparison of American and British Englishprovide information about such differences. The English Wikipedia prefers no national variety over others.
An article's date formatting (November 30, 2024vs.30 November 2024) is also related to national varieties of English – seeMOS:DATEFORMATand especiallyMOS:DATETIESandMOS:DATEVAR.
Consistency within articles
The conventions of a particular variety of English should be followed consistently within a given article. Exceptions include:
- Quotationsandtitles of works(such as books, films, and music) should be given as they appear in sources. However, there are certain situations where this principle is not followed in order to maintain a level of typographic conformity across the encyclopedia: see§ Typographic conformity.
- Proper namesuse the subject's own spelling, e.g.,joint project of the United States Department of Defense and the Australian Defence Force;International Labour Organization;
- For articles about chemistry-related topics, the international standard spellingsaluminium,sulfur,caesium(and derivative terms) should be used regardless of the variety of English otherwise employed in the article. SeeWikipedia:Naming conventions (chemistry) § Element names.
Opportunities for commonality
For an international encyclopedia, using vocabulary common to all varieties of English is preferable.
- Use universally accepted terms rather than those less widely distributed, especially in titles. For example,glassesis preferred to the national varietiesspectacles(British English) andeyeglasses(American English);ten millionis preferable toone crore(Indian English).
- If a variant spelling appears in a title, make aredirectpage to accommodate the others, as withartefactandartifact,so that all variants can be used in searches and linking.
- Terms that differ between varieties of English, or that have divergent meanings, may beglossedto prevent confusion, for example,the trunk (American English) or boot (British English) of a car....
- Use a commonly understood word or phrase in preference to one that has a different meaning because of national differences (rather thanalternate,usealternativeoralternating,as appropriate), except in technical contexts where such substitution would be inappropriate (alternate leaves;alternate law).
- When more than one variant spelling exists within a national variety of English, the most commonly used current variant should usually be preferred, except where the less common spelling has a specific usage in a specialized context, e.g.,connexioninMethodist connexionalism.
Strong national ties to a topic
An article on a topic that has strong ties to a particular English-speaking nation should use the (formal, not colloquial) English of that nation. For example:
- Afrikaners(South African English)
- American Civil War(American English)
- Australian Defence Force(Australian English)
- Christchurch(New Zealand English)
- Dublin(Hiberno-English)
- Great Fire of London(British English)
- Lagos(Nigerian English)
- Muhammad Ali Jinnah(Pakistani English)
- Mumbai(Indian English)
- Vancouver(Canadian English)
- Wanchai Tower(Hong Kong English)
For topics with strong ties toCommonwealth of Nationscountries and otherformer British territories,useCommonwealth Englishorthography, largely indistinguishable from British English in encyclopedic writing (excepting Canada, which usesa different orthography).
Retaining the existing variety
When an English variety'sconsistent usagehas been established in an article, maintain it in the absence of consensus to the contrary. With few exceptions (e.g., when a topic hasstrong national tiesor the change reduces ambiguity), there is no valid reason for changing from one acceptable option to another.
When no English variety has been established and discussion does not resolve the issue, use the variety found in the first post-stubrevision that introduced an identifiable variety. The established variety in a given article can be documented by placing the appropriatevariety of English templateon its talk page.
An article should not be edited or renamed simply to switch from one variety of English to another.{{subst:uw-engvar}}may be placed on an editor's talk page to explain this.
Capital letters
Wikipedia article titles and section headings use sentence case, not title case; seeWikipedia:Article titlesand§ Section headings.For capitalization of list items, see§ Bulleted and numbered lists.Other points concerning capitalization are summarized below. Full information can be found atWikipedia:Manual of Style/Capital letters.The central point is that Wikipedia does not capitalize something unless it is consistently capitalized in a substantial majority of independent,reliable sources.
Capitalization ofThe
Generally, do not capitalize the wordthein mid-sentence:throughout the United Kingdom,notthroughout The United Kingdom.Conventional exceptions include certain proper names (he visited The Hague) and most titles of creative works (Tolkien wroteThe Lord of the Rings– but be aware thatthemight not be part of the title itself, e.g.,Homer composed theOdyssey).
There are special considerations for:band names·institution names·nicknames·titles of works·trademarks.
Titles of works
The English-language titles of compositions (books and other print works, songs and other audio works, films and other visual media works, paintings and other artworks, etc.) are given intitle case,in which every word is given an initial capital except for certain less important words (as detailed atWikipedia:Manual of Style/Capital letters § Composition titles). The first and last words in an English-language title are always capitalized.
- Correct:An Eye for an Eye
- Correct:Worth the Fighting For
Capitalization in non-English language titles varies, even over time within the same language; generally, retain the style of the original for modern works, and follow the usage in current[j]English-language reliable sources for historical works. When written in the Latin Alpha bet, many of these items should also be initalics,or enclosed inquotation marks.
- Correct:Les Liaisons dangereuses
- Correct:"Hymnus an den heiligen Geist"
Titles of people
- In generic use,use lower case for words such aspresident,king,andemperor(De Gaulle was a French president;Louis XVI was a French king;Three prime ministers attended the conference).
- Directly before the person's name,such words begin with a capital letter (President Obama,notpresident Obama). Standard or commonly used names of an office are treated as proper names (David Cameron was Prime Minister of the United Kingdom;Hirohito was Emperor of Japan;Louis XVI was King of France). Royal styles take capitals (Her Majesty;His Highness); exceptions may apply for particular offices.
Religions, deities, philosophies, doctrines
- Religions, sects, and churchesand their followers (in noun or adjective form) start with a capital letter. Generally, "the" is not capitalized before such names (the Unitarians,notThe Unitarians).
- Religious textsare capitalized, but often not italicized (the Bhagavad Gita,the Quran,the Talmud,the Granth Sahib,the Bible). Do not capitalize "the" when using it in this way. Some derived adjectives are capitalized by convention, and some are not (biblical,butQuranic); if unsure, check a dictionary.
- Honorificsfor deities,including proper names and titles, start with a capital letter (God,Allah,the Lord,the Supreme Being,the Great Spirit,the Horned One,Bhagavan). Do not capitalize "the" in such cases or when referring to major religious figures or characters from mythology (the Prophet,the Messiah,the Virgin). Common nouns for deities and religious figures are not capitalized (many gods;the god Woden;saints and prophets).
- Pronouns for figures of veneration or worshipare not capitalized, even if capitalized in a religion's scriptures (God and his will).
- Broad categories of mythical or legendary beingsstart with lower-case letters (elf,fairy,nymph,unicorn,angel), although in works of fantasy, such as the novels ofJ. R. R. Tolkienand some video games, initial capitals are sometimes used to indicate that the beings form a culture or race in afictional universe.Capitalize the names or titles of individual creatures (the Minotaur,Pegasus) and of groups whose name and membership are fixed (the Magi, or the Three Wise Men,the Furies). Generalized references are not capitalized (these priests;several wise men;cherub-like).
- Spiritual or religious eventsare capitalized only when referring to specific incidents or periods (the Great Floodandthe Exodus;butannual floodingandan exodus of refugees).
- Philosophies, theories, movements, and doctrinesuse lower case unless the name derives from a proper name (capitalism versus Marxism) or has become a proper name (republican,a system of political thought;Republican,a political party). Use lower case for doctrinal topics or canonical religious ideas (as opposed to specific events), even if they are capitalized by some religious adherents (virgin birth,original sin,transubstantiation).
- Platonicor transcendent idealsare capitalized in the context of philosophical doctrine (Truth,the Good); used more broadly, they are in lower case (Superman represents American ideals of truth and justice). Use capitals for personifications represented in art (the guidebook mentioned statues of Justice and Liberty).
- Eponymsare capitalized (Edwardian,De Morgan's laws,Alice in Wonderland syndrome,plaster of Paris,Platonic idealism,Draconian constitution of Athens), except in idiomatic uses disconnected from the original context and usually lower-cased in sources (a platonic relationship;complained of draconian workplace policies).[k]An entire phrase in which an eponym is an adjectiveis not capitalizedexcept when the phrase is itself a proper name (e.g., thetitle of a published work:The China Syndrome).
Calendar items
- Months, days of the week, and holidaysstart with a capital letter (June,Monday;the Fourth of Julyrefers only to the US Independence Day – otherwiseJuly 4or4 July).
- Seasonsare in lower case (her last summer;the winter solstice;spring fever), except in personifications or in proper names for periods or events (Old Man Winter;competed on the Spring Circuit).
Animals, plants, and other organisms
When usingtaxonomic ( "scientific" ) names,capitalize and italicize the genus:Berberis,Erithacus.(Supergenus and subgenus, when applicable, are treated the same way.) Italicize but do not capitalize taxonomic ranks at the level of species and below:Berberis darwinii,Erithacus rubecula superbus,Acacia coriaceasubsp.sericophylla;no exception is made for proper names forming part of scientific names. Higher taxa (order, family, etc.) are capitalized in Latin (Carnivora,Felidae) but not in their English equivalents (carnivorans,felids); they are not italicized in either form, except for viruses, where all names accepted by theICTVare italicized (Retroviridae).
Cultivarandcultivar groupnames of plants are not italicized, and are capitalized (including the wordGroupin the name); cultivar names appear within single quotes (Malus domestica'Red Delicious'), while cultivar groups do not (Cynara cardunculusScolymus Group).
Englishvernacular ( "common" ) namesare given in lower case in article prose (plains zebra,mountain maple,andsouthwestern red-tailed hawk) and in sentence case at the start of sentences and in other places where the first letter of the first word is capitalized.[e]They are additionally capitalized where they contain proper names:Przewalski's horse,California condor,andfair-maid-of-France.This applies to species and subspecies, as in the previous examples, as well as to general names for groups or types of organism:bird of prey,oak,great apes,Bryde's whales,livestock guardian dog,poodle,Van cat,wolfdog.When the common name coincides with a scientific taxon, do not capitalize or italicize, except where addressing the organism taxonomically:A lynx is any of the four medium-sized wild cat species within the genusLynx.Non-English vernacular names, when relevant to include, are handled like any other non-English terms: italicized as such, and capitalized only if the rules of the native language require it. Non-English names that have become English-assimilated are treated as English (ayahuasca,okapi).
Standardized breedsshould generally retain the capitalization used in the breed standards.[l]Examples:German Shepherd,Russian White goat,Berlin Short-faced Tumbler.As with plant cultivars, this applies whether or not the included noun is a proper name, in contrast to how vernacular names of species are written. However, unlike cultivars, breeds are never put in single quotation marks, and their names are never part of a scientific name. A species term appended at the end for disambiguation ( "cat", "hound", "horse", "swine", etc.) should not be capitalized, unless it is a part of the breed name itself and is consistently presented that way in the breed standards (rare cases includeNorwegian Forest CatandAmerican Quarter Horse).
Createredirectsfrom alternative capitalization and spelling forms of article titles, and from alternative names, e.g.,Adélie Penguin,Adelie penguin,Adelie PenguinandPygoscelis adeliaeshould all redirect toAdélie penguin.
Celestial bodies
The wordssun,earth,moon,andsolar systemdo not take capitals in general use (The sun was over the mountain top;The tribal people thought of the whole earth as their home). They are capitalized when the entity is personified (Sol Invictus ('Unconquered Sun') was the Roman sun god) or when used as the name of a specific body in a scientific or astronomical context (The Moon orbits the Earth;butIo is a moon of Jupiter).
Names of planets, moons, asteroids, comets, stars, constellations, and galaxies are proper names, and therefore capitalized (The planet Mars is in the constellation Gemini, near the star Pollux). The first letter of every word in such a name is capitalized (Alpha Centauriand notAlpha centauri;Milky Way,notMilky way). Words such ascometandgalaxyshould be capitalized when they form part of a proper name, but not when they are used as a generic term (Halley's Comet is the most famous of the comets;The Andromeda Galaxy is a spiral galaxy).
Compass points
Do not capitalizedirectionssuch asnorthor their related forms (We took the northern road) except when they are parts of proper names (Great North Road,Great Western Drive,South Pole).
Capitalizenames of regionsif they have attained proper-name status, including informal conventional names (Southern California;the Western Desert), and derived terms for people (e.g., aSoutherneras someone from theSouthern United States). Do not capitalize descriptive names for regions that have not attained the status of proper names, such assouthern Poland.
Composite directions may or may not be hyphenated, depending on thevariety of English adoptedin the article.Southeast Asiaandnorthwestare more common in American English; butSouth-East Asiaandnorth-westin British English. In cases such asnorth–south dialogueandeast–west orientation,use an en dash; see§ En dashes: other uses.
Proper names versus generic terms
Capitalize names of particular institutions (the founding of the University of Delhi;the history of Stanford University) but not generic words for institutions (the high school is near the university). Do not capitalizetheat the start of an institution's name, regardless of the institution's preferred style. There are rare exceptions, when a leadingTheis represented by aTin the organization's acronym:The International Cat Association (TICA).
Treat political or geographic units similarly:The city has a population of 55,000;The two towns merged to become the City of Smithville.Do not mimic the style of local newspapers which refer to their municipality asthe CityorThe City;an exception is theCity of London,referred to asthe Cityin a context that already makes the subject clear, as distinct fromLondonandGreater London.When in doubt, use the full name foraccessibilityreasons; users of text-to-speech systems usually cannot hear a difference betweencityandCity.
Ligatures
Ligaturesshould be used in languages in which they are standard (henceMoreau's last words wereclin d'œilis preferable toMoreau's last words wereclin d'oeil) but not in English (encyclopediaorencyclopaedia,notencyclopædia), except in proper names (Æthelstan,notAethelstan).
Abbreviations
Abbreviations are shortened forms of words or phrases. In strict analysis, they are distinct fromcontractions,which use anapostrophe(e.g.,won't,see§ Contractions), andinitialisms.An initialism is formed from some or all of the initial letters of words in a phrase. Below, references to abbreviations should be taken to include acronyms, and the termacronymto apply also to initialisms.
Write first occurrences in full
When an abbreviation will be used in an article, first introduce it using the full expression:
Do not use capitals in the full version merely because capitals are used in the abbreviation:an early Local Area Network (LAN).
Except in special circumstances, common abbreviations (such asPhD,DNA,USSR) need not be expanded even on first use.
Plural forms
Pluralizeacronymsby adding-sor-es:Three CD-ROMs and two BIOSes were released.Do notuse apostrophes to form plurals:Three CD-ROM's and two BIOS's were released.
Punctuation and spacing
An abbreviation may or may not be terminated with a full point (also called aperiodorfull stop). A consistent style should be maintained within an article. North American usage is typically to end all abbreviations with a period/point (Dr. Smith of 42 Drummond St.) but in common British and Australian usage, no period/point is used if the abbreviation (contraction) ends in the last letter of the unabbreviated form (Dr Smith of 42 Drummond St) unless confusion could result. This is also common practice in scientific writing. Regardless of punctuation, words that are abbreviated to more than one letter are spaced (op. cit.notop.cit.oropcit). There are some exceptions:PhDfor "Philosophiae Doctor";BVetMedfor "Bachelor of Veterinary Medicine". In most situations, Wikipedia uses no such punctuation inside acronyms and initialisms:GDP,notG.D.P.
US and U.S.
USis a commonly used abbreviation forUnited States,althoughU.S.– with periods and without a space – remains common in North American publications, including in news journalism. Multiple American style guides, includingThe Chicago Manual of Style(since 2010), now deprecate "U.S." and recommend "US".
Forcommonalityreasons, useUSby default when abbreviating, butretainU.S.in American or Canadian English articles in which it is already established, unless there is a good reason to change it. Because use of periods for abbreviations and acronyms should be consistent within any given article, useUSin an article with other country abbreviations, and especially avoid constructions likethe U.S. and the UK.In longer abbreviations that incorporate the country's initials (USN,USAF), never use periods. When the United States is mentioned with one or more other countries in the same sentence,US(orU.S.) may be too informal, especially at the first mention or as a noun instead of an adjective (France and the United States,notFrance and the US). Do not use the spacedU. S.or the archaicU.S. of A.,except when quoting. Do not useU.S.A.orUSAexcept in a quotation, as part of a proper name (Team USA), or in certain technical and formal uses (e.g., theISO 3166-1 Alpha -3,FIFA,andIOC country codes).
Circa
To indicateapproximately,the use of{{circa}},showing asc.,is preferred over circa, c., ca., or approx.
Avoid unwarranted use
Avoid abbreviations when they might confuse the reader, interrupt the flow, or appear informal. For example:
- Do not useapprox.forapproximate(ly)except in an infobox or table (in which case use
{{abbr|approx.|approximately}}at first occurrence:approx.). - Do not use the legalismSmith JforJustice Smith.
Do not invent
Avoid devisingnew abbreviations,especially acronyms. For example,World Union of Billiardsis good as atranslationofUnion Mondiale de Billard,but neither it nor the reductionWUBis used by the organization or by independent sources; use the original name and its official abbreviation,UMB.
If it is necessary to abbreviate in a tight space, such as acolumn header in a table,use widely recognized abbreviations. For example, forNew Zealand gross national product,useNZandGNP,with a link if the term has not already been written out in the article:NZGNP.Do not make up initialisms such asNZGNP.
HTML tags and templates
Either<abbr>or{{abbr}}can be used for abbreviations and acronyms:<abbr title= "World Health Organization" >WHO</abbr>or{{abbr|WHO|World Health Organization}}will generateWHO;hoveringover the rendered text causes atooltipof the long form to pop up.
Ampersand
In normal text and headings, useandinstead of theampersand(&):January 1 and 2,notJanuary 1 & 2.But retain an ampersand when it is a legitimate part of the style of a proper noun, the title of a work, or a trademark, such as inUp & DownorAT&T.Elsewhere, ampersands may be used with consistency and discretion where space is extremely limited (e.g., tables and infoboxes). Quotationsmay be cautiously modified,especially for consistency where different editions are quoted, as modern editions of old texts routinely replace ampersands withand(just as they replace other disusedglyphs,ligatures,and abbreviations). Another frequent permissible but not required use is in short bibliographic references to works by multiple authors, e.g.:<ref>Lubbers & Scheepers (2002); Van Hiel & Mervielde (2002); Swyngedouw & Giles (2007); Van Hiel (2012).</ref>.
Italics
Emphasis
Italics are used for emphasis, rather thanboldfaceorcapitals.But overuse diminishes its effect; consider rewriting instead.
Use<em>...</em>or{{em|...}}for emphasis. This allowsuser style sheetsto handle emphasis in a customized way, and helps reusers and translators.[2]
- Correct:
The meerkat is <em>not</em> actually a cat. - Correct:
The meerkat is {{em|not}} actually a cat.
Titles
Use italics for the titles of works (such as books, films, television series, named exhibitions, computer games, music albums, and artworks). The titles of articles, chapters, songs, episodes, storylines, research papers and other short works instead take double quotation marks.
Italics are not used for major religious works (the Bible,the Quran,the Talmud). Many of these titles should also be intitle case.
Words as words
Use italics whenmentioninga word or characteror a string of words up to one sentence (the termpanningis derived frompanorama;the most common letter in English ise). When a whole sentence is mentioned, double quotation marks may be used instead, with consistency (The preposition inShe sat on the chairison;orThe preposition in "She sat on the chair" is "on"). Quotation marks may also be used for shorter material to avoid confusion, such as when italics are already heavily used in the page for another purpose (e.g., for many non-English words and phrases).Mentioning(to discuss grammar, wording, punctuation, etc.) is different fromquoting(in which something is usually expressed on behalf of a quoted source). Quotation is done with quotation marks, never italics, nor both at once
A closely related use of italics is when introducing or distinguishing terms:Thenatural numbersare the integers greater than 0.
Non-English words
Italics are indicated for non-English phrases and isolated non-English words that are not commonly used in everyday English. However, proper names (such as place names) in other languages are not usually italicized, nor are terms in non-Latin scripts. The{{lang}}template and its variants support allISO 639language codes, correctly identifying the language and automatically italicizing for you. Please use these templates rather than just manually italicizing non-English material.
Scientific names
Use italics for the scientific names of plants, animals, andall other organismsexcept viruses at thegenuslevel and below (italicizePanthera leoandRetroviridae,but notFelidae). The hybrid sign is not italicized (Rosa×damascena), nor is the "connecting term" required inthree-part botanical names(Rosa gallicasubsp.officinalis).
Quotations in italics
Do not put quotations in italics.Quotation marks(orblock quoting) alone are sufficient and the correct ways to denote quotations. Italics should only be used if the quoted material would otherwise call for italics. (See below.)
Italics within quotations
Use italics within quotations to reproduce emphasis that exists in the source material or to indicate the use of non-English words. The emphasis is better done with{{em}}.If it is not clear that the source already included italics (or some other styling) for emphasis, or to indicate when emphasis was not used in the original text but was editorially added later, add the editorial note[emphasis in original]or[emphasis added],respectively, after the quotation.
- For example:"Now cracks a noble heart. Good night sweet prince: Andflights of angelssing thee to thy rest. "[emphasis in original].
Effect on nearby punctuation
Italicize only the elements of the sentence affected by the emphasis. Do not italicize surrounding punctuation.
- Incorrect:What are we to make ofthat?(The question mark applies to the whole sentence, not just to the emphasizedthat,so it should not be italicized.)
- Correct:What are we to make ofthat?
- Correct:Four of Patrick White's most famous novels areA Fringe of Leaves,The Aunt's Story,Voss,andThe Tree of Man.(The commas, the period, and the wordandare not italicized.)
Quotations
Brief quotations of copyrighted textmay be used to illustrate a point, establish context, or attribute a point of view or idea. While quotations are an indispensable part of Wikipedia, try not to overuse them. Using too many quotes is incompatible with an encyclopedic writing style and may becopyright infringement,and so most of the content should be in the editor's own words. Consider paraphrasing quotations into plain and concise text when appropriate (while being aware thatclose paraphrasingcan still violate copyright).It is incorrect to put quotations in italicsunless the material would be italicized for some other reason.
Perthe verifiability policy,direct quotationsmustbe accompanied by aninline citationfrom areliable sourcethat supports the material. This is especially important in articles that are about or contain material aboutliving or recently deceased people(BLPs).
Original wording
Quotations must beverifiablyattributed, and the wording of the quoted text must be faithfully reproduced. This is referred to as theprinciple of minimal change.Where there is good reason to change the wording, bracket the changed text; for example,"Ocyrhoe told him his fate"might be quoted as"Ocyrhoe told [her father] his fate".If there is a significant error in the original, follow it with{{sic}}(producing[sic] ) to show that the error was not made by Wikipedia. However, insignificant spelling and typographic errors should simply be silently corrected (for example, correctbasiclytobasically). When applied to linked titles appearing between<ref>...</ref>tags, title parameters in citation templates, or similar text that is linked, the syntax of the template may be adjusted to{{sic|nolink=y}}(producing [sic] in the resulting linked text). For the sake of accuracy and inde xing, the titles of referenced sources should not be corrected for spelling, but minor typographic corrections (like changingcurly quotesto straight) may be made silently.
Useellipsesto indicate omissions from quoted text. Legitimate omissions include extraneous, irrelevant, or parenthetical words, and unintelligible speech (ummandhmm), but do not omit text where doing so would remove important context or alter the meaning of the text. Vulgarities and obscenities should be shown exactly as they appear in the quoted source; Wikipedians shouldnever bowdlerize words(G-d d--m it!), but if the text being quoteditselfdoes so, copy the text verbatim and use{{sic}}to indicate that the text is quoted as shown in the source.
In direct quotations, retain dialectal and archaic spellings, including capitalization (but not archaic glyphs and ligatures, as detailed below in§ Typographic conformity).
Point of view
Quotation should be used, with attribution, to present emotive opinions that cannot be expressed in Wikipedia's own voice, but never to present cultural norms as simply opinional:
- Acceptable:Siskel and Ebert called the film "unforgettable".
- Unacceptable:The site is considered "sacred" by the religion's scriptures.
Concise opinions that are not overly emotive can often be reported with attribution instead of direct quotation. Use of quotation marks around simple descriptive terms canimply something doubtfulregarding the material being quoted; sarcasm orweasel wordssuch assupposedlyorso-called,might be inferred.
- Permissible:Siskel and Ebert called the film interesting.
- Unnecessary and may imply doubt:Siskel and Ebert called the film "interesting".
- Should be quoted:Siskel and Ebert called the film "interesting but heart-wrenching".
Typographic conformity
A quotation is not afacsimileand, in most cases, it is not a requirement that the original formatting be preserved. Formatting and other purely typographical elements of quoted text[m]should be adapted to English Wikipedia's conventions without comment, provided that doing so will not change or obscure meaning or intent of the text. These are alterations which make no difference when the text is read aloud, for example:
- Normalize dashes and hyphens: see§ Dashes.Use the style chosen for the article: unspacedem dashor spaceden dash.
- Convert apostrophes and quotation marks to Wikipedia's style:
- These should be straight, not curly or slanted. See§ Quotation marks.
- When quoting a quotation that itself contains a quotation, alternate between using double and single quotes for each quotation. See§ For a quotation within a quotationfor details.
- When quoting text from non-English languages, the outer punctuation should followthe Manual of Style for English quote marks.If there are nested quotations, follow the rules for correct punctuation in that language. If there are multiple styles for a language, the one used by the Wikipedia for that language is preferred unless the punctuation itself is under discussion.
- The cynical response "L'auteur aurait dû demander: « à quoi sert-il d'écrire ceci? » mais ne l'a pas fait"was all he wrote.
- Remove spaces before punctuation such as periods and colons.
- Generally preserve bold and italics,but most other styling should be altered.Underlining,spac ingwithin words,colors,ALL CAPS,small caps,etc. should generally be normalized to plain text. If itclearlyindicates emphasis, use italicemphasis(
{{em}}) or, in an already-italic passage, boldface (with{{strong}}). For titles of books, articles, poems, and so forth, use italics or quotation marks followingthe guidance for titles.Italics can also be added to mark upnon-English terms(with the{{lang}}template), for anorganism's scientific name,and to indicate awords-as-wordsusage. - Expand an abbreviation (not already used in the content before the quotation) as a square-bracketed change, or explain it using
{{abbr}}. - Normalize archaic glyphs and ligatures in English that are unnecessary to the meaning. Examples includeæ→ae,œ→oe,ſ→s,andþe→the.
However, national varieties should not be changed, as these may involve changes in vocabulary. For example, a quotation from a British source should retain British spelling, even in an article that otherwise uses American spelling.Numbers also usuallyshould not be reformatted.
Direct quotation should not be used to preserve the formatting preferred by an external publisher (especially when the material would otherwise be unchanged), as this tends to have the effect ofscare-quoting:
- Acceptable:The animal is listed as endangered on the IUCN Red List of Threatened Species.
- Unacceptable:The animal is listed as "Endangered" on the IUCN Red List of Threatened Species.
Italics can be used to mark a particular usage as aterm of art(a case of "words as words"), especially when it is unfamiliar or should not be reworded by a non-expert:
- Permissible:The animal is listed ascritically endangeredon the IUCN Red List of Threatened Species.
When quoting a complete sentence, it is usually recommended to keep the first word capitalized. However, if the quoted passage has been integrated into the surrounding sentence (for example, with an introduction such as "Xsaid that "), the original capital letter may be lower-cased.
- LaVesque's report stated: "The equipment was selected for its low price. This is the primary reason for criticism of the program."
- LaVesque's report said that "the equipment was selected for its low price".
- The program was criticized primarily because "the equipment was selected for its low price", according to LaVesque.
It is normally unnecessary to explicitly note changes in capitalization. However, for more precision, the altered letter may be put inside square brackets:"The" → "[t]he".
- The program was criticized primarily because"[t]heequipment was selected for its low price ", according to LaVesque.
Attribution
The reader must be able to determine the source of any quotation, at the very least via a footnote. The source must be namedin article textif the quotation is an opinion.When attributing a quotation, avoidcharacterizing it in a biased manner.
Quotations within quotations
See§ For a quotation within a quotation.
Linking
Be conservative when linking within quotations; link only to targets that correspond to the meaning clearly intended by the quote's author. Where possible, link from text outside of the quotation instead – either before it or soon after. (If quotinghypertext,add an editorial note,[link in original]or[link added],as appropriate, to avoid ambiguity as to whether the link was made by the original author.)
Block quotations
Format a long quote (more than about forty words or a few hundred characters, or consisting of more than one paragraph, regardless of length) as ablock quotation,indented on both sides. Block quotations should be enclosed in{{blockquote}}.
Do not enclose block quotations in quotation marks (and especially avoid large, decorative quotation marks; those provided by the{{cquote}}template have been disabled in mainspace). Block quotations using a colored background are also discouraged.
Use{{blockquote}}and so on only for actual quotations;indentation for other purposesis done differently.
It is conventional to precede a block quotation with an introductory sentence (or sentence fragment) and append the source citation to that line. Alternatively, the{{blockquote}}template provides parameters for attribution and citation which will appear below the quotation.This below-quotation attribution style is intended for famous quotations and is unusual in articles because it may strike an inappropriate tone. A quotation with no cited source should be flagged with{{quote without source}},or deleted.
Line breaks and indentation inside a{{blockquote}}or<blockquote>are generally ignored; use<poem>or{{poem quote}}for poetry, lyrics, and similar material:
{{blockquote|<poem>
What this grim, ungainly, ghastly, gaunt, and ominous bird of yore
Meant in croaking "Nevermore."
</poem>}}
This gives:
What this grim, ungainly, ghastly, gaunt, and ominous bird of yore
Meant in croaking "Nevermore."
Or quote such material inline, with line breaks indicated by{{nbsp}}/,and paragraph or stanza breaks by{{nbsp}}//.
Pull quotesdo not belong in Wikipedia articles. These are thenews and magazine styleof "pulling" material already in the article to reuse it in attention-grabbing decorative quotations. This unencyclopedic approach is a form ofeditorializing,producesout-of-contextandundue emphasis,and maylead the reader to conclusionsnot supported in the material.
Non-English quotations
Quotations from non-English language sources should appear with a translation into English, preferably a modern[j]one. Quotations that are translations should be explicitly distinguished from those that are not. Indicate the original source of a translation (if it is available, and not first published within Wikipedia), and the original language (if that is not clear from the context).
If the original, untranslated text is available, provide a reference for it or include it, as appropriate.
When editors themselves translate text into English, care must always be taken to include the original text,in italics(except for non-Latin-based writing systems, and best done with the{{lang}}template which both italicizes as appropriate and provides language metadata); and to use actual and (if at all possible) common English words in the translation. Unless you are certain of your competency to translate something, seeWikipedia:Translationfor assistance.
Punctuation
Apostrophes
- Use straight apostrophes ('), not curly apostrophes (’).[g]Do not use accent marks or backticks (`) as apostrophes.
- Templates such as
{{'}}and{{'s}}are helpful when an apostrophe (or single quote) appears at the beginning or end of text in italics or bold, because italics and bold are themselves indicated by sequences of single quotes. Example:Dynasty'sfirst season(markup:''Dynasty''{{'s}} first season). - Letters resembling apostrophes, such as theʻokina(ʻ–markup:
{{okina}}),saltillo(ꞌ–markup:{{saltillo}}),Hebrew ayin or Arabic ʿayn(ʽ–markup:{{ayin}}) and Arabichamza(ʼ–markup:{{hamza}}), should be represented by those templates or by theirUnicodevalues.- Templates cannot be used in article titles; if necessary, use the corresponding Unicode character directly. PerWP:TITLESPECIALCHARACTERS,also make a redirect from the ASCII form to aid searches. Forms without apostrophe-like characters are sometimes preferred byWP:COMMONNAME(e.g.Hawaiibut notKealiʻi Reichel).
- ForWade–Gilesromanizations of Mandarin Chinese, use
{{wg-apos}}. - For languages withejective consonantsand the like, use
{{hamza}}. - For the Cyrillicsoft sign,when indicated at all, use
{{softsign}}or{{hamza}}. - For usage of the possessive apostrophe, see§ Possessives.
- For further treatment of apostrophe usage (possessive, elision, formation of certain plurals, non-English language issues) see the articleApostrophe.
Quotation marks
In the material below, the termquotationincludes conventional uses of quotation marks such as for titles of songs, chapters, episodes, and so on. Quotation marks are also used in other contexts, such as incultivar names.
Quotation characters
- Use"straight"quotation marks, not“curly”ones. (For single-apostrophe quotes:'straight',not‘curly’.)[g]
- Do not use accent marks, backticks (`text´), low-high („ “) orguillemet(« ») marks as quotation marks (except when such marks areinternalto quoted non-English text – see§ Typographic conformity). The symbols′and″seen in edit window dropdowns areprimeand double prime: these are used to designateunits of angular measurement,and not as apostrophes or quote marks.
- Quotation marks and apostrophes in imported materialshould be changedif necessary to comply with the above.
Double or single
Most quotations take double quotation marks (Bob said: "Jim ate the apple.").[n] Exceptions:
- Plant cultivars take single quotation marks (Malus domestica'Golden Delicious';seeWikipedia:Naming conventions (flora)).
- Glossesthat translate or define unfamiliar terms take single quotes; simple glosses require no comma before the definition (Turkicqazaq'freebooter' is the root ofCossack;republiccomes from Latinres publica,loosely meaning 'public affair'.). The{{Gloss}}template can be used for this; e.g.
{{lang|es|casa}}{{gloss|house}}yields:casa'house'.
For a quotation within a quotation
Use single quotes:
- Darwin wrote in his introduction that "the maxim 'de minimis lex non curat' does not apply to science".
For deeper nesting, alternate between single and double quotes:
- He said, "That book asserts, 'Confucius said" Everything has beauty, but not everyone sees it."'"
For quote marks in immediate succession, add a sliver of space by using{{"'}},{{' "}},or (as in the example just given){{"'"}}:
- He announced, "The answer was 'Yes!'"Markup:
He announced, "The answer was 'Yes!{{' "}} - He announced, "The answer was 'Yes!'"(simply jamming things together looks awful in most fonts)
- He announced, "The answer was 'Yes!'"(a regular space is too much)
Article openings
In the bolded text typically appearing at the opening of an article:
- Any quotation marks that are part of the title should be in bold just like the rest of the title.
- From"A" Is for Alibi:"A" Is for Alibiis a mystery novel...
- Quotation marksnotpart of the article title should not be bolded.
- FromJabberwocky:"Jabberwocky"is a nonsense poem...
- FromBabe Ruth:George Herman"Babe"Ruthwas an American baseball player...
Punctuation before quotations
If a non-quoted but otherwise identical construction would work grammatically without a comma, using a comma before a quotation embedded within a sentence is optional:
- The report stated "There was a 45% reduction in transmission rate."(Cf.the non-quotationThe report stated there was a 45% reduction in transmission rate.)
- The report stated, "There was a 45% reduction in transmission rate."
The comma-free approach is often used with partial quotations:
- The report observed "a 45% reduction in transmission rate".
A comma is required when it would be present in the same construction if none of the material were a quotation:
- In Margaret Mead's view, "we must recognize the whole gamut of human potentialities" to enrich our culture.
Do not insert a comma if it would confuse or alter the meaning:
- Caitlyn Jenner expressed concerns about children "who are coming to terms with being true to who they are".(Accurate quote of a statement aboutsomechildren – specifically those children "who are coming to terms... ")
- Caitlyn Jenner expressed concerns about children, "who are coming to terms with being true to who they are".(Changes the meaning to imply Jenner was expressing concern aboutallchildren, while separately observing that children, in general, "are coming to terms... ")
It is clearer to use a colon to introduce a quotation if it forms a complete sentence, and this should always be done for multi-sentence quotations:
- The report stated: "There was a 45% reduction in transmission rate."
- In a letter to his son, Albert Einstein wrote: "Life is like riding a bicycle. To keep your balance you must keep moving."
No additional punctuation is necessary for an explicitwords-as-wordsscenario:
- The message was unintelligible except for the fragments "help soon" and "how much longer before".
Names and titles
Quotation marks should be used for the following names and titles:
- Articles and chapters (books and periodicals italicized)
- Short stories (books and periodicals italicized)
- Sections of musical pieces (pieces italicized)
- Individual strips from comics and webcomics (comics italicized)
- Poems (long or epic poems italicized)
- Songs (albums, song cycles, operas, operettas, and oratorios italicized)
- Individual episodes of television and radio series andserials(series title italicized)[o]
Correct:The Beatles wrote "Lucy in the Sky with Diamonds" for their albumSgt. Pepper's Lonely Hearts Club Band.
Do not use quotation marks or italics for:
- Ancient writings
- Concert tours
- Locations
- Myths and epics
- Prayers
Many, but not all, of the above items should also be intitle case.
Punctuation inside or outside
Use thelogical quotationstyle in all articles, regardless of the variety of English in which they are written. Include terminal punctuation within the quotation marks only if it was present in the original material, and otherwise place it after the closing quotation mark. For the most part, this means treating periods and commas in the same way as question marks: keep them inside the quotation marks if they apply only to the quoted material and outside if they apply to the whole sentence. Examples are given below.
- Correct:Did Darla say, "Here I am"?(question mark applies to whole sentence)
- Incorrect:Did Darla say, "Here I am?"(incorrect to apply the question mark to the quotation)
- Correct:Darla said, "Where am I?"(question mark applies to quoted material only)
If the quotation is a single word or a sentence fragment, place the terminal punctuation outside the closing quotation mark. When quoting a full sentence, the end of which coincides with the end of the sentence containing it, place terminal punctuation inside the closing quotation mark.
- Miller wanted, he said, "to create something timeless".
- Miller said: "I wanted to create something timeless."
If the quoted sentence is followed by aclausethat should be preceded by a comma, omit thefull stop(period), and do not replace it with a commainsidethe quotation.[p]Other terminal punctuation, such as a question mark or exclamation mark, may be retained.
- Livingston then said, "It is done", and turned to the people.
- Livingston then exclaimed, "It is done!", and turned to the people.
If the quoted sentence is followed by a clause identifying the speaker, use a comma outside the quotation mark instead of a full stop inside it, but retain any other terminal punctuation, such as a question mark.
- "There is no strife, no prejudice, no national conflict in outer space as yet", said Kennedy.
- By asking "Who are you?", da Gama prompts Adamastor to tell his story.
Do not follow quoted words or fragments with commas inside the quotation marks, except where a longer quotation has been broken up and the comma is part of the full quotation.
- Correct:"I began to change, opening the way to confidence and courage", said Turner.
- Correct:"I began to change," said Turner, "opening the way to confidence and courage."
- Correct:"I began to change, opening the way", said Turner, "to confidence and courage."
- Incorrect:"I began to change, opening the way," said Turner, "to confidence and courage."
Quotation marks and external links
External links to article titles should have the title in quotes inside the link. TheCS1andCS2citation templates do this automatically, and untemplated references should do the same.
- Correct:Kiefer, Francine (May 29, 1998)."Clinton: The Early Years".The Christian Science Monitor.(Using{{cite news}})
- Correct:Kiefer, Francine (May 29, 1998)."Clinton: The Early Years".The Christian Science Monitor.(Untemplated)
- Incorrect:Kiefer, Francine (May 29, 1998). "Clinton: The Early Years".The Christian Science Monitor.(Untemplated)
Quotation marks and internal links
Internal links (wikilinks) accompanied by quotation marks should usually have the quotes outside the link. This applies to titles of works in quotation marks (songs, episodes, etc.)
- Correct:Play it, Sam. Play "As Time Goes By".(Using
"[[ ]]".) - Incorrect:Play it, Sam. Play"As Time Goes By".(Using
[[ "" ]].)
However, quotation marks are needed inside wikilinks when the quotation mark is part of the link, or where the linked display text includes quotation marks indicating slang, nicknames, common names, or similar usage.
- Correct:The termsoccercomes fromOxford "-er"slang, which was prevalent at theUniversity of Oxfordin England from about 1875....
- Correct:A Cockney accentdrops the "r"after a vowel.
- Correct:TheProletarian Sports Society "Dynamo"was established in Moscow in 1923.
- Correct:President Suharto's"New Order"administration received U.S. support for its economic policies.
- Correct:Japan's"Lost Decades"began in 1991.
Brackets and parentheses
This section applies to both round brackets( ),often calledparentheses,and square brackets[ ].
If a sentence contains a bracketed phrase, place the sentence punctuation outside the brackets(as shown here).However, where one or more sentences are wholly inside brackets, place their punctuation inside the brackets. There should be no space next to the inner side of a bracket. An opening bracket should usually be preceded by a space. This may not be the case if it is preceded by an opening quotation mark, another opening bracket, or a portion of a word:
- He rose to address the meeting: "(Ahem)... Ladies and gentlemen, welcome!"
- Only the royal characters in the play ([Prince] Hamlet and his family) habitually speak in blank verse.
- We journeyed on the Inter[continental].
- Most people are right-handed. (Some people are left-handed, but that does not make right-handed people "better" than left-handed people.)
There should be a space after a closing bracket, except where a punctuation mark follows (though a spaced dash would still be spaced after a closing bracket) and in unusual cases similar to those listed for opening brackets.
Avoid adjacent sets of brackets. Either put the parenthetical phrases in one set separated by semicolons, or rewrite:
- Avoid:Nikifor Grigoriev (c. 1885– 1919) (also known as Matvii Hryhoriiv) was a Ukrainian insurgent leader.
- Better:Nikifor Grigoriev (c. 1885– 1919; also known as Matvii Hryhoriiv) was a Ukrainian insurgent leader.
- Better:Nikifor Grigoriev (c. 1885– 1919) was a Ukrainian insurgent leader. He was also known as Matvii Hryhoriiv.
Square brackets are used to indicate editorial replacements and insertions within quotations, though this should never alter the intended meaning. They serve three main purposes:
- To clarify:She attended [secondary] school,where this was the intended meaning, but the type of school was unstated in the original sentence.
- To reduce the size of a quotation:X contains Y, and under certain circumstances, X may contain Z as wellmay be reduced toX contains Y [and sometimes Z].When an ellipsis (...) is used to indicate that material is removed from a direct quotation, it should not normally be bracketed.
- To make the grammar work: Referring to someone's statement"I hate to do laundry",one could properly writeShe "hate[s] to do laundry".
If a sentence includes subsidiary material enclosed in square or round brackets, it must still carry terminal punctuationafterthose brackets, regardless of any punctuation within the brackets.
However, if the entire sentence is within brackets, the closing punctuation falls within the brackets.(This sentence is an example.)
Brackets and linking
Square brackets inside of links must beescaped:
He said, "[[John Doe|John [Doe]]]answered. " |
He said, "John [Doe]answered. " |
He said, "[[John Doe|John {{bracket|Doe}}]]answered. " |
He said, "John [Doe]answered. " |
[https://example On the first day [etc.]] |
|
[https://example On the first day {{bracket|etc.}}] |
The<nowiki>markup can also be used:<nowiki>[Doe]</nowiki>or<nowiki>[etc.]</nowiki>.
If a URL itself contains square brackets, the wiki-text should use theURL-encodedformhttps://example /foo.php?query=%5Bxxx%5Dyyy,rather than...query=[xxx]yyy.This will avoid truncation of the link afterxxx.
Ellipses
Use anellipsis(pluralellipses) if material is omitted in the course of a quotation, unless square brackets are used toglossthe quotation.
- Wikipedia's style for an ellipsis is three unspaced dots (
...); do not use the precomposed ellipsis character (…) or three dots separated by spaces(...) - Generally, use a non-breaking space before an ellipsis, and a regular space after it:
"Alpha, Bravo,{{nbsp}}... Zulu"- But where an ellipsis is immediately followed by any of
.?!:;,) ] }or by a closing quotation mark (single or double), use a non-breaking space before the ellipsis, and no space after it:Jones wrote: "These stories amaze me. The facts suffer so frightfully{{nbsp}}..."."But what of the other cities? London, Paris{{nbsp}}...?"(Place terminal punctuation after an ellipsis only if it is textually important, as is often the case with exclamation marks and question marks but rarely with periods.)
- Or, if the ellipsis immediately follows a quotation mark, use no space before the ellipsis, and a non-breaking space after it:
He continued to pursue Smith ( "...{{nbsp}}to the ends of the earth", he had sworn) until his own death.
- But where an ellipsis is immediately followed by any of
- Pause or suspension of speech
- Three dots are occasionally used to represent a pause in or suspense of speech, in which case the punctuation is retained in its original form:Virginia's startled reply was "Could he...? No, I can't believe it!".When it indicates an incomplete word, no space is used between the word fragment(s) and the ellipsis:The garbled transmission ended with "We are stranded near San L...o", interpreted as a reference to either San Leandro or San Lorenzo.
- With square brackets
- Square brackets may be placed around an ellipsis that indicates omitted text to distinguish it from an ellipsis that is part of the quoted text:She retorted: "How do I feel? How do youthinkI... This is too much! [...] Take me home! ".In this example, the first ellipsis is part of the quoted text and the second ellipsis (in square brackets) indicates omitted text.
Commas
-
A pair ofcommascan bracket anappositive,relative clause,orparenthetical phrase(as can brackets or dashes, though with greater interruption of the sentence). For example:
Correct: John Smith, Janet Cooper's son, is a well-known playwright. Correct: Janet Cooper's son John Smith is a well-known playwright.(when Janet has multiple sons) Correct: Janet Cooper's son, John Smith, is a well-known playwright.(when Janet has only one son) Always use apairof commas for this, unless another punctuation mark takes the place of the second comma:
Incorrect: The newest member, John Smith was blunt. Correct: Blunt comments came from the newest member, John Smith. Correct: The newest member, John Smith – a retired teacher – was blunt. -
Don't let other punctuation distract you from the need for a comma, especially when the comma collides with a bracket or parenthesis:
Correct: Burke and Wills, fed by locals (on beans, fish, andngardu), survived for a few months. Incorrect: Burke and Wills, fed by locals (on beans, fish, andngardu) survived for a few months. -
Modern[j]writing uses fewer commas; there are usually ways to simplify a sentence so that fewer are needed.
Clear: Schubert's heroes included Mozart, Beethoven, and Joseph and Michael Haydn. Awkward: Mozart was, along with the Haydns, both Joseph and Michael, and also Beethoven, one of Schubert's heroes. -
In geographical references that include multiple levels of subordinate divisions (e.g., city, state/province, country), a comma separates each element and follows the last element unless followed by terminal punctuation or a closing parenthesis. The last element is treated asparenthetical.
Correct: He traveled through North Carolina before staying in Chattanooga, Tennessee, for the night. Incorrect: He traveled through North Carolina before staying in Chattanooga, Tennessee for the night. Also include commas when the geographical element is used as a disambiguator:
Correct: Hantratty received a PhD from the University of California, Irvine, in 1977. Incorrect: Hantratty received a PhD from the University of California, Irvine in 1977. -
Datesin month–day–year format require a comma after the day, as well as after the year, unless followed by other punctuation. The last element is treated asparenthetical.
Correct: He set October 1, 2011, as the deadline for Patterson to meet his demands. Incorrect: He set October 1, 2011 as the deadline for Patterson to meet his demands. -
Place quotation marks by following§ Punctuation inside or outside.This is known as "logical quotation".
Correct: She said, "The weather changes too often", and made other complaints. Incorrect: She said, "The weather changes too often," and made other complaints. - A comma may be included before a quotation embedded within a sentence.
Serial commas
Aserial comma(sometimes also known as anOxford commaorHarvard comma) is a comma used immediately before a conjunction (and,or,nor) in a list of three or more items.
Editors may use either convention so long as each article is internally consistent. Serial commas are more helpful when article text is complex, such as a list with multi-word items (especially if one contains its own "and")or a series of probably unfamiliar terms.
However, there are cases in which either omitting or including the serial comma results in ambiguity:
In such cases of ambiguity, clarify one of four ways:
- Add or remove the serial comma.
- Use separate sentences, bullet lists, or some other structural change to clarify.
- Recast the sentence ( "friends" case):
- To list two people:The author thanked her friends Sinéad O'Connor and Bob Marley.
- Clearer:The author thanked two friends – Sinéad O'Connor and Bob Marley.
- To list several people:
- The author thanked Sinéad O'Connor, Bob Marley and her friendsor
- The author thanked Sinéad O'Connor, Bob Marley, and her friends.
- But not:The author thanked Bob Marley, Sinéad O'Connor[,] and her friends– introduces ambiguity abouther.
- To list two people:The author thanked her friends Sinéad O'Connor and Bob Marley.
- Recast the sentence ( "friend" case):
- To list two people:The author thanked Bob Marley and her friend, Sinéad O'Connor.
- Or be more specific when possible (the commas here set off non-restrictiveappositives):The author thanked her childhood friend, Sinéad O'Connor, and her mentor, Bob Marley.
- To list three people:The author thanked Bob Marley, Sinéad O'Connor, and a friend.
- Clarity with gender-specific terms such asmothercan be tricky;The author thanked her mother, Kim Thayil, and Sinéad O'Connoris unclear because readers may not knowKim Thayilis male and wouldn't be the same person as the mother.
- Clearer:The author thanked Kim Thayil, Sinéad O'Connor, and her own motherorThe author thanked her mother and musicians Kim Thayil and Sinéad O'Connor.
- To list two people:The author thanked Bob Marley and her friend, Sinéad O'Connor.
Colons
Acolon(:) introduces something that demonstrates, explains, or modifies what has come before, or is a list of items that has just been introduced. The items in such a list may be separated by commas, or if they are more complex and perhaps themselves contain commas, the items should be separated by semicolons or arranged in a bulleted list.
A colon may also be used to introducedirect speechenclosed within quotation marks.
In most cases, a colon works best with a complete grammatical sentence before it. When what follows the colon is also a complete sentence, start it with a capital letter, but otherwise do not capitalize after a colon except where doing so is needed for another reason, such as for a proper name. When a colon is being used as a separator in an article title, section heading, or list item, editors may choose whether to capitalize what follows, taking into considerationthe existing practiceandconsistency with related articles.
Except in technical usage (a 3:1 ratio), no sentence should contain multiple colons, no space should precede a colon, and a space (but never a hyphen or dash) should follow the colon.
Semicolons
Asemicolon(;) is sometimes an alternative to a full stop (period), enabling related material to be kept in the same sentence; it marks a more decisive division in a sentence than a comma. If the semicolon separates clauses, normally each clause must be independent (meaning that it could stand on its own as a sentence). In many cases, only a comma or only a semicolon will be correct in a given sentence.
| Correct: | Though he had been here before, I did not recognize him. |
| Incorrect: | Though he had been here before; I did not recognize him. |
Above, "Though he had been here before" cannot stand on its own as a sentence, and therefore is not an independent clause.
| Correct: | Oranges are an acidic fruit; bananas are classified as alkaline. |
| Incorrect: | Oranges are an acidic fruit, bananas are classified as alkaline. |
This incorrect use of a comma between two independent clauses is known as acomma splice;however, in certain kinds of cases, a comma may be used where a semicolon would seem to be called for:
| Accepted: | "Life is short, art is long."(two brief clauses in anaphorism;seeArs longa, vita brevis) |
| Accepted: | "I have studied it, you have not."(reporting brisk conversation, such as this reply ofNewton's) |
A sentence may contain several semicolons, especially when the clauses are parallel in construction and meaning; multiple unrelated semicolons are often signs that the sentence should be divided into shorter sentences or otherwise refashioned.
| Unwieldy: | Oranges are an acidic fruit; bananas are classified as alkaline; pears are close to neutral; these distinctions are rarely discussed. |
| Better: | Oranges are an acidic fruit, bananas are alkaline, and pears are close to neutral; these distinctions are rarely discussed. |
Semicolons are used in addition to commas to separate items in a listing, when commas alone would result in confusion.
| Confusing: | Sales offices are located in Boston, Massachusetts, San Francisco, California, Singapore, and Millbank, London, England. |
| Clear: | Sales offices are located in Boston, Massachusetts; San Francisco, California; Singapore; and Millbank, London, England. |
Semicolon before "however"
The meaning of a sentence containing a trailing clause that starts with the wordhoweverdepends on the punctuation preceding that word. A common error is to use the wrong punctuation, thereby changing the meaning to one not intended.
When the wordhoweveris an adverb meaning "nevertheless", it should be preceded by a semicolon and followed by a comma. Example:
| It was obvious they could not convert these people; however, they tried. | |
| Meaning: | It was obvious they could not convert these people; nevertheless, they tried. |
When the wordhoweveris a conjunction meaning "in whatever manner", or "regardless of how", it may be preceded by a comma but not by a semicolon, and should not be followed by punctuation. Example:
| It was obvious they could not convert these people, however they tried. | |
| Meaning: | It was obvious they could not convert these people, regardless of how they tried. |
In the first case, the clause that starts with "however" cannot be swapped with the first clause; in the second case this can be done without change of meaning:
| However they tried, it was obvious they could not convert these people. | |
| Meaning: | Regardless of how they tried, it was obvious they could not convert these people. |
If the two clauses cannot be swapped, a semicolon is required.
A sentence or clause can also contain the wordhoweverin the middle, if it is an adverb meaning "although" that could have been placed at the beginning but does not start a new clause in mid-sentence. In this use, the word may be enclosed between commas. Example:
| He did not know, however, that the venue had been changed at the last minute. | |
| Meaning: | However, he did not know that the venue had been changed at the last minute. |
Hyphens
Hyphens(-) indicate conjunction. There are three main uses:
- In hyphenated personal names (John Lennard-Jones,Omar al-Bashir).
- To linkprefixeswith their main terms in certain constructions (quasi-scientific,pseudo-Apollodorus,ultra-nationalistic).
- A hyphen may be used to distinguish betweenhomographs(re-dressmeansdress again,butredressmeansremedyorset right).
- There is a clear trend to join both elements in all varieties of English (subsection,nonlinear). Hyphenation clarifies when the letters brought into contact are the same (non-negotiable,sub-basement) or are vowels (pre-industrial), or where a word is uncommon (co-proposed,re-target) or may be misread (sub-era,notsubera). Some words of these sorts are nevertheless common without the hyphen (e.g.,cooperationis more frequently attested thanco-operationin contemporary English).[j]
- To link related terms incompound modifiers:[q]
- Hyphens can aid ease of reading (that is, they can beease-of-readingaids) and are particularly useful in long noun phrases:gas-phase reaction dynamics.But never insert a hyphen into a proper name (Middle Eastern cuisine,notMiddle-Eastern cuisine).
- A hyphen can help to disambiguate (someshort-story writersare quite tall;a government-monitoring programis a program that monitors the government, whereasa government monitoring programis a government program that monitors).
- Compounds that are hyphenated when usedattributively(adjectives before the nouns they qualify:a light-blue handbag,a 34-year-old woman) orsubstantively(as a noun:she is a 34-year-old) are usually not hyphenated when usedpredicatively(descriptive phrase separated from the noun:the handbag was light blue,the woman is 34 years old). Where there would otherwise be a loss of clarity, however, a hyphen may be used in the predicative form as well (hand-fed turkeys,the turkeys were hand-fed). Awkward attributive hyphenation can sometimes be avoided with a simple rewording:Hawaiian-native species→native Hawaiian species.
- Avoid using a hyphen after a standard-lyadverb (a newly available home,a wholly owned subsidiary) unless part of a larger compound (a slowly-but-surely strategy). In rare cases, a hyphen can improve clarity if a rewritten alternative is awkward, but rewording is usually preferable:The idea was clearly stated enoughcan be disambiguated asThe idea clearly was stated often enoughorThe idea was stated with enough clarity.
- A few words ending in-lyfunction as both adjectives and adverbs (a kindly-looking teacher;a kindly provided facility). Some such dual-purpose words (likeearly,only,northerly) are not standard-lyadverbs, because they are not formed by addition of-lyto an independent current-English adjective. These need careful treatment:Early flowering plants appeared around 130 million years ago,butEarly-flowering plants risk damage from winter frosts;only child actors(no adult actors) butonly-child actors(actors without siblings).
- A hyphen is normally used when the adverbwellprecedes a participle used attributively (a well-meaning gesture;but normallya very well managed firm,becausewellitself is modified) and even predicatively, ifwellis necessary to, or alters, the sense of the adjective rather than simply intensifying it (the gesture was well-meaning,the child was well-behaved,butthe floor was well polished).
- In some cases, such asdiode–transistor logic,the independent status of the linked elements requires an en dash instead of a hyphen.
- Use asuspended hyphen(also called ahanging hyphen) when two compound modifiers are separated (two- and three-digit numbers;a ten-car or -truck convoy;sloping right- or leftward).
- Values and units used as compound modifiers are hyphenated only where the unit is given as a whole word; when using the unit symbol, separate it from the number with anon-breaking space(
).
Multi-word hyphenated items:It is often possible to avoid multi-word hyphenated modifiers by rewording (a four-CD soundtrack albummay be easier to read asa soundtrack album of four CDs). This is particularly important where converted units are involved (the 6-hectare-limit (14.8-acre-limit) rulemight be possible asthe rule imposing a limit of six hectares (14.8 acres),and the ungainly4.9-mile (7.9 km) -long tributaryas simply4.9-mile (7.9 km) tributary).
For optional hyphenation of compoundpoints of the compasssuch assouthwest/south-west,see§ Compass points.
Do not use a capital letter after a hyphen except for a proper name following the hyphen:Graeco-RomanandMediterranean-style,but notGandhi-Like.In titles of published works, when given intitle case,follow the capitalization rule for each part independently (The Out-of-Towners), unless reliable sources consistently do otherwise in a particular case (The History of Middle-earth).
Hyphenation rules in other languages may be different. Thus, in French a place name such asTrois-Rivières('Three Rivers') is hyphenated, when it would not be in English. Follow reliable sources in such cases.
Spacing:A hyphen is never followed or preceded by a space, except when hangingor when used to display parts of words independently, such asthe prefix sub-andthe suffix-less.
Image filenames and redirects:Image filenames are not part of the encyclopedic content; they are tools. They are most useful if they can be readily typed, so they usually use hyphens instead of dashes. Similarly, article titles with dashes should also have a corresponding redirect from a copy of the title with hyphens: for example,Michelson-Morley experimentredirects toMichelson–Morley experiment.
Non-breaking:Anon-breaking hyphen({{nbhyph}}) willnotbe used as a point of line-wrap.
Soft hyphens:Usesoft hyphensto mark locations where a word will be broken and hyphenatedif necessaryat the end of a line of text, usually invery long wordsor narrow spaces (such as captions, narrow table columns, or text adjacent to a very wide image), for example:{{shy|Penn|syl|va|nia and Mass|a|chu|setts style themselves com|mon|wealths.}}.Use sparingly to avoid making wikitext difficult to read and edit. For more information, seeHelp:Line-break handling.
Encoding:The hyphen is represented by theASCII/UNICODEHYPHEN-MINUScharacter, which is entered by the hyphen or minus key on all standard keyboards. Do not use theUNICODE HYPHENcharacter.
Hyphenation involves many subtleties that cannot be covered here; the rules and examples presented above illustrate the broad principles.
Dashes
Two forms of dash are used on Wikipedia:en dash(–) andem dash(—). To enter them, click on them in theCharInsert toolbar,or enter them manually as:
Do not use a double hyphen (--) to stand in for a dash.
Sources use dashes in varying ways. For consistency and clarity, Wikipedia adopts the following principles.
In article titles
Inarticle titles,do not use a hyphen (-) as a substitute for an en dash, for example ineye–hand span(sinceeyedoes not modifyhand). Nonetheless, to aid searching and linking, provide a redirect with hyphens replacing the en dash(es), as ineye-hand span.Similarly, providecategory redirectsfor categories containing dashes. When an en dash is being used as a separator in an article title or section heading, editors may choose whether to capitalize what follows, taking into considerationthe existing practiceandconsistency with related articles.
In running text
Dashes are often used to mark divisions within a sentence: in pairs (parenthetical dashes, instead of parentheses or pairs of commas) or singly (perhaps instead of a colon). They may also indicate an abrupt stop or interruption in reporting quoted speech. In all such cases, either unspaced em dashes or spaced en dashes can be used, with consistency maintained throughout a given article:
- An em dash isunspacedon both sides:
- An en dash isspacedon both sides:
Ideally, an en dash should be preceded by a non-breaking space; this prevents the dash from appearing at the beginning of a line. The{{snd}}template may be used for this:
Do not insert any spaces where an en dash should be unspaced.
Dashes can clarify a sentence's structure when commas, parentheses, or both are also being used.
- The book summarizes works of some major philosophers in chronological order: Descartes, Locke, Hume – but not hisTreatise(deemed too complex for the target audience) – and Kant.
Use dashes sparingly. More than two in a single sentence makes the structure unclear; it takes time for the reader to see which dashes form a pair, if any.
- The birds – at least the ones Darwin collected – had red and blue feathers.
- "We have run aground at –", was the final, incomplete message received from the ship.
- Avoid:First – at a marshy site leveled with landfill – came the workshop – then administrative and other buildings.
- Better:First – at a marshy site leveled with landfill – came the workshop; administrative and other buildings were erected later.
In ranges that might otherwise be expressed withtoorthrough
For ranges between numbers, dates, or times, use an en dash:
- pp. 7–19;64–75%;Henry VIII reigned 1509–1547[r]
Do not change hyphens to dashes in filenames,URLs,or templates such as{{Bibleverse}}(which formats verse ranges into URLs), even if a range is embedded in them.
Do not mix en dashes withbetweenorfrom.
- 450–500 people
- between 450 and 500 people,notbetween 450–500 people
- from 450 to 500 people,notfrom 450–500 people
- from 1961 to 1964,notfrom 1961–1964
- between the 1961–1962 and 1967–1968 seasons, ticket sales dropped substantially(orbetween the 1961–62 and 1967–68 seasons)
The en dash in a range is always unspaced, except when either or both elements of the range include at least one space, hyphen, or en dash; in such cases,{{snd}}between them will provide the proper formatting.
- July 23, 1790 – December 1, 1791(notJuly 23, 1790–December 1, 1791)
- 14 May – 2 August 2011(not14 May–2 August 2011)
- 1–17 September(and note in this case that the second element of the range is17not17September);February–October 2009;1492 – 7 April 1556
- Christmas Day – New Year's Eve;Christmas 2001 – Easter 2002;10:30 pm Tuesday – 1:25 am Wednesday;6:00 p.m. – 9:30 p.m.(but6:00–9:30 p.m.)
- wavelengths in the range28 mm – 17 m.
- pages 5-7 – 5-9
If negative values are involved, an unspaced en dash might be confusing:
- −10 to 10,not−10–10(though−10 – 10might work in a table consistently formatted withx–yconstructions)
In compounds when the connection might otherwise be expressed withto,versus,and,orbetween
Here, the relationship is thought of as parallel, symmetric, equal, oppositional, or at least involvingseparate or independent elements.The components may be nouns, adjectives, verbs, or any other independent part of speech. Often, if the components are reversed there would be little change of meaning.
- boyfriend–girlfriend problems;the Paris–Montpellier route;a New York–Los Angeles flight
- iron–cobalt interactions;the components are parallel and reversible; iron and cobalt retain their identity
- Wrong:an iron–roof shed;ironmodifiesroof,so use a hyphen:an iron-roof shed
- Wrong:a singer–songwriter;not separate persons, so use a hyphen:a singer-songwriter
- red–green colorblind;red and green are separate independent colors, not mixed
- Wrong:blue–green algae;a blended, intermediate color, so use a hyphen:blue-green algae
- a 51–30 win;a 12–0 perfect season;a 22–17 majority vote;[3]but prefer spelling out when using words instead of numerals:a six-to-two majority decision,not with the awkwardsix–two;avoid confusingly reversed order:a 17–22 majority vote[s]
- a 50–50 joint venture;a 60–40 split;avoid using a slash (stroke) here, which indicates division
- the Uganda–Tanzania War;the Roman–Syrian War;the east–west runway;the Lincoln–Douglas debates;a carbon–carbon bond
- diode–transistor logic;the analog–digital distinction;push–pull output;on–off switch
- a pro-establishment–anti-intellectual alliance;Singapore–Sumatra–Java shipping lanes
- the ballerina's rapid walk–dance transitions;a male–female height ratio of 1.14
Generally, use a hyphen in compounded proper names of single entities.
- Guinea-Bissau;Bissau is its capital, and this name distinguishes the country from neighboringGuinea
- Wilkes-Barre,a single city named after two people, butMinneapolis–Saint Paul,an area encompassing two cities
- John Lennard-Jones,an individual named after two families
Use an en dash between the names of nations or nationalities when referring to an association between them. For people and things identifying with multiple nationalities, use a hyphen when using the combination adjectivally and a space when they are used as nouns, with the first used attributively to modify the second.
- an Italian–Swiss border crossing;butan Italian-Swiss newspaperforItalian-speaking Swiss
- France–Britain rivalry;French–British rivalry
- an Indian-American scientist;was especially popular with Indian Americans
- Wrong:Franco–British rivalry;Franco-is acombining form,not an independent word, so use a hyphen:Franco-British rivalry
A slash or some other alternative may occasionally be better to express a ratio, especially in technical contexts.
- the protein–fat ratio;the protein/fat ratio;the protein-to-fat ratio
- Colons are often used for strictly numeric ratios, to avoid confusion with subtraction and division:a 3:1 ratio;a three-to-one ratio.
Use an en dash for the names of two or more entities in an attributive compound.
- the Seifert–van Kampen theorem;the Alpher–Bethe–Gamow theory
- the Seeliger–Donker-Voet scheme(developed by Seeliger and Donker-Voet)
- Comet Hale–Boppor justHale–Bopp(discovered by Hale and Bopp)
Do not use an en dash for hyphenated personal names, even when they are used as adjectives:
- Lennard-Jones potentialwith a hyphen: named after John Lennard-Jones
Do not use spaces around the en dash in any of the compounds above.
Instead of a hyphen, use an en dash when applying a prefix or suffix to a compound that itself includes a space, dash or hyphen
- ex–prime minister Thatcher(consider recasting:former prime minister Thatcher)
- pre–World War II aircraft(consider recasting:aircraft from before World War II)
- post–September 11 anti-war movement
- Trans–New Guinea languages
- post–Hartree–Fock
- Afro–Puerto Rican
- Turks and Caicos–based company
- a Rodgers and Hammerstein–esque musical number
The form of category names follows the corresponding main articles, e.g.,Category:Trans–New Guinea languages. However, the principle is not extended when compounding other words in category names, e.g.,Category:Tennis-related listsandCategory:Table tennis-related listsboth use hyphens.
To separate parts of an item in a list
Spaced en dashes are sometimes used between parts of list items. For example:
- James Galway – flute; Anne-Sophie Mutter – violin; Maurizio Pollini – piano.
or
- "The Future" – 7:21
- "Ain't No Cure for Love" – 6:17
- "Bird on the Wire" – 6:14
Editors may choose whether to capitalize what follows, taking into considerationthe existing practiceandconsistency with related articles.
Other uses for en dashes
Theen dash(–) has several common functions beyond its use in lists and running text. It is used tojoincomponents less strongly than a hyphen would;conversely, it may alsoseparatecomponents less strongly than a slash would.Consider the relationship that exists between two components when deciding what punctuation to place between them.
Other uses for em dashes
Anindentedem dash may be used when attributing the source of a passage, such as ablock quotationor poem. This dash should not be fully spaced: however, for reasons related tometadataandaccessibility,it is best to place ahair spacebetween the dash and the name.[t]Most of Wikipedia's quotation templates provide this formatting automatically.
For example,{{in5}}—{{hair space}}Charlotte Brontëwill produce:
— Charlotte Brontë
Other dashes
Do not usetypewriter approximationsor other substitutes, such as two hyphens (--), for em or en dashes.
For a negative sign or subtraction operator useU+2212−MINUS SIGN(−), which can also be generated by clicking on the−following the±in theInserttoolbar beneath the edit window. Do not useU+2212−MINUS SIGNinside a<math>tag, as the character gives a syntax error; instead use a normal hyphenU+002D-HYPHEN-MINUS.
Slashes (strokes)
Generally, avoid joining two words with aslash,also called a forward slash, stroke or solidus (/), because it suggests that the words are related without specifying how. Replace with clearer wording.
An example:The parent/instructor must be present at all times.Must both be present? (Then writethe parent and the instructor.) Must at least one be present? (Then writethe parent or the instructor.) Are they the same person? (Use a hyphen:the parent-instructor.)
In circumstances involving a distinction or disjunction, the en dashis usually preferable to the slash:the digital–analog distinction.
An unspaced slash may be used:
- to indicatephonemicpronunciations(rivetis pronounced/ˈrɪvət/);
- in a fraction (
7/8,but see other techniques atWikipedia:Manual of Style/Dates and numbers § Fractions and ratios); - to indicate regular defined yearly periods that do not coincide with calendar years (e.g.,the 2009/2010 fiscal year), if that is the convention used in reliable sources (seeWikipedia:Manual of Style/Dates and numbers § Long periods of timefor further explanation);
- to express a ratio, in a form in which a slash is conventionally used (e.g.,the price-to-earnings ratio, or P/E ratio for short);
- in an expression or abbreviation widely used outside Wikipedia (e.g.,n/aorN/Afornot applicable).
A spaced slash may be used:
- to separate run-on lines in quoted poetry or song (To be or not to be: that is the question: / Whether 'tis nobler in the mind to suffer / The slings and arrows of outrageous fortune), or rarely in quoted prose, where careful marking of a paragraph break is textually important;
- to separate items that include at least one internal space (the NY 31 east / NY 370 exit), where for some reason use of a slash is unavoidable.
To avoid awkward linebreaks, code spaced slashes (and fraction slashes) with a non-breaking space on the left and a normal space on the right, as in:My mama told me / You better shop around.For short constructions, both spaces should be non-breaking:x / y.On the other hand, if two long words are connected by an unspaced slash, an{{wbr}}added after the slash will allow a linebreak at that point.
Do not use thebackslashcharacter (\) in place of a slash.
Prefer the division operator (÷) to slash or fraction slash when representing elementary arithmetic in general text:10 ÷ 2 = 5.In more advanced mathematical formulas, avinculumor slash is preferred:orxn/n!.
And/or
Avoid writingand/orunless other constructions would be lengthy or awkward. Instead ofMost had trauma and/or smoke inhalation,write simplytrauma or smoke inhalation(which would normally be interpreted as aninclusive-orto implyor both); or, for emphasis or precision or both, writetrauma or smoke inhalation or both.Where more than two possibilities are present, instead ofx, y, and/orzwriteone or more of x, y, andzorsome or all of x, y, andz.
Symbols
Unicode symbols are preferred over composedASCIIsymbols for improved readability and accessibility. Be mindful of presentations that may require ASCII, likesourcecode.Keys for these symbols can be found at the bottom of theSource Editor.
| Composed ASCII symbol |
Preferred replacement |
|---|---|
--> |
→ |
<-- |
← |
<-->or<-> |
↔ |
^ |
↑ |
>= |
≥ |
<= |
≤ |
~= |
≈ |
Number (pound, hash) sign and numero
Avoid using the#symbol (known as thenumber sign,hash sign, pound sign, or octothorpe) when referring to numbers or rankings. Instead writenumber,No.orNos.;do not use the symbol№.For example:
| Incorrect: | Her album reached #1 in the UK albums chart. |
| Correct: | Her album reached number one in the UK albums chart. |
| Correct: | Her album reachedNo.1 in the UK albums chart. |
| Correct: | Her albumsFooandBarreachedNos.1 and 3. |
| Correct: | Her albumsFooandBarreached numbers one and three in the UK albums chart. |
An exception is issue numbers of comic books, which unlike for other periodicals are conventionally given in general text in the form#1,unless a volume is also given, in which case writevolume two, number sevenorVol.2,No.7.Another exception are periodical publications carrying both, issueandnumber designations (typically one being a year-relative and the other an absolute value); they should be given in the form2 #143in citations, or be spelt out as
Iss.2,No.143in text. When using theabbreviations,write{{abbr|Vol.|Volume}},{{abbr|Iss.|Issue}},{{abbr|No.|Number}},or{{abbr|Nos.|Numbers}},at first occurrence.
Terminal punctuation
- Exclamation and question marks have almost no application in encyclopedic writing.
- For the use of three periods in succession, see§ Ellipses.
- In some contexts, no terminal punctuation is necessary. In such cases, the sentence often does not start with a capital letter. See§ Quotationsand§ Quotation marks.
- Sentence fragmentsin captions or lists should in most cases not end with a period. See§ Formatting of captionsand§ Bulleted and numbered lists.
Spacing
In normal text, never put a space before a comma, semicolon, colon, period/full stop, question mark, or exclamation mark (even in quoted material; see§ Typographic conformity).
Some editors place two spaces after a period/full stop (); these are condensed to one space when the page is rendered, so it does not affect what readers see.
Consecutive punctuation marks
Where a word or phrase that includes terminal punctuation ends a sentence, do not add a second terminal punctuation mark. If a quoted phrase or title ends in a question mark or exclamation mark, it may confuse readers as to the nature of the article sentence containing it, and so is usually better reworded to be mid-sentence. Where such a word or phrase occurs mid-sentence, new terminal punctuation (usually a period) must be added at the end.
| Incorrect: | Slovak returned to the Red Hot Chili Peppers in 1985 after growing tired of What Is This?. |
| Acceptable: | Slovak returned to the Red Hot Chili Peppers in 1985 after growing tired of What Is This? |
| Better: | Slovak, having grown tired of What Is This?, returned to the Red Hot Chili Peppers in 1985. |
| Incorrect: | He made several films with Sammy Davis Jr.. |
| Correct: | He made several films with Sammy Davis Jr. |
Punctuation and footnotes
Reference tags(<ref>...</ref>) are used to createfootnotes(also calledendnotesor simplynotes), ascitation footnotesand sometimesexplanatory notes.All reference tags shouldimmediatelyfollow the text to which the footnote applies, with no intervening space.[u]Apart from the exceptions listed below, references are placedafteradjacent punctuation, not before. Adjacent reference tags should have no space between them, nor should there be any between tags andinline dispute and cleanup templates.
When reference tags are used, afootnote listmust be added, and this is usually placed in theReferencessection, near the end of the article in thestandard appendices and footers.
- Example:Flightless birdshave a reducedkeel,[10]and they also have smaller wing bones than flying birds of similar size.[11][12]
Exceptions:Reference tags are placedbeforedashes, not after. If a footnote applies only to material within parentheses, the tags belong just before the closing parenthesis.
- Example:Paris is not the capital city of England – the capital of which is London[10]– but that of France.[11]
- Example:Kim Jong-un (Korean:김정은;Hanja:Kim Chính Ân[10]) is theSupreme Leader of North Korea.[11]
Punctuation after formulae
Sentences should place punctuation after mathematical formulae as if they were normal body text. SeeWikipedia:Manual of Style/Mathematics § Punctuation after formulae.
Dates and time
Dates should belinkedonly when they are germane and topical to the subject, as discussed atWikipedia:Manual of Style/Linking § Chronological items.For ranges of dates and times, see§ Other uses for en dashes.
Time of day
Times of day are normally expressed in figures rather than words. Context determines whether the12-or the24-hourformat is more appropriate.
- Twelve-hour clock times are written in one of two forms:11:15 a.m.and2:30 p.m.,or11:15 amand2:30 pm(wherein the spaces should benon-breaking). Usenoonandmidnightrather than12 pmand12 am;it may need to be specified whethermidnightrefers to the start or end of a date.
- Twenty-four-hour clock times are written in the form08:15and22:55,with no suffix. Midnight written as00:00begins the day;24:00ends it.
Dates
Full dates are formatted10 June 1921orJune 10, 1921;or where the year is omitted, use10 JuneorJune 10.
- The dates in thetextof any one article should all have the same format (day-first or month-first).
- For date formats in citations, seeWikipedia:Citing sources § Citation style.
- Dates in quotations and titles are always left as-is.
- If a numerical format is required (e.g., for conciseness in lists and tables), use the YYYY-MM-DD format:2005-04-03.
- Articles on topics with strong ties to a particular English-speaking country should generally use the more common date format for that country (month-first for the US, except in military usage; day-first for most others; articles related to Canada may use either consistently). Otherwise, do not change an article from one date format to the other without good reason.
Months
- For month and year, writeJune 1921,with no comma.
- Abbreviations for months, such asFeb,are used only where space is extremely limited. Such abbreviations should use three letters only, and should not be followed by a period (full point) except at the end of a sentence.
Seasons
- Avoid ambiguous references toseasons,which are different in the southern and northern hemispheres.
- Names of seasons may be used when there is a logical connection to the event being described (the autumn harvest) or when referring to a phase of a natural yearly cycle (migration typically starts in mid-spring). Otherwise, neutral wording is usually preferable (He was elected in November 1992,notHe was elected in the fall of 1992).
- Journals and other publications that are issued seasonally (e.g., "Summer 2005" ) should be dated as such in citations.
Years and longer periods
- Do not usethe yearbefore the digits (1995,notthe year 1995), unless the meaning would otherwise be unclear.
- Decades are written in the formatthe 1980s,with no apostrophe. Use the two-digit form ('80s) only with an established social or cultural meaning. Avoid forms such asthe 1700sthat could refer to ten or a hundred years.
- Years are denoted byAD and BCor, equivalently,CE and BCE.Use only one system within an article, and do not change from one system to the other without good reason. The abbreviations are written without periods, and with anon-breaking space,as in5 BC.Omit AD or CE unless omitting it would cause ambiguity.
More information on all the above topics can be found atWikipedia:Manual of Style/Dates and numbers § Chronological items,including the handling of dates expressed in different calendars, and times corresponding to different time zones.
Current
Terms such as "current", "now", and "recent"[j]should be avoided. What is current today may not be tomorrow; situations change over time. Instead, use date- and time-specific text. To help keep information updated use{{As of}},which will allow editors to catalog and update dated statements.
| Incorrect: | He is the current ambassador to... |
| Correct: | As of March 2011, he is the ambassador to... |
Numbers
- Integers from zero to nine are spelled out in words. Integers greater than nineexpressible in one or two wordsmay be expressed either in numerals or in words. Other numbers are given in numerals or in forms such as21million.SeeMOS:NUM § Numbers as figures or words.
- In general, in numbers with five or more digits to the left of the decimal point, use commas to group those digits. Numbers with four digits are at the editor's discretion:12,345,but either1,000or1000.SeeMOS:NUM § Grouping of digits.
- In general, use decimals rather than fractions for measurements, but fractions are sometimes used withimperialandU.S. customaryunits. Keep articles internally consistent.
- Scientific notation(e.g.,5.8×107kg) is preferred in scientific contexts. Markup:
{{val|5.8|e=7|u=kg}}. - Write out "million" and "billion" on the first use. After that, unspaced "M" can be used for millions and "bn" for billions:70Mand25bn.SeeMOS:NUM § Numbers as figures or wordsfor similar words.
- Write3%,three percent,orthree per cent,but not3%(with a space) orthree%."Percent" is American usage, and "per cent" is British usage.In ranges of percentages written with an en dash, write only a single percent sign:3–14%.
- Indicate uncertainties as e.g.,(1.534±0.35)×1023m.Markup:
{{val|1.534|0.35|e=23|u=m}}.SeeMOS:NUM § Uncertainty and roundingfor other formats.
Currencies
- Use the full abbreviation on first use (US$for the US dollar andA$for the Australian dollar),unless the currency is already clear from context.For example, the government of the United States always spends money in American dollars, and never in Canadian or Australian dollars.
- Use only one symbol with ranges, as in$250–300.
- In articles that are not specific to a country, express amounts of money inUnited States dollars,euros,orpounds sterling.Do not link the names or symbols of currencies that are commonly known to English-speakers ($,€,£), unless there is a particular reason to do so; do not use potentially ambiguous currency symbols, unless the meaning is clear in the context.
- In country-specific articles, use the currency of the country. On first occurrence, consider including conversion to US dollars, euros, or pounds sterling, at a rate appropriate to the context. For example,Since 2001 the grant has been 10,000,000Swedish kronor(€1.0M as of August 2009).Wording such as "approx." is not appropriate for simple rounding-off of the converted amount.
- Generally, use the full name of a currency, and link it on its first appearance if English-speakers are likely to be unfamiliar with it (52Nepalese rupees); subsequent occurrences can use the currency sign (just88 Rs).
- Most currency symbols are placedbeforethe number, and unspaced($123not$ 123).
Units of measurement
- The main unit in which a quantity is expressed should generally be anSIunit ornon-SI unit officially accepted for use with the SI.However,
- Scientific articles may also use specialist units appropriate for the branch of science in question.
- In non-scientific articles with strong ties to the United States, the main unit is generally a U.S. customary unit (22 pounds (10 kg)).
- In non-scientific articles with strong ties to the United Kingdom, although the main unit is generally a metric unit (10 kilograms (22 lb)), imperial units are still used as the main units in some contexts (7 miles (11 km) by road).
- Where English-speaking countries use different units for the same measurement, provide a conversion in parentheses. Examples:the Mississippi River is 2,320 miles (3,734 km) long;the Murray River is 2,375 kilometres (1,476 mi) long.See
{{convert}}. - In a direct quotation, always retain the source's units. Any conversion should follow in square brackets (or, an obscure use of units can be explained in the article text or afootnote).
- Where space is limited (such as tables, infoboxes, parenthetical notes, and mathematical formulas) unit symbols are preferred. In prose, unit names should be given in full if used only a few times but symbols may be used when a unit (especially one with a long name) is used repeatedly after spelling out the first use (e.g.,Up to 15 kilograms of filler is used for a batch of 250kg), except for unit names that are hardly ever spelled out (°Crather thandegrees Celsius).
- Most unit names are not capitalized (see§ National varieties of Englishfor spelling differences).
- Use "per" when writing out a unit, rather than a slash:metre per second,notmetre/second.
- Units unfamiliar to general readers should be presented as a name–symbol pair on first use, linking the unit name (Energies were originally 2.3megaelectronvolts(MeV), but were eventually 6MeV).
- For ranges, see§ En dashes: other uses,and MOS:NUM, at §§Date ranges,Percentages,Unit names and symbols,andFormatting of monetary values.
- Unit symbols are preceded by figures, not by spelled-out numbers. Values and unit symbols are separated by anon-breaking space.For example,5 min.The percent sign and units of degrees, minutes, and secondsfor angles and coordinatesare unspaced.
Common mathematical symbols
- For a negative sign or subtraction operator, use a minus sign (−,Unicode character U+2212MINUS SIGN). Input by clicking on it in the insert box beneath the edit window or by typing
−. - For multiplication, use a multiplication sign (U+00D7×MULTIPLICATION SIGN) or a dot (U+22C5⋅DOT OPERATOR), which are input by clicking on them in the edit toolbox under the edit window or by entering
×or⋅.Care should be taken not to confuse the dot operator (in the "Math and logic" section of the edit toolbox) with an interpunct (in the "Insert" section of the edit toolbox) or a bullet. The letterxshould not be used to indicate multiplication, but it is used (unspaced) as the substitute for "by" in terms such as4x4. - Exponentiationis indicated by a superscript,an(typed as
''a''<sup>''n''</sup>. - Do not use programming language notation outside computer program text. In most programming languages, subtraction, multiplication, and exponentiation are represented by thehyphen-minus
-,theasterisk*,and either thecaret^or the double asterisk**respectively;scientific notationis replaced byE notation. - Symbols forbinary operatorsandrelationsare usually spaced on both sides:
- plus, minus, and plus-or-minus (as binary operators):+,−,±(as in5 − 3);
- multiplication and division:×,÷;
- equals, does not equal, equals approximately:=,≠,≈;
- is less than, is less than or equal to, is greater than, is greater than or equal to:<,≤,>,≥.
- Symbols forunary operatorsare closed-up to their operand:
- positive, negative, and positive-or-negative signs:+,−,±(as in−3);
- other unary operators, such as the exclamation mark as afactorialsign (as in5!).
- Variables are italicized, but digits and punctuation are not; onlyxandyare italicized in2(5x+y)2.
{{math}}can be used to style formulas to distinguish them from surrounding text. For single variables,{{mvar}}is handy.
Grammar and usage
Possessives
Singular nouns
For the possessive of singular nouns, including proper names and words ending ins,add's(my daughter's achievement,my niece's wedding,Cortez's men,the Boss 's office,Illinois's largest employer,the US's partners,Descartes's philosophy,Verreaux's eagle). Exception: abstract nouns ending with an /s/ sound when followed bysake(for goodness' sake,for his conscience' sake). If a name ending insorzwould be difficult to pronounce with'sadded (Jesus's teachings), consider rewording (the teachings of Jesus).
Plural nouns
- For a normal plural noun ending with a pronounceds,form the possessive by adding just an apostrophe (my sons' wives,my nieces' weddings).
- For a plural nounnotending with a pronounceds,add's(women's careers,people's habits,mice's whiskers;The two Dumas's careers were controversial,but where rewording is an option, this may be better:The career of each Dumas was controversial).
Official names
Official names (of companies, organizations, or places) should not be altered. (St Thomas' Hospitalshould thereforenotbe rendered asSt Thomas's HospitalorSt. Thomas Hospital,even for consistency.)
Pronouns
First-person pronouns
To maintain an objective and impersonal encyclopedic voice, an article should never refer to its editors or readers usingI,my,we,us,our,or similar words:We note that some believe that bats are bugs.But some of these words are acceptable in certain figurative uses. For example:
- In historical articles to mean the modern world as a whole:Only portions ofDe re publicahave come down to us.
- Theauthor'swefound in scientific writing (We constructSas follows), thoughpassive voicemay be preferable (Sis constructed as follows).[v]
Second-person pronouns
Avoid addressing the reader usingyouoryour,which sets an inappropriate tone.
- Use a noun or a third-person pronoun: instead ofWhen you move past "Go", you collect $200,useA player passing "Go" collects $200,orWhen a player passes "Go", they collect $200.
- If a person cannot be specified, or when implying "anyone" as a subject, the impersonal pronounonemay be used:a sense that one is being watched.Other constructions may be preferable if the pronounoneseems stilted:a person's sense of being watched.
- Thepassive voicemay sometimes be used instead:[v]Impurities are removed before bottling.
- Do not bait links, e.g., "Click here for more information";let the browser's normal highlighting invite a click. ("Click here"also makes no sense to someone reading on paper.)
- Likewise, "See:..." or "Consider..." (in reference to arguments, principles, facts, etc.) are milder second-person baits, common in academic writing (pedagogy). This interactive personality is inconsistent with an encyclopedia's passive presentation of objective matter.
- "See" and the like can be used to internally cross-reference other Wikipedia material. Do not italicize words like "see". Such a cross-reference should be parenthetical, so the article text stands alone if the parenthetical is removed.
{{Crossref}}can be used for this:{{Crossref|(see [[Chicken]])}},{{Crossref|(See [[Dacian language]] for details.)}}It is usually better to rewrite the material to integrate these links contextually rather than useexplicit Wikipedia self-references.
- "See" and the like can be used to internally cross-reference other Wikipedia material. Do not italicize words like "see". Such a cross-reference should be parenthetical, so the article text stands alone if the parenthetical is removed.
- Do not address the reader with theSocratic methodby asking and answering questions.DidBaconwriteShakespeare?Then who wrote Bacon?
Third-person pronouns
Refer to a person with pronouns (and other gendered words) that reflect their latest self-identification in recent reliable sources.Singularthey/them/theirare appropriate in reference to anyone who uses those, as replacements forneopronouns,and in generic reference to persons of unknown gender.
Ships (military or private-sector) may be referred to by eitherneuterpronouns (it,its) or feminine pronouns (she,her). Both usages are acceptable, but each article should be internally consistent and exclusively employ only one style.[w]As with all optional styles, articlesshould notbe changed from one style to another without clear and substantial reason.[x]Try to avoid close, successive uses of the same referent for a ship, by using different referents in rotation; for example,itorshe,the ship,and the ship's name. Theshe/heroptional style does not apply to other vessel/vehicle types, such as trains.[y]
Plurals
Use the appropriate plural; allow for cases (such asexcursusorhanif) in which a word is now listed in major English dictionaries, and normally takes ansoresplural, not its original plural:two excursuses,nottwoexcursūsas in Latin;three hanifs,notthreehunafaas in Arabic.
Somecollective nouns– such asteam(and proper names of them),army,company,crowd,fleet,government,majority,mess,number,pack,andparty– may refer either to a single entity or to the members that compose it. In British English, such words are sometimes treated as singular, but more often treated as plural, according to context (but singular is not actuallyincorrect). In North American English, these words are almost invariably treated as singular; the major exception is that when a sports team is referred to by its short name, plural verbs are commonly used, e.g.theHeatare playing the Lakers tonight.
Names of towns and countries usually take singular verbs (even when grammatically plural:the United States is in North America,the Netherlands is also known as Holland), but exceptionally in British English, typically when used to refer to a sports team named after a town or country or when discussing actions of a government, plural is used. For example, inEnglandare playingGermanytomorrow,Englandrefers to afootballteam; but inEngland is in the Northern hemisphere,it refers to the country. See also§ National varieties of Englishincluding§ Opportunities for commonality.
Verb tense
By default, write articles in thepresent tense,including those covering works of fictionand products or works that have been discontinued. Generally, use past tense only for past events, and for subjects that are dead or no longer meaningfully exist. Usepast tensefor articles about periodicals no longer produced, with common-sense exceptions.
- The PDP-10 is a mainframe computer family manufactured by Digital Equipment Corporation from 1966 into the 1980s.
- Earth: Final Conflictis a Canadian science fiction television series that ran for five seasons between October 6, 1997, and May 20, 2002.
- The Gordon Riots of 1780 were...
- The Beatles were an English rock band that formed in Liverpool in 1960.
- Barack Obama is a former president of the United States(notBarack Obama was a president of the United States).
- Jumbo Comics was an adventure anthology comic book published by Fiction House from 1938 to 1953.
- A Prairie Home Companionis a radio show that aired live from 1974 to 2016(notA Prairie Home Companionwas a radio show).
- Flappy Birdis a mobile game developed by Vietnamese video game artist and programmer Dong Nguyen(notFlappy Birdwas a mobile game).
Tense can be used to distinguish between current and former status of a subject:Dún Aonghasaisthe ruin of a prehistoric Irish cliff fort. Its original shapewaspresumably oval or D-shaped, but parts of the cliff and fort have since collapsed into the sea.(Emphasis added to distinguish the different tense usages; Dún Aonghasa is a structure that was later damaged by an event.)
Always use present tense for verbs that describe genres, types, and classes, even if the subject of the description (e.g. program, library, device) no longer exists, is discontinued, is unsupported or is unmaintained.
Vocabulary
Contractions
Avoidcontractions,which have little place in formal writing. For example, writedo notinstead ofdon't.Use ofo'clockis an exception. Contracted titles such asDr.andStgenerally should not be used but may apply in some contexts (e.g., quoted material, place names, titles of works).
Gender-neutral language
Usegender-neutral language– avoiding thegeneriche,for example – if this can be done with clarity and precision. This does not apply to direct quotations or the titles of works (The Ascent of Man), which should not be altered, or to wording about one-gender contexts, such as an all-female school (When any student breaks that rule, she loses privileges).
References to space programs, past, present and future, should use gender-neutral phrasing:human spaceflight,robotic probe,uncrewed mission,crewed spacecraft,piloted,unpiloted,astronaut,cosmonaut,notmannedorunmanned.Direct quotations and proper nouns that use gendered words should not be changed, likeManned Maneuvering Unit.
Ships may be referred to using either neuter forms ( "it", "its" ) or feminine forms ( "she", "her", "hers" ). Either usage is acceptable, but each article should be internally consistent and employ one or the other exclusively. As with all optional styles, articles should not be changed from one style to another unless there is a substantial reason to do so. SeeWikipedia:Manual of Style/Military history § Pronouns.
Contested vocabulary
Avoid words and phrases that give the impression of straining for formality, that are unnecessarily regional, or that are not widely accepted. SeeList of commonly misused English words;see also§ Identity.
Instructional and presumptuous language
Avoid phrases such asremember thatandnote that,whichaddress readers directlyin anunencyclopedic toneand lean towardinstructional.They are a subtle form ofWikipedia self-reference,"breaking thefourth wall".Similarly, phrases such asof course,naturally,obviously,clearly,andactuallymake presumptions about readers' knowledge, mayexpress a viewpoint,and may call into question the reason for including the information in the first place. Do nottellreaders that something is interesting, ironic, surprising, unexpected, amusing, coincidental, etc. Simply present sourced facts neutrally and let readers draw their own conclusions. Such constructions can usually just be deleted, leaving behind proper sentences with a more academic and less pushy tone:Note that this was naturally subject to controversy in more conservative newspapers.becomesThis was subject to controversy in more conservative newspapers. Similar variants which indirectly instruct readers, such asIt should be noted thatorIt is important to note that,may be rewritten by leaving out those words:It is important to note that the colloquial dialect of Portuñol is similar to but different from Mirandesebecomes justThe colloquial dialect of Portuñol is similar to but different from Mirandese.
Avoid rhetorical questions, especiallyin headings.Use a heading ofActive listeningand text such asThe termactive listening,coined in...,notWhat isactive listening?
For issues in the use ofcross-references– e.g.,)– see§ Second-person pronouns.
Subset terms
Asubset termidentifies a set of members of a larger class. Common subset terms areincluding,among,andetc.Avoid redundant subset terms (e.g., mis-constructions likeAmongthe most well-known members of the fraternity areincludedtwo members of the Onassis familyorThe elements in starsincludehydrogen, helium,etc.). The wordincludingdoes not introduce a complete list; instead, useconsisting of,orcomposed of.
Identity
When there is a discrepancy between the term most commonly used by reliable sources for a person or group and the term that person or group uses for themselves, use the term that is most commonly used by recent[j]reliable sources. If it is unclear which is most used, use the term that the person or group uses.
Disputes over how to refer to a person or group are addressed by Wikipediacontent policies,such as those onverifiability,andneutral point of view(andarticle titleswhen the term appears in the title of an article).
Use specific terminology. For example, it is often more appropriate for people or things from Ethiopia (a country in Africa) to be described asEthiopian,not carelessly (with the risk ofstereotyping) asAfrican.
Gender identity
Specific guidelines applyto any person whose gender might be questioned, and any living transgender or non-binary person. In summary:
- Use gendered words only if they reflect the person's latest self-identification as reported in recent sources.
- If the person is living and was not notable yet when a former name was in use, that name should not be included in any Wikipedia page, even in quotations, as a privacy matter. Exception: Do not expunge or replace names in source citations (whether as authors or mentioned in work titles).
- Former names under which a living person was notable should be introduced with "born" or "formerly" in the lead sentence of their main biographical article. Name and gender matters should be explained at first appearance in that article, without overemphasis. In articles on works or other activities of such a person, use their current name by default, and give another name associated with that context in a parenthetical or footnote, only if they were notable under that name. In other articles, do not go into detail about such a person's name or gender except when directly relevant to the context.
- Avoid confusing constructions by rewriting. Paraphrase, elide, or use square brackets to replace portions of quotations as needed to avoid confusion, former names, and mismatching gendered words.
Non-English terms
Terms without common usage in English
Non-English terms should be used sparingly. In general,use italicsfor phrases and words that are not current in English. This is best done with the{{lang}}template using the appropriateISO language code,e.g.,{{lang|es|casa}}.There are alternatives to the{{lang}}template which also provide additional information about a non-English word or phrase, such as a link to the language name;.As Wikipedia does not apply italics to names of people, places, or organizations, the alternative template{{langr}}can be used to apply the language markup without italicizing.[z]Templates like{{lang}}automatically italicize text written using the Latin Alpha bet, so specifying italics is unnecessary.
Text written in non-Latin scripts such as Greek, Cyrillic, and Chinese should not be italicized or put in bold, as the difference in script is already sufficient to visually distinguish the text. Generally, any non-Latin text should include an appropriate romanization.
Terms with common usage in English
Loanwordsand borrowed phrases that have common usage in English –Gestapo,samurai,vice versa– do not require italics. A rule of thumb is to not italicize words that appear unitalicized in major general-purpose English dictionaries.
Spelling and romanization
Names and terms originally written using a non-Latin script—such as theGreek Alpha bet,theCyrillic Alpha bet,orChinese characters—must beromanizedfor English-language use. If a particular romanization of the subject's name ismost commonin English (Tchaikovsky,Chiang Kai-shek), that form should be used. Otherwise, the romanization of names should adhere to a particular widely used system for the language in question (Aleksandr Tymoczko,Wang Yanhong).
The use ofdiacriticsin non-English words is neither encouraged nor discouraged. Use generally depends on whether they appear in reliable English-language sources, though with some additional constraints imposed by site guidelines. Provideredirectsfrom alternative forms that include or exclude diacritics.
Proper names in languages written using theLatin Alpha betcan include letters with diacritics,ligatures,and other characters that are not commonly used in contemporary English. Wikipedia normally retains these special characters, except where there is a well-established English spelling that replaces them with English standard letters. Examples:
- The name of the article on Hungarian mathematicianPaul Erdősis spelt with thedouble acute accent,and the alternative spellingsPaul ErdosandPaul Erdösredirect to that article.
- Similarly, the name of the article on the Nordic godÆgiris so spelt, with redirects from the ligature-free formAegirand the Swedish spellingÄgir.
- However, the region of Spain namedAragónin Spanish andAragóin Catalan is given asAragon,without the accent, as this is the established English name. Non-English forms with diacritics appear in the article's lead section.
Use of diacritics is determined on a topic-by-topic basis; asmall group of editorscannot prohibit or require the use of diacritics within a given class of articles.[aa]
Spell a name consistently in the title and the text of an article.For a non-English name, phrase, or word, adopt the spelling most commonly used in English-languagereliable sources,including but not limited to those already cited in the article.[ab]For punctuation of compounded forms, see relevant guidelines in§ Punctuation.
Proper namesin non-English languages should generally not be italicized, unless another reason applies; such as withtitles of major published works,e.g.,Les Liaisons dangereuses;or when being compared to other names for the same subject in awords-as-wordsmanner, e.g.,Nuremberg(German:Nürnberg).When non-English text should not be italicized, it can still be properly tagged by using the{{lang}}template with the|italic=unsetparameter:{{lang|de|Nürnberg|italic=unset}}.
Sometimes usage will be influenced by other guidelines, such as§ National varieties of English,which may lead to different choices in different articles.
Other non-English concerns
- For non-English vernacular names of species, see§ Animals, plants, and other organisms.
- For handling of quotations in languages other than English, see§ Non-English quotations.
- For non-English characters that resemble single quotation marks and apostrophes, see§ Apostrophes.
- For actual non-English quotation characters, see§ Quotation characters.
- For the capitalization in the titles of non-English language works, seeWikipedia:Manual of Style/Titles § Capitalization in foreign-language titles.
- For linear andinterlinear glossesand their particular uses of small-caps (and italics and single quotes), seeWikipedia:Manual of Style/Capital letters § All caps and small caps.
Technical language
Some topics are necessarily technical: however, editors should seek to write articles accessible to the greatest possible number of readers. Minimize the use ofjargon,and adequately explain its meaning when it is used. Overly technical material can be tagged with{{Technical}}or{{Technical-statement}},so that it can be addressed by other editors. For topics that require a more technical approach, the creation of a separate introductory article (likeIntroduction to general relativity) may be a solution.
Excessivewikilinking(linking within Wikipedia) can result from trying too hard to avoid putting explanations in parenthetical statements, like the one that appeared earlier in this sentence. Do not introduce specialized words simply to teach them to the reader when more widely understood alternatives will do.
When the concepts underlying the jargon used in an article are too complex to explain concisely in a parenthetical,write one level down.For example, consider adding a brief background section with{{main}}tags pointing to articles with a fuller treatment of the prerequisite material. This approach is practical only when the prerequisite concepts are central to the exposition of the article's main topic and when such prerequisites are not too numerous. Short articles, such asstubs,generally do not have such sections.
Geographical items
Geographicalorplace namesare the nouns used to refer to specific places and geographic features. These names often give rise to conflict, because the same places are called different things by different peoples speaking different languages. Many place names have a historical context that should be preserved, but common sense should prevail. There can be few places that have not been parts of more than one culture or have had only one name. As proper nouns, all such place names (but not terms for types of places)have major words capitalized.
A place should generally be referred to consistently by the same name as in the title of its article.An exception may be made when there is a widely accepted historical English name appropriate to the given context. In cases where such a historical name is used, it should be followed by the modern[j]name in round brackets (parentheses) on the first occurrence of the name in applicable sections of the article. This resembles linking; it should not be done to the detriment of style. On the other hand, it is probably better to provide such a variant too often than too rarely. If more than one historical name is applicable for a given context, the other names should be added after the modern English name, that is: "historical name (modern name, other historical names)".
This is an English-language encyclopedia, so established English names are preferred if they exist, and spellings in non-English Alpha bets should always be transcribed into the Roman Alpha bet. In general, other articles should refer to places by the names which are used in the articles on those places, according to the rules described atWikipedia:Naming conventions (geographic names).If a different name is appropriate in a given historical or other context, then that may be used instead, although it is normal to follow the first occurrence of such a name with the standard modern name in parentheses.
At the start of an article, provide notable equivalent names from other languages, including transcriptions where necessary:
- Cologne(German:Köln,IPA:[kœln]) is the...
- Mount Fuji(Núi Phú SĩFuji-san,IPA:[ɸuʥisaɴ]) is the...
Names in languages with no particular present-day or historical ties to the place in question (English excepted, of course) shouldnotbe listed as alternatives.
Avoid anachronism. An article aboutJunípero Serrashould say he lived inAlta Mexico,not inCalifornia,because the latter entity did not yet exist in Serra's time. The Romans invadedGaul,notFrance,andThabo Mbekiwas the president of theRepublic of South Africa,not of theCape Colony.To be clear, you may sometimes need to mention the current name of the area (for example "in what is now France" ), especially if no English name exists for that area in the relevant historical period.
Media files
Images
- Each image should be inside the level2 section to which it relates, within the section defined by the most recent
==Heading==delimited by two equal signs, or at the top of the lead section. Do not place images immediately above section headings. - Avoidsandwiching texthorizontally between two images that face each other, and between an image and an infobox or similar.
- It is often preferable to place images of people so they "look" toward the text. Do not achieve this by reversing the image.
- Anygalleriesshould comply withWikipedia:Image use policy § Image galleries.Considerlinking to additional images on Commonsinstead.
- Avoid referring to images as being to the left, the right, above or below, because image placement varies with platform, and is meaningless to people using screen readers; instead, use captions to identify images.
- An image's
|alt=text takes the image's place for those who are unable to see the image. SeeWikipedia:Manual of Style/Accessibility/Alternative text for images.
Other media
Style guidelines for still images are generally also applicable to equivalent questions regarding the use of audio and video media.
Avoid using images to display text
Textual information should always be transmittedas text,rather than in an image. True text can be easily searched, selected, copied, and manipulated by readers; its presentation can also be adjusted usingCSS.These tasks are generally difficult or impossible with text presented in an image: images are slower to download, and generally cannot be searched or processed byscreen readersused by the visually impaired. Any important textual information in an image should be provided somewhere as text, generally either in the image's caption or alt text.
For entering textual information as audio, seeWikipedia:WikiProject Spoken Wikipedia.
Captions
Photographs and other graphics should have captions, unless they are unambiguous depictions of the subject of the article or when they are "self-captioning" images (such as reproductions of album or book covers). In a biography article no caption is necessary for a portrait of the subject pictured alone, but one might be used to give the year, the subject's age, or other circumstances of the portrait along with the name of the subject.
Formatting of captions
- Captions normally start with a capital letter.[e]
- Most captions are not complete sentences but merelysentence fragmentswhich should not end with a period. However, if any complete sentence occurs in a caption, then every sentence and every sentence fragment in that caption should end with a period.
- The text of captions should not be specially formatted, except in ways that would apply if it occurred in the main text (e.g., italics for the Latin name of a species).
- Captions should be succinct; more information can be included on its description page, or in the main text.
- Captions for technical charts and diagrams may need to be substantially longer than usual; they should fully describe all elements of the image and indicate its significance.
Bulleted and numbered lists
- Do not use lists if a passage is read easily as plain paragraphs.
- Use proper wiki markup- or template-based list code.
- Do not leave blank lines between items in a bulleted or numbered list unless there is a reason to do so, since this causes the Wiki software to interpret each item as beginning a new list.
- Indents (such as this) are permitted if the elements are"child" items.
- Use numbers rather than bullets only if:
- a need to refer to the elements by number may arise;
- the sequence of the items is critical; or
- the numbering has some independent meaning, for example in a listing of musical tracks.
- Use the same grammatical form for all elements in a list, and do not mix sentences and sentence fragments as elements, for example when the elements are:
- complete sentences– each one is formatted with sentence case (its first letter is capitalized) and a final period (full point);
- sentence fragments– the list is typically introduced by an introductory fragment ending with a colon;
- titles of works– they retain the original capitalization of the titles;
- other elements– they are formatted consistently in either sentence case or lower case.
Links
Wikilinks
Makelinksonly where they are relevant and helpful in the context:Excessive use of hyperlinks can be distracting and may slow the reader down. Redundant links (like the one inthe tallest people onEarth) clutter the page and make future maintenance harder. High-value links thatareworth pursuing should stand out clearly.
Linking to sections:A hash sign (#) followed by the appropriate heading will lead to a relevant part of a page. For example,[[Apostrophe#Use in non-English names]]links to a particular section of the articleApostrophe.
Initial capitalization:Wikipedia'sMediaWikisoftware does not require that wikilinks begin with an upper-case character. Capitalize the first letter only where this is naturally called for, or when specifically referring to the linked article by its name (see also related rule foritalics in cross-references):Snakesare oftenvenomous,butlizardsonly rarely.
Check links:Ensure the destination is the intended one; many dictionary words lead to disambiguation pages and not to complete or well-chosen articles.
External links
External links should not normally be used in the body of an article. Instead, articles can include anExternal linkssection at the end, pointing to further information outside Wikipedia as distinct from citing sources. The standard format is a primary heading,==External links==,followed by a bulleted list of links. Identify the link and briefly indicate its relevance to the article. For example:
*[https://history.nih.gov/exhibits/history/index.htmlHistory of NIH]*[https://nih.gov/National Institutes of Health homepage]
These will appear as:
Where appropriate, useexternal link templatessuch as{{Official website}}and{{URL}}.
Add external links with discretion; Wikipedia isnot a link repository.
Miscellaneous
Keep markup simple
Other things being equal, keepmarkupsimple. This makes wikitext easier to understand and edit, and the results seen by the reader more predictable. Use HTML and CSS markup sparingly. See:KISS principle.
In general, wikitext formatting is considered easier to use than HTML and wikitext is preferred if there are equivalents; seeHelp:HTML in wikitext.Obsolete elements and attributesshould be updated or removed. There are many templates that allow HTML markup to be used without putting it in articles directly, such as{{em}}(seeMOS:EMPHASIS) and{{strong}}(seeMOS:BOLD).
AnHTML character entityis sometimes better than the equivalent Unicode character, which may be difficult to identify in edit mode; for example,Αis explicit whereasΑ(the upper-case form of Greekα) may be misidentified as the LatinA.
Formatting issues
Modifications in font size, blank space, and colorare an issue for the Wikipedia site-widestyle sheetand should be reserved for special cases only.
Typically, the use of custom font styles:
- reduces consistency, as the text no longer looks uniform;
- reduces usability, as it may be impossible for people with custom style sheets (e.g. for accessibility reasons) to override it, and may clash with a differentskinor inconvenience people with color blindness;and
- causes disputes, as other editors may disagree aesthetically with the choice of style.
Specify font sizesrelatively(for example withfont-size: 85%) rather thanabsolutely(likefont-size: 8pt). The resulting font size of any text should not drop below 85% of the page's default font size.
Color coding
Do not use coloraloneto mark differences in text: they may be invisible to people withcolor blindnessand useless in black-and-white printouts or displays.
Choose colors such asmaroonandtealthat are distinguishable by readers with the most common form of colorblindness, andadditionallymark the differences with change of font or some other means (maroon and alternative font face,teal). Avoid low contrast between text and background colors. See alsocolor coding.
Even for readers with unimpaired color vision, excessive background shading of table entries impedes readability and recognition of Wikilinks. Background color should be used only as asupplementaryvisual cue and should be subtle (consider using lighter, less-dominantpastelhues) rather than glaring.
Indentation
Do not use quotation templates to indent non-quotations. Various templates are available for indentation, including{{block indent}}to indent an entire block and{{in5}}to indent inline.
Do not use:(description listmarkup) to indent text in articles, even though it is common on talk pages. It causes accessibility problems and outputs invalid HTML.
Controlling line breaks
It is sometimes desirable to force a text segment to appear entirely on a single line—that is, to prevent a line break (line wrap) from occurring anywhere within it.
- Anon-breaking space(orhard space) will never be used as a line-break point. Markup: for19kg,code
19 kgor19{{nbsp}}kg. - Or use
{{nowrap}},{{nobreak}},or{{nobr}}(all equivalent). Markup: for5° 24′ N,code{{nobr|5° 24′ N}}.
It is desirable to prevent line breaks where breaking across lines might be confusing or awkward. For example:
Whether a non-breaking space is appropriate depends on context: whereas it is appropriate to use12{{nbsp}}MBin prose, it may be counterproductive in a table (where an unattractive break may be acceptable to conserve precious horizontal space) and unnecessary in a short parameter value in an infobox (where a break would never occur anyway).
A line break may occur at athin space( ,or{{thinsp}}), which is sometimes used to correct too-close placement of adjacent characters. To prevent this, consider using{{nobr}}.
Insert non-breaking and thin spaces asnamed character reference(or ), or as templates that generate these ({{nbsp}},{{thinsp}}), and never by entering them directly into the edit window from the keyboard – they are visually indistinguishable from regular spaces, and later editors will be unable to see what they are. Inside wikilinks, a construction such as[[World War II]]works but[[World War{{nbsp}}II]]doesn't.
Scrolling lists and collapsible content
Elements that can selectively display or hide content can interfere with the ability of readers to access said content. These mechanisms includescrolling lists,and templates like{{collapse}}that can be toggled between collapsed and uncollapsed states using a [hide / show] button. These mechanisms should not be used to conceal "spoiler"information. Templates should generallynot be used to store article textat all, as it interferes with editors' ability to find and edit it. Moreover, content in an article shouldneverbe collapsed by default. This applies equally to content infootnotes,tables,andembedded lists,image galleries,andimage captions.
If such mechanisms are used, care must be taken to ensure the content remains accessible for all users, includingthose with limited CSS or JavaScript support.When collapsing is desired, it must be done using thecollapsibleparameter of relevant templates, or certain manually-added CSS classes (seeHelp:Collapsing). Other methods of hiding content should not be used, as they may render content inaccessible to many users, such as those browsing Wikipedia withJavaScriptdisabled or using proxy services such asGoogle Web Light.
Collapsed or auto-collapsingcellsorsectionsmay be used with tables if they simply repeat information covered in the main text (or are purely supplementary, e.g., several past years of statistics in collapsed tables for comparison with a table of uncollapsed current stats). Auto-collapsing is often a feature ofnavboxes.A fewinfoboxesalso use pre-collapsed sections for infrequently accessed details. If information in a list, infobox, or other non-navigational content seems extraneous or trivial enough to inspire pre-collapsing it, consider raising a discussion on the article (or template) talk page about whether it should beincluded at all.If the information is important and the concern is article density or length, considerdividing the article into more sections,integratingunnecessarily list-formatted informationinto the article prose, orsplitting the article.
Invisible comments
Editors use "invisible" comments – not shown in the rendered page seen by readers of the article, but visible in the source editing mode when an editor opens the article for editing – to communicate with one another.
Invisible comments are useful for alerting other editors to issues such as common mistakes that regularly occur in the article, a section title's being the target of an incoming link, or pointing to a discussion that established a consensus relating to the article. They should not be used to instruct other editors not to perform certain edits, which could be perceived as expressing a form ofownershipover an article, although where existing local consensus is against making an edit they may usefully draw the editor's attention to that. Avoid adding too many invisible comments because they can clutter the wiki source for other editors. Check that your invisible comment does not change the formatting, for example by introducing unwanted white space in the rendered page.
To leave an invisible comment, enclose the text you intend to be read only by editors between<!--and-->.For example:
<!-- If you change this section title, also change the links to it on the pages... -->(there are bots which can do this, seeMOS:RENAMESECTION)<!-- When adding table entries, remember to update the total given in the text. -->
This notation can be inserted with a single click inwiki markup,just under the edit pane in edit mode.
Pronunciation
Pronunciationin Wikipedia is indicated in theInternational Phonetic Alphabet(IPA). In most situations, for ease of understanding by the majority of readers and across variants of the language,quite broadIPA transcriptions are best for English pronunciations. SeeHelp:IPA/EnglishandHelp:IPA(general) for keys, and{{IPA}}for templates that link to these keys. For English pronunciations,pronunciation respellingsmay be usedin addition tothe IPA.
See also
- Editing policy– explains Wikipedia's general philosophy of editing
- Wikipedia is not a manual, guidebook, textbook, or scientific journal– we write for a general, not technical, readership as much as we can
- Manual of Style tutorial– a quick introduction to the style guide for articles
- Manual of Style quiz– test your Manual of Style knowledge
- Styletips– a list of advice for editors on writing style and formatting
- Manual of Style Contents– guidelines for film, novels, biographies, military history, etc.
- Identifying and using style guides– an essay providing a summary of off-site style guides' influences on MoS and their uses as sources in Wikipedia articles
- Wikipedia:If MOS doesn't need a rule on something, then it needs to not have a rule on that thing– resisting MOSbloat
Guidance
- Annotated article– is a well-constructed sample article, with annotations
- Article development– lists the ways in which you can help an article grow
- Basic copyediting– gives helpful advice on copy-editing
- Better articles– guidance on how to make articles better
- Perfect article– point-by-point guidance on what makes a great article
- Avoiding common mistakes– gives a list of common mistakes and how to avoid them
- Be bold– suggests a bold attitude toward page updates
- Citing sources– explains process and standards for citing references
- Editing– is a short primer on editing pages
- Style guide– contains links to the style guides of some magazines and newspapers
- Wiki markup– explains the codes and resources available for editing a page
- Wikipedia:inversusof– proper use ofinandof(or some alternatives, asfromandon)
Tools
- User:GregU's dashes script– a script that will fix dashes in articles in accordance with MOS:DASH
- User:Ohconfucius MOSDATE script– a script that will unify dates in articles in accordance with MOS:DATEFORMAT
Other community standards
- List of policies– a comprehensive, descriptive directory of policies
- List of guidelines– a comprehensive descriptive directory of guidelines
- Community standards and advice– a quick directory of community norms and related guidance essays
- Advice pages– about advice pages written by WikiProjects
Guidelines within the Manual of Style
(Links to policy and guidelines on specific questions)
Names
- Proper names:
- Generally (dedicated MOS page):Wikipedia:Manual of Style/Proper names
- Place names:Wikipedia:Manual of Style/Proper names § Place names
- Diacritical marks in names:Wikipedia:Manual of Style/Proper names § Diacritics
- Peoples and languages that share the same name:Wikipedia:Manual of Style/Proper names § Peoples and their languages
- Names of ships in article titles and in the body of articles:Wikipedia:Naming conventions (ships)
- Naming and identifying individuals and peoples:
- Generally:§ Identity
- Specifically (for individuals):Wikipedia:Manual of Style/Biographies § Names
- Opening paragraph of biographies:Wikipedia:Manual of Style/Biographies § Opening paragraph
- Names of organizations:
- Generally (has application beyond the topic guideline in which it is currently located):Wikipedia:Manual of Style/Cue sports § Respect for official organization names
- Names that are also trademarks (dedicated MOS page):Wikipedia:Manual of Style/Trademarks
- Names of animal and plant species, etc. (in article titles):Wikipedia:Naming conventions (fauna),Wikipedia:Naming conventions (flora)
Notes
- ^This is a matter of policy atWikipedia:Consensus § Level of consensus:"Consensus among a limited group of editors, at one place and time, cannot override community consensus on a wider scale. For instance, unless they can convince the broader community that such action is right, participants in a wikiproject cannot decide that a Wikipedia policy or guideline does not apply to articles within its scope." And: "Wikipedia has a higher standard of participation and consensus for changes to policies and guidelines than to other types of pages." Subordinate pages includeMoS detail pages,style essays,and theSimplified Manual of Style.
- ^abThese matters have been addressed in rulings ofArbComin2005,2006,2009,and2015.
- ^For the origin of this phrasing, seeArbComdecisions inJune 2005,November 2005,and2006
- ^See2017 ArbCom decision,andWikipedia:AutoWikiBrowser § Rules of use;bot-like editing that continues despite objections or that introduces errors may lead to ablockand to revocation of semi-automated tools privileges.
- ^abcdWikipedia usessentence casefor sentences,article titles,section titles,table headers,image captions,list entries(in most cases), and entries ininfoboxesand similar templates, among other things. Any MoS guidance about the start of a sentence applies to items using sentence case.
- ^Phrases such asIn early lifeare acceptable (though not required) as section headings. They are also used frequently as part of longer article titles such asPiracy in the Caribbean,especially when a shorter construction (Caribbean piracy) may have ambiguity issues.
- ^abcCurly quotation marks and apostrophes are deprecated on the English Wikipedia because straight quotation marks and apostrophes are easier to type reliably on most platforms.
- ^A comment outside the
== ==but on the same line may cause the section-editing link to fail to appear at all; in other browsers, it may appear, but using it will cause the section heading to not automatically be added to the edit summary. - ^To find out how many inlinks there are to the old section title and what articles have them, you can executethis advanced search,changingarticleto the name of the article, andoldsectionto the old section title. That advanced search does not searchredirects,so also check the article'sSpecial:WhatLinksHerepage for redirects to the old section title. If there are only a small number of links to the old section title, it may be better to just update them.
- ^abcdefgIn MoS's own wording, "recent", "current", "modern", and "contemporary" in reference to sources and usage should usually be interpreted as referring to reliable material published within the last forty years or so. In the consideration of name changes of persons and organizations, focus on sources from the last few years. For broader English-language usage matters, about forty years is typical. While style guides with fewer than five years in print have not been in publication long enough to have had as much real-world impact as those from around 2000–2015 (on which MoS is primarily based), the corpora used forGooglengramsare updated through 2022, and we frequentlyrely onwhat they indicate from the late 20th century and onward.
- ^There are some rare additional exceptions to capitalization of eponyms, in which a term has been strongly conventionalized in lower-case, i.e., is preferred that way in a majority of major English-language dictionaries. For example,parkinsoniandescribes a patient exhibiting symptoms ofParkinson's disease.Linguistics/orthography use of the termslatinize,romanize,andanglicizeare increasingly lower-case,anditalic[s]in typography always is.
- ^Breeds guideline added per aDecember 2018 RfC."Standardized breed" lacks a perfectly clear meaning, but does encompass any breed subject to thebreed standardorstudbookof a notable breeder/fancier organization. Various other groupings of domesticated animals are not standardized breeds: ancient historical varieties, breed groups, feral populations, landraces, andcrossbreedsorhybridsthat no major organizations recognize as breeds. Many often are notnotableanyway.
- ^"Quoted text" for typographic conformity and many other purposes includes titles of works, names of organizations, and other strings that are, in essence, quoted. Example: things like "Mexican-American War" are routinely corrected to "Mexican–American War" on Wikipedia, including in titles of cited sources. This has no effect on searching for the works we have cited, since all major search engines disregard punctuation marks.
- ^Double quotation marks are preferred to single because they are immediately distinguishable from apostrophes:
- She wrote that 'Cleanthes' differs from the others', but neither opinion may represent Hume's'(slows the reader down).
- She wrote that "Cleanthes' differs from the others', but neither opinion may represent Hume's"(clearer).
- ^"Series title italicized" is usingseriesto mean the entire show as a whole. A season (also called aseriesin British English) with its own title uses quotation marks for that title, as a sub-work.
- ^This is the principal way in which logical quotation differs from typical British news punctuation practice, in which many publishers permit such a change to the quoted material, which is antithetical to the accuracy purpose of logical punctuation.
- ^Specifically, compoundattributives,which are modifiers of a noun that occur within thenoun phrase.
- ^A change from a general preference for two digits, to a general preference for four digits, on the right side ofyear–yearranges was implemented in July 2016 perthis RFC.For more information seeWikipedia:Manual of Style/Dates and numbers § Ranges.
- ^It is not logically possible to have a "12–35 victory",except in a game where a lower score is better. Otherwise, use a construction likeClovis beat Portales, 35–12,orJameson lost the election, 2345 votes to 6789, to Garcia,with parties, result, and number order in logical agreement.
- ^Thehair spaceshould be done as{{hair space}}because the actual Unicode character ( ) is almost invisible, the meaning of the numerical HTML entity ( ) is relatively obscure, and the named HTML entity " "is not standard and unsupported in some browsers.
- ^In unusual cases where a lack of spacing could create confusion, such as when a citation is immediately preceded by other superscripted text, ahair spacecan be inserted between a
<ref>...</ref>tag and the content preceding it. - ^abThepassive voiceis inappropriate for some forms of writing, but it is widely used in encyclopedia articles, because the passive voice avoids inappropriate first- and second-person constructions as well as tone problems. The most common uses of encyclopedic passive are to keep the focus on the subject instead of performing anews-styleshift to dwelling on a non-notable party. ContrastThe break-in was reported to police the next morning,versusAssistant manager Peggy Plimpton-Chan reported the break-in to police the next morning.
- ^As usual, direct quotations should not be altered in such a regard, and have no effect on determination of consistency within Wikipedian-authored content.
- ^SeeWikipedia talk:Manual of Style/Archive (ships as "she" )– an index of recurrent debates about this subject, from 2004 though 2022.
- ^SeeWikipedia talk:Manual of Style/Archive 167 § WP:SHE for steam locomotives as well as ships– concluded with a strong consensus against the practice.
- ^This has the benefit of helping screen readers pronounce the name correctly. Such a proper name may be italicized when contrasting it with a conventional English form:Munich (German:München).
- ^See the near-unanimousRfC,repeateddeletionatWikipedia:Miscellany for deletionof an anti-diacritics "wikiproject", the policyWikipedia:Consensus § Levels of consensus,and theWikipedia:Arbitration Committee's standardizedstatements of principleson such matters.
- ^Reputable English-language encyclopedias and dictionaries in the aggregate are often helpful indetermining the most widely accepted spellingof a place name, loanwords, etc. It may also help (within limits) to compare search results from theGoogle Scholarjournal index, for topics likely to be covered in peer-reviewed academic papers.
References
- ^"T134423 Deprecate nonstandard behavior of self-closed HTML tags in wikitext".phabricator.wikimedia.org.Retrieved2019-09-25.
- ^Ishida, Richard (2015)."Using b and i elements".W3C Internationalization.World Wide Web Consortium.Retrieved1 September2016.
the content of a
belement may not always be bold, and that of anielement may not always be italic. - ^"Hyphens, En Dashes, Em Dashes".chicagomanualofstyle.org.Chicago Manual of Style.Retrieved9 March2022.
Further reading
Wikipedians are encouraged to familiarize themselves with modern editions of other guides to style and usage, which may cover details not included here. Those that have most influenced the Wikipedia Manual of Style are:
- The Chicago Manual of Style(University of Chicago Press). TheCMS Crib Sheetis free online, and summarizes the main provisions.
- Oxford Guide to Style(Oxford University Press). A compressed edition is available asNew Hart's Rules.Available with its companion, theOxford Dictionary for Writers and Editors,in one volume asNew Oxford Style Manual
- Scientific Style and Format(Council of Science Editors)
- Garner's Modern English Usage(Oxford University Press)
- Fowler's Dictionary of Modern English Usage(Oxford University Press; primarily British English)
- The MLA Style Manual(Modern Language Association)
- The Elements of Styleby Strunk & White
