Wikipedia:Naming conventions (standard letters with diacritics)

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Summary

This (proposed) guideline tries to distinguish when accents (also known as diacritics) should be used in an article title, and when they should be used only within the body of the article.

In standard English, there are 26 letters (for simplicity's sake, only lowercase will be used):

a b c d e f g h i j k l m n o p q r s t u v w x y z

However, many words from other languages have been

Brontë

.

Guideline in a nutshell

Diacritics should only be used in an article's title, if it can be shown that the word is routinely used in that way, with diacritics, in common usage. This means in reliable English sources, such as encyclopedias, dictionaries, or articles in major English-language newspapers.
If the word is routinely listed in reliable English sources without diacritics, then the Wikipedia article should follow that method for the article title, though the diacritics version should be given in the initial paragraph of the article as suggested in Wikipedia:Naming conventions (use English).
If it is not clear what "common usage" is, then the general Wikipedia guideline is to avoid use of diacritics in article titles.

For exceptions to the above rules (such as technical issues), and further explanation, please see the remainder of the guideline below.

Scope

This guideline is about standard letters (a-z/A-Z) with diacritics, existing in languages of which the native script is based on the Latin alphabet:

Spanish
, and many others).
Spanish
, etc...)

As a

Wikipedia:Naming conventions

guideline, this guideline is about article names, not about the use of alternate versions with or without diacritics in the body of the Wikipedia articles.

This guideline does not apply to redirect pages, which can (and should) use diacritics to ensure that all popular variations of a name's spelling, still redirect to the proper article. Conversely, in those cases, like

Wikipedia:Naming conventions (precision)

.

Other types of diacritics, non-standard letters and ligatures

The majority of this guideline is about "standard" letters with diacritics as are seen in the section above. Thus, this guideline does not apply to the following letters:

Ð/ð - The
lower case
variant is an altogether different character (not the regular form of a d (as in a-z));
ɨ - and other IPA-specific glyphs containing what looks like a diacritic;
ί, ἰ, ύ, and other diacritics used in languages for which the standard notation doesn't use the Latin alphabet;
Diacritics used in some romanization/transliteration systems (e.g. Pinyin);
Ligatures like œ and æ (see: Wikipedia:Naming conventions (use English)#Æ/æ/Œ/œ
);

ß - found in the German alphabet;
þ
- used, for example, in Icelandic;
Ə/ə - found in the Azeri alphabet
Signs used to indicate metre schemes in poetry (see for example Dactylic hexameter).

For special-case characters such as þ, ð and ß, because of the limited geographic regions in which these letters are used, English-speakers in other parts of the world (especially those for whom English is a second language) often find these symbols incomprehensible and unpronounceable. Difficulties also arise in terms of how to alphabetize them, since most English speakers, even those for whom English is their native language, do not know where to place them in a standard alphabet. As a result, this guideline recommends that their use be avoided in article titles.

Guideline

If the usual English version of a proper name has a diacritic ("Thomas à Kempis", "Brontë"), the article title should also use the version with the diacritic. Similarly for names with

heavy metal umlauts ("Motörhead"), if printable ("Die Ärzte

" and not "Die A⃛rzte").

Also, if for a noun the major dictionaries (

OED

;...) concur that it is always written with a diacritic, the Wikipedia content page is always at the version with diacritic (e.g. "cliché").

In more ambiguous cases, a standard letter (a-z/A-Z) with a diacritic is acceptable in an article title if all of the following conditions are met:

The article title does not have some other usual English version. For example, the German name of

Frederick II of Prussia

There are multiple English-language reliable publications which use the version with diacritics
There is no other naming convention (policy, guideline) that would have the page at a different name;
It is a pre-combined printable character.

Other exceptions are supported, for example as a result of a

official naming conventions policy

("Generally, article naming should give priority to what the majority of English speakers would most easily recognize, with a reasonable minimum of ambiguity, while at the same time making linking to those articles easy and second nature").

Specifics according to language of origin

preliminary remark: if the use (or not) of a diacritic in English is a "national varieties of English" issue (e.g. "faconne" according to US practice and "façonné" according to UK practice), the issue should be dealt with as described in Wikipedia:Manual of Style#National varieties of English

Specific languages using the (extended) Latin alphabet

Irish: See:
Wikipedia:Manual of Style (Ireland-related articles)
(geographical names; names of people).

Other

Languages using Arabic script: See:
Wikipedia:Naming conventions (Arabic)
Chinese: See: Wikipedia:Naming conventions (Chinese)
Languages using Cyrillic alphabet: See : Wikipedia:Naming conventions (Cyrillic) (Belarusian, Bosnian, Bulgarian, Macedonian, Russian, Serbian, Ukrainian)
Greek: See: Wikipedia:Naming conventions (Greek)
Hebrew: See: Wikipedia:Naming conventions (Hebrew)
Indo-Aryan languages: See: Wikipedia:Naming conventions (Dharmic) and Wikipedia:Naming conventions (Indic)
Japanese: See:
Wikipedia:Manual of Style (Japan-related articles)
Korean: See: Wikipedia:Naming conventions (Korean)

Printability

In any case, in names of content pages, characters that are not printable on every machine are to be avoided.

For article text the problem can be avoided by using the {{unicode}} template. In article titles that workaround can not be used.

See

Α - which is the same glyph as the "A" from Latin alphabet - but, in unicode

, a different codepoint (in a different range), non-printable on several machines.

Sticking to the Latin alphabet, there is for example this non-printable character (an "A", with a diacritical mark under it): Ḁ (unicode: "Ḁ").

Likewise,

Don͂a (unicode: "Don͂a" - note that this is also rendered completely different in MSIE and most other browsers on non-MS Windows operating systems

).

Category sort key

See Wikipedia:Categorization#Category sorting

When a diacritic is used in a page name, categories are used with a category sort key based on the variant without diacritic, regardless of

alphabetization

rules in the originating language, example:

Étretat: [[Category:Communes of Seine-Maritime|Etretat]]
François Péron: [[Category:French naturalists|Peron, Francois]]

Being consistent

After the choice has been made whether a name is written with or without diacritics in a page name, other Wikipedia content pages (including

categories

) referring to this topic adopt the same format in the page name. Examples:

George Frideric Handel (and not Georg Friedrich Händel nor George Frederick Haendel) leads to:
- Categories, per
  Wikipedia:Naming conventions (categories): Category:Compositions by George Frideric Handel

Camille Saint-Saëns (and not Camille Saint-Saens):
- Lists, in article namespace: List of compositions by Camille Saint-Saëns
- Categories, Category:Compositions by Camille Saint-Saëns
- Bracketed disambiguation, Violin Concerto No. 3 (Saint-Saëns)

Rationale

Several polls have been held regarding the use of diacritics in Wikipedia. Notably, a survey that ran from April 2005 to October 2005 ended with a result of 62–46 (57.4%–42.6%) in favor of diacritics. One of the reasons that such polls usually don't end in a clear consensus one way or another is that the issue is easily presented in a fashion of "always diacritics" or "never diacritics". This is however not the way the English language works:

The English language is not completely diacritic free, examples: provençal, château, piñata;
Some words can be used interchangeably with or without accent, example:
cafe
;
Some words have a different meaning when used with or without accent, example:
cañon (=canyon
);

Some loanwords obviously lost their accent in English, examples: siege, chassis;
There are some differences between national varieties of English, examples:
OED
);
For loanwords, not all languages keep their accents as easily: most accents in English derive from French, some others from Spanish (for example
böttger ware from German, auto-da-fé from Portuguese. This also limits the diacritics encountered in loanwords to those used in these languages (so, in English more or less limited to grave accent, acute accent, circumflex, diaeresis / umlaut, and for consonants: cedilla and ñ
)

Other cited problems with diacritic letters in article titles include:

They are difficult to type for many people, and make linking difficult.
They can make pronunciation of the article title unclear, for a reader who is not familiar with those symbols
They interfere with proper sorting of articles in category listings
They don't always show up properly on everyone's web browsers
They sometimes cause problems with copy-pasting (for example, if Microsoft Notepad does not handle diacritics properly)
They make URLs unnecessarily complicated and difficult to read.

Only very exceptionally does English use an accent where other languages don't, for example: Thomas à Kempis (compare, Dutch: Thomas a Kempis; French: Thomas a Kempis; German: Thomas von Kempen)

For these reasons (while diacritics are neither always applied as in the original language, nor always abandoned when anglicizing), a guideline on the use of diacritics in Wikipedia can not be put in terms of either "always diacritics" or "never diacritics".