Property talk:P506

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ISO 15924 alpha-4 code
4-letter identifier for a script, writing system, or typeface/style used in one or more languages

Description	four-letter and numeric code for writing systems
Data type	External identifier
Template parameter	'ISO15924=', 'iso15924=', in de:Vorlage:Infobox Schrift, en:Template:Infobox writing system or fr:Modèle:Infobox Système d'écriture
Domain	According to this template: writing system According to statements in the property: notation (Q2001982) When possible, data should only be stored as statements
Allowed values	[A-Z][a-z]{3} (four basic Latin letters (normally not case-sensitive, but the recommanded capitalization of just the initial is required in values used on Wikidata))
Example	Hangul (Q8222) → Hang Greek alphabet (Q8216) → Grek Latin script (Q8229) → Latn Cyrillic script (Q8209) → Cyrl Latin, Gaelic type (Q1432616) → Latg jamo (Q41799425) → Jamo reserved for private use (start) (Q109986276) → Qaaa reserved for private use (end) (Q110240135) → Qabx
Source	http://www.unicode.org/iso15924/iso15924-codes.html
See also	ISO 15924 numeric code (P2620), IETF language tag (P305)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other external identifier Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Database reports/Constraint violations/P506 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 281 Main statement 273 97.2% of uses Qualifier 8 2.8% of uses
Search for values

[create Create a translatable help page (preferably in English) for this property to be included here]

Distinct values: this property likely contains a value that is different from all other items. (Help)

List of violations of this constraint: Database reports/Constraint violations/P506#Unique value, hourly updated report, SPARQL (every item), SPARQL (by value)

Single value: this property generally contains a single value. (Help)

List of violations of this constraint: Database reports/Constraint violations/P506#Single value, hourly updated report, SPARQL

Format “[A-Z][a-z]{3}”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P506#Format, hourly updated report, SPARQL

Item “ISO 15924 numeric code (P2620)”: Items with this property should also have “ISO 15924 numeric code (P2620)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P506#Item P2620, search, SPARQL

Type “notation (Q2001982)”: item must contain property “instance of (P31)” with classes “notation (Q2001982)” or their subclasses (defined using subclass of (P279)). (Help)

List of violations of this constraint: Database reports/Constraint violations/P506#Type Q2001982, hourly updated report, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

List of violations of this constraint: Database reports/Constraint violations/P506#Entity types, hourly updated report

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

List of violations of this constraint: Database reports/Constraint violations/P506#Scope, hourly updated report, SPARQL

This property is being used by: hy:Կաղապար:Տեղեկաքարտ Այբուբեն ru:Шаблон:Письменность eo:Ŝablono:Informkesto skribo ca:Plantilla:Infotaula sistema d'escriptura ast:Plantía:Ficha de sistema d'escritura ang:Bysen:Cyþþubox sprǣc es:Plantilla:Ficha de sistema de escritura kab:Talɣa:Databox writing system ha:Template:Databox writing system hu:Sablon:Írásrendszer infobox incubator:Template:Wp/shi/Databox writing system, incubator:Template:Wp/zgh/Databox writing system shi:Talɣa:Databox writing system uz:Andoza:Yozuv bilgiqutisi ga:Teimpléad:WD Bosca Sonraí Córais Scríbhneoireachta ff:Template:Databox writing system oc:Modèl:Infobox Sistèma d'escritura zgh:ⴰⵍⴱⵓⴹ:Databox writing system kcg:Ta‌̱mpi‌̱let:Databox writing system gpe:Template:Databox writing system Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

Wikimedia projects

Should we expand the domain to include Wikipedia language edition (Q10876391)? --Infovarius (talk) 08:40, 10 January 2016 (UTC)

No. This a property for writing systems (scripts represented in the ISO 15924 standard, including variants that may be unified in the Unicode/ISO/IEC 10646 standard, or distinguished in ISO 15924 for bibliographic classification purposes, and scripts that are still not encoded and not supported in Unicode), not languages (or macrolanguages, language families, and other langoids) using them (these are coded and used normally according BCP 47, based on ISO 639, but some legacy Wikipedia editions deviate from that BCP 47 standard in the codification of their domain names, including for legacy "*.sc" and "*-el" script variants of some Serbo-Croatian languages; for strict conformance to web standards and other databases however, standard BCP47 tags should be used everywhere in main Wikidata properties: exceptions are only tolerated for the Wikimedia interwiki links and should never be used to translations of labels for Wikidata items or lexemes).

In addition the Wikipedia editions sometimes target multiple scripts, that are distinguished here, but supported on the same wiki using transliterators). For example, listing Wikipedia editions for the Latin script would be very irrelevant (and it is a constantly open list). Legacy Wikimedia exceptions to the BC47 standard should be listed in properties for langoids, but not maintained here. Verdy p (talk) 19:06, 11 May 2023 (UTC)