Property talk:P6519

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ISO 639-3 Change Request ID
Identifier for requested changes to ISO 639-3 language codes. Identifier is issued by the ISO 639-3 registration authority.

Represents	ISO 639-3 change request (Q61684899)
Data type	External identifier
Allowed values	2\d{3}-\d{3}
Example	ISO 639-3 change request 2008-040 (Q61639834) → 2008-040 ISO 639-3 change request 2014-053 (Q61686517) → 2014-053
Source	https://iso639-3.sil.org/code_changes/change_request_index/data
Formatter URL	https://iso639-3.sil.org/request/$1
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) Database reports/Constraint violations/P6519 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 15 Main statement 9 60% of uses Qualifier 2 13.3% of uses Reference 4 26.7% of uses
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[create Create a translatable help page (preferably in English) for this property to be included here]

Single value: this property generally contains a single value. (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/P6519#Single value, SPARQL

Distinct values: this property likely contains a value that is different from all other items. (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/P6519#Unique value, SPARQL (every item), SPARQL (by value)

Format “2\d{3}-\d{3}”: value must be formatted using this pattern (PCRE syntax). (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/P6519#Format, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (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/P6519#Entity types

Scope is as main value (Q54828448), as reference (Q54828450): the property must be used by specified way only (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/P6519#Scope, SPARQL

Not rendered as a link

@Pintoch: Thank you for creating this property! Do you know why values such as ISO 639-3 Change Request ID (P6519) of ISO 639-3 change request 2008-040 (Q61639834) don’t get rendered as a clickable hyperlink? — Sascha (talk) 16:30, 21 February 2019 (UTC)

@Sascha: it's a cache issue - you need to purge the cache of the pages where it happens, by doing any edit on them or by visiting https://www.wikidata.org/wiki/Q61639834?action=purge (which I have done) in the case of your example. − Pintoch (talk) 17:05, 21 February 2019 (UTC)