@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix mcr: <https://registry.apicrafter.io/vocab#> .
@prefix dt: <https://registry.apicrafter.io/datatype/> .
@prefix cat: <https://registry.apicrafter.io/category/> .
@prefix country: <https://registry.apicrafter.io/country/> .
@prefix tool: <https://registry.apicrafter.io/tool/> .

dt:ietf_rfc a skos:Concept ;
    skos:inScheme <https://registry.apicrafter.io/> ;
    skos:topConceptOf <https://registry.apicrafter.io/> ;
    skos:notation "ietf_rfc" ;
    skos:prefLabel "IETF RFC reference"@en ;
    skos:definition "Reference to a Request for Comments document of the IETF and the RFC Editor, by its number, sometimes with a section. Protocol registries and standards documents cite their sources this way."@en ;
    skos:example "[RFC 1918]" ;
    skos:example "[RFC 791, Section 3.2]" ;
    mcr:status "draft" ;
    mcr:isPII false ;
    mcr:regexp "^\\[?RFC ?\\d{1,5}(, Section [\\d.]+)?\\]?$" ;
    rdfs:seeAlso <https://www.rfc-editor.org/> ;
    rdfs:seeAlso <https://en.wikipedia.org/wiki/Request_for_Comments> .