Module:Authority control

Related pages
Template (talk) Template sandbox Template testcases Template doc Template subpages Module (talk) Module sandbox Module testcases Module doc Module subpages

This module contains the code of the {{Authority control}} template. See its documentation.

Parameters, Wikidata properties, and tracking categories

Parameter	Label	Wikidata property	Tracking categories and page counts
		Articles	User pages	Misc. pages	Faulty IDs
AAG	AAG	P3372:	0	0	0	0
ACM-DL	ACM DL	P864:	0	0	0	0
ADB	ADB	P1907:	0	0	0	0
AGSA	AGSA	P6804:	0	0	0	0
autores.uy	autores.uy	P2558:	0	0	0	0
AWR	AWR	P4186:	0	0	0	0
BALaT	BALaT	P3293:	0	0	0	0
BIBSYS	BIBSYS	P1015:	0	0	0	0
Bildindex	Bildindex	P2092:	0	0	0	0
BNC	BNC	P1890:	0	0	0	0
BNE	BNE	P950:	0	0	0	0
BNF	BNF	P268:	0	0	0	0
Botanist	Botanist	P428:	0	0	0	0
BPN	BPN	P651:	0	0	0	0
CANTIC	CANTIC	P1273:	0	0	0	0
CINII	CiNii	P271:	0	0	0	0
DAAO	DAAO	P1707:	0	0	0	0
DBLP	DBLP	P2456:	0	0	0	0
DSI	DSI	P2349:	0	0	0	0
FNZA	FNZA	P6792:	0	0	0	0
GND	GND	P227:	0	0	0	0
HDS	HDS	P902:	0	0	0	0
IAAF	IAAF	P1146:	0	0	0	0
ICIA	ICIA	P1736:	0	0	0	0
ISNI	ISNI	P213:	0	0	0	0
Joconde	Joconde	P347:	0	0	0	0
KULTURNAV	KulturNav	P1248:	0	0	0	0
LCCN	LCCN	P244:	0	0	0	0
LIR	LIR	P886:	0	0	0	0
LNB	LNB	P1368:	0	0	0	0
Léonore	Léonore	P640:	0	0	0	0
MBA	MusicBrainz	P434:	0	0	0	0
MBAREA	MusicBrainz	P982:	0	0	0	0
MBI	MusicBrainz	P1330:	0	0	0	0
MBL	MusicBrainz	P966:	0	0	0	0
MBP	MusicBrainz	P1004:	0	0	0	0
MBRG	MusicBrainz release group	P436:	0	0	0	0
MBS	MusicBrainz	P1407:	0	0	0	0
MBW	MusicBrainz work	P435:	0	0	0	0
MGP	MGP	P549:	0	0	0	0
NARA	NARA	P1225:	0	0	0	0
NCL	NCL	P1048:	0	0	0	0
NDL	NDL	P349:	0	0	0	0
NGV	NGV	P2041:	0	0	0	0
NKC	NKC	P691:	0	0	0	0
NLA	NLA	P409:	0	0	0	0
NLG	NLG	P3348:	0	0	0	0
NLI	NLI	P949:	0	0	0	0
NLK	NLK	P5034:	0	0	0	0
NLP	NLP	P1695:	0	0	0	0
NLR	NLR	P1003:	0	0	0	0
NSK	NSK	P1375:	0	0	0	0
NTA	NTA	P1006:	0	0	0	0
ORCID	ORCID	P496:	0	0	0	0
PIC	PIC	P2750:	0	0	0	0
RID	ResearcherID	P1053:	0	0	0	0
RERO	RERO	P3065:	0	0	0	0
RKDartists	RKD	P650:	0	0	0	0
RKDID	RKDimages ID	P350:	0	0	0	0
RSL	RSL	P947:	0	0	0	0
SBN	ICCU	P396:	0	0	0	0
SELIBR	SELIBR	P906:	0	0	0	0
SIKART	SIKART	P781:	0	0	0	0
SNAC-ID	SNAC	P3430:	0	0	0	0
SUDOC	SUDOC	P269:	0	0	0	0
S2AuthorId	S2AuthorId	P4012:	0	0	0	0
TA98	TA98	P1323:	0	0	0	0
TDVİA	TDVİA	P7314:	0	0	0	0
TE	TE	P1693:	0	0	0	0
TePapa	TePapa	P3544:	0	0	0	0
TH	TH	P1694:	0	0	0	0
TLS	TLS	P1362:	0	0	0	0
Trove	Trove	P1315:	0	0	0	0
ULAN	ULAN	P245:	0	0	0	0
USCongress	US Congress	P1157:	0	0	0	0
VIAF	VIAF	P214:	0	0	0	0

Additional tracking categories

This module also implements the following hidden tracking categories:

• Category:Pages with red-linked authority control categories (0) – error category to identify missing categories
• Category:Wikipedia articles with deprecated authority control identifiers (0) – fix/migrate/remove deprecated IDs
• Category:Wikipedia articles with suppressed authority control identifiers (0) – tracking only (no error)
• Category:Pages using authority control with parameters (0) – migrate IDs to Wikidata if possible (no error)
• Category:VIAF not on Wikidata (0)
• Category:VIAF different on Wikidata (0)
• Category:Wikipedia articles with WorldCat identifiers (0)
• Category:Wikipedia articles with WorldCat-LCCN identifiers (0)
• Category:Wikipedia articles with WorldCat-VIAF identifiers (0)

Number of identifiers

• Category:AC with 25 elements (0)
• Category:AC with 26 elements (0)
• Category:AC with 27 elements (0)
• Category:AC with 28 elements (0)
• Category:AC with 29 elements (0)
• Category:AC with 30 elements (0)
• Category:AC with 31 elements (0)
• Category:AC with 32 elements (0)
• Category:AC with 33 elements (0)
• Category:AC with 34 elements (0)
• Category:AC with 35 elements (0)
• Category:AC with 36 elements (0)
• Category:AC with 37 elements (0)
• Category:AC with 38 elements (0)
• Category:AC with 39 elements (0)

---

require('Module:No globals')

local p = {}
local title = mw.title.getCurrentTitle()
local namespace = title.namespace
local testcases = (string.sub(title.subpageText,1,9) == 'testcases')

--[[==========================================================================]]
--[[                            Category functions                            ]]
--[[==========================================================================]]

function p.getCatForId( id )
	local catName = ''
	if namespace == 0 then
		catName = 'Wikipedia articles with '..id..' identifiers'
	elseif namespace == 2 and not title.isSubpage then
		catName = 'User pages with '..id..' identifiers'
	else
		catName = 'Miscellaneous pages with '..id..' identifiers'
	end
	return '[[Category:'..catName..']]'..p.redCatLink(catName)
end

function p.redCatLink( catName ) --catName == 'Blah', not 'Category:Blah', not '[[Category:Blah]]'
	if catName and catName ~= '' and
	   testcases == false and
	   mw.title.new(catName, 14).exists == false
	then
		return '[[Category:Pages with red-linked authority control categories]]'
	end
	return ''
end

--[[==========================================================================]]
--[[                      Property formatting functions                       ]]
--[[==========================================================================]]

function p.aagLink( id )
	--P3372's format regex: \d+ (e.g. 1)
	if not id:match( '^%d+$' ) then
		return false
	end
	return '[http://www.aucklandartgallery.com/explore-art-and-ideas/artist/'..id..'/ '..id..']'..p.getCatForId( 'AAG' )
end

function p.acmLink( id )
	--P864's format regex: \d{11} (e.g. 12345678901)
	if not id:match( '^%d%d%d%d%d%d%d%d%d%d%d$' ) then
		return false
	end
	return '[https://dl.acm.org/author_page.cfm?id='..id..' '..id..']'..p.getCatForId( 'ACM-DL' )
end

function p.adbLink( id )
	--P1907's format regex: [a-z][-a-z]+-([1-2]\d|[1-9])\d{0,3} (e.g. barton-sir-edmund-toby-71)
	if not id:match( '^[a-z][-a-z]+-[1-2]%d%d?%d?%d?$' ) and
	   not id:match( '^[a-z][-a-z]+-[1-9]%d?%d?%d?$' ) then
		return false
	end
	return '[http://adb.anu.edu.au/biography/'..id..' '..id..']'..p.getCatForId( 'ADB' )
end

function p.agsaLink( id )
	--P6804's format regex: [1-9]\d* (e.g. 3625)
	if not id:match( '^[1-9]%d*$' ) then
		return false
	end
	return '[https://www.agsa.sa.gov.au/collection-publications/collection/creators/_/'..id..'/ '..id..']'..p.getCatForId( 'AGSA' )
end

function p.autoresuyLink( id )
	--P2558's format regex: [1-9]\d{0,4} (e.g. 12345)
	if not id:match( '^[1-9]%d?%d?%d?%d?$' ) then
		return false
	end
	return '[https://autores.uy/autor/'..id..' '..id..']'..p.getCatForId( 'autores.uy' )
end

function p.awrLink( id )
	--P4186's format regex: (([A-Z]{3}\d{4})|([A-Z]{2}\d{5}))[a-z] (e.g. PR00768b)
	if not id:match( '^[A-Z][A-Z][A-Z]%d%d%d%d[a-z]$' ) and
	   not id:match( '^[A-Z][A-Z]%d%d%d%d%d[a-z]$' ) then
		return false
	end
	return '[http://www.womenaustralia.info/biogs/'..id..'.htm '..id..']'..p.getCatForId( 'AWR' )
end

function p.balatLink( id )
	--P3293's format regex: \d+ (e.g. 1)
	if not id:match( '^%d+$' ) then
		return false
	end
	return '[http://balat.kikirpa.be/object/104257'..id..' '..id..']'..p.getCatForId( 'BALaT' ) --no https as of 9/2019
end

function p.bibsysLink( id )
	--P1015's format regex: [1-9]\d* or [1-9](\d{0,8}|\d{12}) (e.g. 1234567890123)
	--TODO: follow up @ [[d:Property talk:P1015#Discrepancy between the 2 regex constraints]] or escalate/investigate
	if not id:match( '^[1-9]%d?%d?%d?%d?%d?%d?%d?%d?$' ) and
	   not id:match( '^[1-9]%d%d%d%d%d%d%d%d%d%d%d%d$' ) then
		return false
	end
	return '[https://authority.bibsys.no/authority/rest/authorities/html/'..id..' '..id..']'..p.getCatForId( 'BIBSYS' )
end

function p.bildLink( id )
	--P2092's format regex: \d+ (e.g. 1)
	if not id:match( '^%d+$' ) then
		return false
	end
	return '[https://www.bildindex.de/document/obj'..id..' '..id..']'..p.getCatForId( 'Bildindex' )
end

function p.bncLink( id )
	--P1890's format regex: \d{9} (e.g. 123456789)
	if not id:match( '^%d%d%d%d%d%d%d%d%d$' ) then
		return false
	end
	return '[http://www.bncatalogo.cl/F?func=direct&local_base=red10&doc_number='..id..' '..id..']'..p.getCatForId( 'BNC' )
end

function p.bneLink( id )
	--P950's format regex: (XX|FF|a)\d{4,7}|(bima|bimo|bica|bis[eo]|bivi|Mise|Mimo|Mima)\d{10} (e.g. XX1234567)
	if not id:match( '^[XF][XF]%d%d%d%d%d?%d?%d?$' ) and
	   not id:match( '^a%d%d%d%d%d?%d?%d?$' ) and
	   not id:match( '^bi[mcsv][aoei]%d%d%d%d%d%d%d%d%d%d$' ) and
	   not id:match( '^Mi[sm][eoa]%d%d%d%d%d%d%d%d%d%d$' ) then
		return false
	end
	return '[http://catalogo.bne.es/uhtbin/authoritybrowse.cgi?action=display&authority_id='..id..' '..id..']'..p.getCatForId( 'BNE' ) --no https as of 9/2019
end

function p.bnfLink( id )
	--P268's format regex: \d{8}[0-9bcdfghjkmnpqrstvwxz] (e.g. 123456789)
	if not id:match( '^c?b?%d%d%d%d%d%d%d%d[0-9bcdfghjkmnpqrstvwxz]$' ) then
		return false
	end
	--Add cb prefix if it has been removed
	if not id:match( '^cb.+$' ) then
		id = 'cb'..id
	end
	return '[https://catalogue.bnf.fr/ark:/12148/'..id..' '..id..'] [https://data.bnf.fr/ark:/12148/'..id..' (data)]'..p.getCatForId( 'BNF' )
end

function p.botanistLink( id )
	--P428's format regex: ('t )?(d')?(de )?(la )?(van (der )?)?(Ma?c)?(De)?(Di)?\p{Lu}?C?['\p{Ll}]*([-'. ]*(van )?(y )?(d[ae][nr]?[- ])?(Ma?c)?[\p{Lu}bht]?C?['\p{Ll}]*)*\.? ?f?\.? (e.g. L.)
	--not easily/meaningfully implementable in Lua's regex since "(this)?" is not allowed...
	if not mw.ustring.match( id, "^[%u%l%d%. '-]+$" ) then --better than nothing
		return false
	end
	local id2 = id:gsub(' +', '%%20')
	return '[https://www.ipni.org/ipni/advAuthorSearch.do?find_abbreviation='..id2..' '..id..']'..p.getCatForId( 'Botanist' )
end

function p.bpnLink( id )
	--P651's format regex: \d{6,8} (e.g. 00123456)
	if not id:match( '^%d%d%d%d%d%d%d%d$' ) and --original format regex, changed 8/2019 to
	   not id:match( '^0?%d%d%d%d%d%d%d$' ) and --allow 1-2 leading 0s, allowed by the website
	   not id:match( '^0?0?%d%d%d%d%d%d$' ) then
		return false
	end
	return '[http://www.biografischportaal.nl/en/persoon/'..id..' '..id..']'..p.getCatForId( 'BPN' ) --no https as of 9/2019
end

function p.canticLink( id )
	--P1273's format regex: a\d{7}[0-9x] (e.g. a10640745)
	if not id:match( '^a%d%d%d%d%d%d%d[%dx]$' ) then
		return false
	end
	return '[http://cantic.bnc.cat/registres/CUCId/'..id..' '..id..']'..p.getCatForId( 'CANTIC' ) --no https as of 10/2019
end

function p.ciniiLink( id )
	--P271's format regex: DA\d{7}[\dX] (e.g. DA12345678)
	if not id:match( '^DA%d%d%d%d%d%d%d[%dX]$' ) then
		return false
	end
	return '[https://ci.nii.ac.jp/author/'..id..'?l=en '..id..']'..p.getCatForId( 'CINII' )
end

function p.daaoLink( id )
	--P1707's format regex: [a-z\-]+\d* (e.g. rolf-harris)
	if not id:match( '^[a-z%-]+%d*$' ) then
		return false
	end
	return '[https://www.daao.org.au/bio/'..id..' '..id..']'..p.getCatForId( 'DAAO' )
end

function p.dblpLink( id )
	--P2456's format regex: \d{2,3} /\d+(-\d+)?|[a-z] /[a-zA-Z][0-9A-Za-z]*(-\d+)? (e.g. 123/123)
	if not id:match( '^%d%d%d?/%d+$' ) and
	   not id:match( '^%d%d%d?/%d+%-%d+$' ) and
	   not id:match( '^[a-z]/[a-zA-Z][0-9A-Za-z]*$' ) and
	   not id:match( '^[a-z]/[a-zA-Z][0-9A-Za-z]*%-%d+$' ) then
		return false
	end
	return '[https://dblp.org/pid/'..id..' '..id..']'..p.getCatForId( 'DBLP' )
end

function p.dsiLink( id )
	--P2349's format regex: [1-9]\d* (e.g. 1538)
	if not id:match( '^[1-9]%d*$' ) then
		return false
	end
	return '[http://www.uni-stuttgart.de/hi/gnt/dsi2/index.php?table_name=dsi&function=details&where_field=id&where_value='..id..' '..id..']'..p.getCatForId( 'DSI' )
end

function p.fnzaLink( id )
	--P6792's format regex: [1-9]\d* (e.g. 9785)
	if not id:match( '^[1-9]%d*$' ) then
		return false
	end
	return '[https://findnzartists.org.nz/artist/'..id..'/ '..id..']'..p.getCatForId( 'FNZA' )
end

function p.gndLink( id )                  
	--P227's format regex: 1[012]?\d{7}[0-9X]|[47]\d{6}-\d|[1-9]\d{0,7}-[0-9X]|3\d{7}[0-9X] (e.g. 4079154-3)
	if not id:match( '^1[012]?%d%d%d%d%d%d%d[0-9X]$' ) and
	   not id:match( '^[47]%d%d%d%d%d%d%-%d$' ) and
	   not id:match( '^[1-9]%d?%d?%d?%d?%d?%d?%d?%-[0-9X]$' ) and
	   not id:match( '^3%d%d%d%d%d%d%d[0-9X]$' ) then
		return false
	end
	return '[https://d-nb.info/gnd/'..id..' '..id..']'..p.getCatForId( 'GND' )
end

function p.hdsLink( id )
	--P902's format regex: \d{6} (e.g. 050123)
	if not id:match( '^%d%d%d%d%d%d$' ) then
		return false
	end
	return '[https://hls-dhs-dss.ch/fr/articles/'..id..' '..id..']'..p.getCatForId( 'HDS' )
end

function p.iaafLink( id )
	--P1146's format regex: [0-9][0-9]* (e.g. 012)
	if not id:match( '^%d+$' ) then
		return false
	end
	return '[https://www.iaaf.org/athletes/_/'..id..' '..id..']'..p.getCatForId( 'IAAF' )
end

function p.iciaLink( id )
	--P1736's format regex: \d+ (e.g. 1)
	if not id:match( '^%d+$' ) then
		return false
	end
	return '[https://www.imj.org.il/artcenter/newsite/en/?artist='..id..' '..id..']'..p.getCatForId( 'ICIA' )
end

function p.isniLink( id )
	id = p.validateIsni( id ) --e.g. 0000-0000-6653-4145
	if not id then
		return false
	end
	return '[http://isni.org/isni/'..id..' '..id:sub( 1, 4 )..' '..id:sub( 5, 8 )..' '..id:sub( 9, 12 )..' '..id:sub( 13, 16 )..']'..p.getCatForId( 'ISNI' ) --no https as of 9/2019
end

function p.jocondeLink( id )
	--P347's format regex: [\-0-9A-Za-z]{11} (e.g. 12345678901)
	local regex = '^'..string.rep('[%-0-9A-Za-z]', 11)..'$'
	if not id:match( regex ) then
		return false
	end
	return '[https://www.pop.culture.gouv.fr/notice/joconde/'..id..' '..id..']'..p.getCatForId( 'Joconde' )
end

function p.kulturnavLink( id )
	--P1248's format regex: [0-9a-f]{8}\-[0-9a-f]{4}\-[0-9a-f]{4}\-[0-9a-f]{4}\-[0-9a-f]{12} (e.g. 12345678-1234-1234-1234-1234567890AB)
	if not id:match( '^%x%x%x%x%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%x%x%x%x%x%x%x%x$' ) then
		return false
	end
	return '[http://kulturnav.org/'..id..' '..id..']'..p.getCatForId( 'KULTURNAV' ) --no https as of 9/2019
end

function p.lccnLink( id )
	local parts = p.splitLccn( id ) --e.g. n78039510
	if not parts then
		return false
	end
	local lccnType = parts[1] ~= 'sh' and 'names' or 'subjects'
	id = parts[1] .. parts[2] .. p.append( parts[3], '0', 6 )
	return '[https://id.loc.gov/authorities/'..lccnType..'/'..id..' '..id..']'..p.getCatForId( 'LCCN' )
end

function p.lirLink( id )
	--P886's format regex: \d+ (e.g. 1)
	if not id:match( '^%d+$' ) then
		return false
	end
	return '[http://www.e-lir.ch/e-LIR___Lexicon.'..id..'.450.0.html '..id..']'..p.getCatForId( 'LIR' ) --no https as of 9/2019
end

function p.lnbLink( id )
	--P1368's format regex: \d{9} (e.g. 123456789)
	if not id:match( '^%d%d%d%d%d%d%d%d%d$' ) then
		return false
	end
	return '[https://kopkatalogs.lv/F?func=direct&local_base=lnc10&doc_number='..id..'&P_CON_LNG=ENG '..id..']'..p.getCatForId( 'LNB' )
end

function p.leonoreLink( id )
	--P640's format regex: LH/\d{1,4}/\d{1,3}|19800035/\d{1,4}/\d{1,5}(Bis)?|C/0/\d{1,2} (e.g. LH/2064/18)
	if not id:match( '^LH/%d%d?%d?%d?/%d%d?%d?$' ) and             --IDs from       LH/1/1 to         LH/2794/54 (legionaries)
	   not id:match( '^19800035/%d%d?%d?%d?/%d%d?%d?%d?%d?$' ) and --IDs from 19800035/1/1 to 19800035/385/51670 (legionnaires who died 1954-1977 & some who died < 1954)
	   not id:match( '^C/0/%d%d?$' ) then                          --IDs from        C/0/1 to             C/0/84 (84 famous legionaries)
		return false
	end
	return '[http://www.culture.gouv.fr/public/mistral/leonore_fr?ACTION=CHERCHER&FIELD_1=COTE&VALUE_1='..id..' '..id..']'..p.getCatForId( 'Léonore' ) --no https as of 9/2019
end

function p.mbaLink( id )
	--P434's format regex: [0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12} (e.g. 12345678-1234-1234-1234-1234567890AB)
	if not id:match( '^%x%x%x%x%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%x%x%x%x%x%x%x%x$' ) then
		return false
	end
	return '[https://musicbrainz.org/artist/'..id..' '..id..']'..p.getCatForId( 'MusicBrainz' ) --special category name
end

function p.mbareaLink( id )
	--P982's format regex: [0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12} (e.g. 12345678-1234-1234-1234-1234567890AB)
	if not id:match( '^%x%x%x%x%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%x%x%x%x%x%x%x%x$' ) then
		return false
	end
	return '[https://musicbrainz.org/area/'..id..' '..id..']'..p.getCatForId( 'MusicBrainz area' ) --special category name
end

function p.mbiLink( id )
	--P1330's format regex: [0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12} (e.g. 12345678-1234-1234-1234-1234567890AB)
	if not id:match( '^%x%x%x%x%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%x%x%x%x%x%x%x%x$' ) then
		return false
	end
	return '[https://musicbrainz.org/instrument/'..id..' '..id..']'..p.getCatForId( 'MusicBrainz instrument' ) --special category name
end

function p.mblLink( id )
	--P966's format regex: [0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12} (e.g. 12345678-1234-1234-1234-1234567890AB)
	if not id:match( '^%x%x%x%x%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%x%x%x%x%x%x%x%x$' ) then
		return false
	end
	return '[https://musicbrainz.org/label/'..id..' '..id..']'..p.getCatForId( 'MusicBrainz label' ) --special category name
end

function p.mbpLink( id )
	--P1004's format regex: [0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12} (e.g. 12345678-1234-1234-1234-1234567890AB)
	if not id:match( '^%x%x%x%x%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%x%x%x%x%x%x%x%x$' ) then
		return false
	end
	return '[https://musicbrainz.org/place/'..id..' '..id..']'..p.getCatForId( 'MusicBrainz place' ) --special category name
end

function p.mbrgLink( id )
	--P436's format regex: [0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12} (e.g. 12345678-1234-1234-1234-1234567890AB)
	if not id:match( '^%x%x%x%x%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%x%x%x%x%x%x%x%x$' ) then
		return false
	end
	return '[https://musicbrainz.org/release-group/'..id..' '..id..']'..p.getCatForId( 'MusicBrainz release group' ) --special category name
end

function p.mbsLink( id )
	--P1407's format regex: [0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12} (e.g. 12345678-1234-1234-1234-1234567890AB)
	if not id:match( '^%x%x%x%x%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%x%x%x%x%x%x%x%x$' ) then
		return false
	end
	return '[https://musicbrainz.org/series/'..id..' '..id..']'..p.getCatForId( 'MusicBrainz series' ) --special category name
end

function p.mbwLink( id )
	--P435's format regex: [0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12} (e.g. 12345678-1234-1234-1234-1234567890AB)
	if not id:match( '^%x%x%x%x%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%-%x%x%x%x%x%x%x%x%x%x%x%x$' ) then
		return false
	end
	return '[https://musicbrainz.org/work/'..id..' '..id..']'..p.getCatForId( 'MusicBrainz work' ) --special category name
end

function p.mgpLink( id )
	--P549's format regex: \d{1,6} (e.g. 123456)
	if not id:match( '^%d%d?%d?%d?%d?%d?$' ) then
		return false
	end
	return '[https://genealogy.math.ndsu.nodak.edu/id.php?id='..id..' '..id..']'..p.getCatForId( 'MGP' )
end

function p.naraLink( id )
	--P1225's format regex: ^([1-9]\d{0,8})$ (e.g. 123456789)
	if not id:match( '^[1-9]%d?%d?%d?%d?%d?%d?%d?%d?$' ) then
		return false
	end
	return '[https://catalog.archives.gov/id/'..id..' '..id..']'..p.getCatForId( 'NARA' )
end

function p.nclLink( id )
	--P1048's format regex: \d+ (e.g. 1081436)
	if not id:match( '^%d+$' ) then
		return false
	end
	return '[http://aleweb.ncl.edu.tw/F/?func=accref&acc_sequence='..id..'&CON_LNG=ENG '..id..']'..p.getCatForId( 'NCL' ) --no https as of 9/2019
end

function p.ndlLink( id )
	--P349's format regex: 0?\d{8} (e.g. 012345678)
	if not id:match( '^0?%d%d%d%d%d%d%d%d$' ) then
		return false
	end
	return '[https://id.ndl.go.jp/auth/ndlna/'..id..' '..id..']'..p.getCatForId( 'NDL' )
end

function p.ngvLink( id )
	--P2041's format regex: \d+ (e.g. 12354)
	if not id:match( '^%d+$' ) then
		return false
	end
	return '[https://www.ngv.vic.gov.au/explore/collection/artist/'..id..'/ '..id..']'..p.getCatForId( 'NGV' )
end

function p.nkcLink( id )
	--P691's format regex: [a-z]{2,4}[0-9]{2,14} (e.g. abcd12345678901234)
	if not id:match( '^[a-z][a-z][a-z]?[a-z]?%d%d%d?%d?%d?%d?%d?%d?%d?%d?%d?%d?%d?%d?$' ) then
		return false
	end
	return '[https://aleph.nkp.cz/F/?func=find-c&local_base=aut&ccl_term=ica='..id..'&CON_LNG=ENG '..id..']'..p.getCatForId( 'NKC' )
end

function p.nlaLink( id )
	--P409's format regex: [1-9][0-9]{0,11} (e.g. 123456789012)
	if not id:match( '^[1-9]%d?%d?%d?%d?%d?%d?%d?%d?%d?%d?%d?$' ) then
		return false
	end
	return '[https://nla.gov.au/anbd.aut-an'..id..' '..id..']'..p.getCatForId( 'NLA' )
end

function p.nliLink( id )
	--P949's format regex: \d{9} (e.g. 123456789)
	if not id:match( '^%d%d%d%d%d%d%d%d%d$' ) then
		return false
	end
	return '[http://uli.nli.org.il/F/?func=direct&doc_number='..id..'&local_base=nlx10'..' '..id..']'..p.getCatForId( 'NLI' )
end

function p.nlkLink( id )
	--P5034's format regex: KA.(19|20).{7} (e.g. KAC201501465)
	if not id:match( '^KA.19.......$' ) and
	   not id:match( '^KA.20.......$' ) then
		return false
	end
	return '[https://nl.go.kr/authorities/resource/'..id..' '..id..']'..p.getCatForId( 'NLK' )
end

function p.nlpLink( id )
	--P1695's format regex: 9810[0-9]\d* or A[0-9]{7}[0-9X] (e.g. 9810123456789012345 or A10414836)
	if not id:match( '^9810%d+$' ) and
	   not id:match( '^A%d%d%d%d%d%d%d[%dX]$' ) then
		return false
	end
	return '[https://tools.wmflabs.org/wikidata-externalid-url?p=1695&id='..id..' '..id..']'..p.getCatForId( 'NLP' )
end

function p.nlrLink( id )
	--P1003's format regex: \d{9} (e.g. 123456789)
	if not id:match( '^%d%d%d%d%d%d%d%d%d$' ) then
		return false
	end
	return '[http://alephnew.bibnat.ro:8991/F?func=find-b&request='..id..'&find_code=SYS&adjacent=Y&local_base=NLR10 '..id..']'..p.getCatForId( 'NLR' )
end

function p.nskLink( id )
	--P1375's format regex: \d{9} (e.g. 123456789)
	if not id:match( '^%d%d%d%d%d%d%d%d%d$' ) then
		return false
	end
	return '[http://katalog.nsk.hr/F/?func=direct&doc_number='..id..'&local_base=nsk10 '..id..']'..p.getCatForId( 'NSK' ) --no https as of 9/2019
end

function p.ntaLink( id )
	--P1006's format regex: \d{8}[\dX] (e.g. 12345678X)
	if not id:match( '^%d%d%d%d%d%d%d%d[%dX]$' ) then
		return false
	end
	return '[http://data.bibliotheken.nl/id/thes/p'..id..' '..id..']'..p.getCatForId( 'NTA' )
end

function p.orcidLink( id )
	id = p.validateIsni( id ) --e.g. 0000-0002-7398-5483
	if not id then
		return false
	end
	id = id:sub( 1, 4 )..'-'..id:sub( 5, 8 )..'-'..id:sub( 9, 12 )..'-'..id:sub( 13, 16 )
	return '[https://orcid.org/'..id..' '..id..']'..p.getCatForId( 'ORCID' )
end

function p.picLink( id )
	--P2750's format regex: [1-9]\d* (e.g. 1)
	if not id:match( '^[1-9]%d*$' ) then
		return false
	end
	return '[https://pic.nypl.org/constituents/'..id..' '..id..']'..p.getCatForId( 'PIC' )
end

function p.ridLink( id )
	--P1053's format regex: [A-Z]-\d{4}-(19|20)\d\d (e.g. A-1234-1934)
	if not id:match( '^[A-Z]%-%d%d%d%d%-19%d%d$' ) and
	   not id:match( '^[A-Z]%-%d%d%d%d%-20%d%d$' ) then
		return false
	end
	return '[https://www.researcherid.com/rid/'..id..' '..id..']'..p.getCatForId( 'RID' )
end

function p.reroLink( id )
	--P3065's format regex: 0[1-2]-[A-Z0-9]{1,10} (e.g. 02-A012345678)
	if not id:match( '^0[1-2]%-[A-Z%d][A-Z%d]?[A-Z%d]?[A-Z%d]?[A-Z%d]?[A-Z%d]?[A-Z%d]?[A-Z%d]?[A-Z%d]?[A-Z%d]?$' ) then
		return false
	end
	return '[http://data.rero.ch/'..id..' '..id..']'..p.getCatForId( 'RERO' )
end

function p.rkdartistsLink( id )
	--P650's format regex: [1-9]\d{0,5} (e.g. 123456)
	if not id:match( '^[1-9]%d?%d?%d?%d?%d?$' ) then
		return false
	end
	return '[https://rkd.nl/en/explore/artists/'..id..' '..id..']'..p.getCatForId( 'RKDartists' )
end

function p.rkdidLink( id )
	--P350's format regex: [1-9]\d{0,5} (e.g. 123456)
	if not id:match( '^[1-9]%d?%d?%d?%d?%d?$' ) then
		return false
	end
	return '[https://rkd.nl/nl/explore/images/'..id..' '..id..']'..p.getCatForId( 'RKDID' )
end

function p.rslLink( id )
	--P947's format regex: \d{1,9} (e.g. 123456789)
	if not id:match( '^%d%d?%d?%d?%d?%d?%d?%d?%d?$' ) then
		return false
	end
	return '[http://aleph.rsl.ru/F?func=find-b&find_code=SYS&adjacent=Y&local_base=RSL11&request='..id..'&CON_LNG=ENG '..id..']'..p.getCatForId( 'RSL' ) --no https as of 9/2019
end

function p.sbnLink( id )
	--P396's format regex: IT\\ICCU\\(\d{10}|\D\D[\D\d]\D\\\d{6}) (e.g. IT\ICCU\CFIV\000163)
	if not id:match( '^IT\\ICCU\\%d%d%d%d%d%d%d%d%d%d$' ) and
	   not id:match( '^IT\\ICCU\\%u%u[%u%d]%u\\%d%d%d%d%d%d$' ) then --legacy: %u used here instead of %D (but the faulty ID cat is empty, out of ~12k uses)
		return false
	end
	return '[https://opac.sbn.it/opacsbn/opac/iccu/scheda_authority.jsp?bid='..id..' '..id..']'..p.getCatForId( 'SBN' )
end

function p.selibrLink( id )
	--P906's format regex: [1-9]\d{4,5} (e.g. 123456)
	if not id:match( '^[1-9]%d%d%d%d%d?$' ) then
		return false
	end
	return '[https://libris.kb.se/auth/'..id..' '..id..']'..p.getCatForId( 'SELIBR' )
end

function p.sikartLink( id )
	--P781's format regex: \d{7,9} (e.g. 123456789)
	if not id:match( '^%d%d%d%d%d%d%d%d?%d?$' ) then
		return false
	end
	return '[http://www.sikart.ch/KuenstlerInnen.aspx?id='..id..'&lng=en '..id..']'..p.getCatForId( 'SIKART' ) --no https as of 9/2019
end

function p.snacLink( id )
	--P3430's format regex: \d*[A-Za-z][0-9A-Za-z]* (e.g. A)
	if not id:match( '^%d*[A-Za-z][0-9A-Za-z]*$' ) then
		return false
	end
	return '[https://snaccooperative.org/ark:/99166/'..id..' '..id..']'..p.getCatForId( 'SNAC-ID' )
end

function p.sudocLink( id )
	--P269's format regex: (\d{8}[\dX]|) (e.g. 026927608)
	if not id:match( '^%d%d%d%d%d%d%d%d[%dxX]$' ) then --legacy: allow lowercase 'x'
		return false
	end
	return '[https://www.idref.fr/'..id..' '..id..']'..p.getCatForId( 'SUDOC' )
end

function p.s2authoridLink( id )
	--P4012's format regex: [1-9]\d* (e.g. 1796130)
	if not id:match( '^[1-9]%d*$' ) then
		return false
	end
	return '[https://www.semanticscholar.org/author/'..id..' '..id..']'..p.getCatForId( 'Semantic Scholar author' ) --special category name
end

function p.ta98Link( id )
	--P1323's format regex: A\d{2}\.\d\.\d{2}\.\d{3}[FM]? (e.g. A12.3.45.678)
	if not id:match( '^A%d%d%.%d%.%d%d%.%d%d%d[FM]?$' ) then
		return false
	end
	return '[http://tools.wmflabs.org/wikidata-externalid-url/?p=1323&url_prefix=https:%2F%2Fwww.unifr.ch%2Fifaa%2FPublic%2FEntryPage%2FTA98%20Tree%2FEntity%20TA98%20EN%2F&url_suffix=%20Entity%20TA98%20EN.htm&id='..id..' '..id..']'..p.getCatForId( 'TA98' )
end

function p.tdviaLink( id )
	--P7314's format regex: [a-z/-]+] (e.g. barkan-omer-lutfi)
	if not id:match( '^[a-z/-]+$' ) then
		return false
	end
	return '[https://islamansiklopedisi.org.tr/'..id..' '..id..']'..p.getCatForId( 'TDVİA' )
end

function p.teLink( id )
	--P1693's format regex: E[1-8]\.\d{1,2}\.\d{1,2}\.\d{1,2}\.\d{1}\.\d{1}\.\d{1,3} (e.g. E1.23.45.67.8.9.0)
	local e1, e2 = id:match( '^E([1-8])%.(%d%d?)%.%d%d?%.%d%d?%.%d%.%d%.%d%d?%d?$' )
	if not e1 then
		return false
	end
	local TEnum = 'TEe0'..e1 --no formatter URL in WD, probably due to this complexity
	if e1 == '5' or e1 == '7' then
		if #e2 == 1 then e2 = '0'..e2 end
		TEnum = TEnum..e2
	end
	return '[http://www.unifr.ch/ifaa/Public/EntryPage/ViewTE/'..TEnum..'.html '..id..']'..p.getCatForId( 'TE' )
end

function p.tepapaLink( id )
	--P3544's format regex: \d+ (e.g. 1)
	if not id:match( '^%d+$' ) then
		return false
	end
	return '[https://collections.tepapa.govt.nz/agent/'..id..' '..id..']'..p.getCatForId( 'TePapa' )
end

function p.thLink( id )
	--P1694's format regex: H\d\.\d{2}\.\d{2}\.\d\.\d{5} (e.g. H1.23.45.6.78901)
	local h1, h2 = id:match( '^H(%d)%.(%d%d)%.%d%d%.%d%.%d%d%d%d%d$' )
	if not h1 then
		return false
	end
	local THnum = 'THh'..h1..h2 --no formatter URL in WD, probably due to this complexity
	return '[http://www.unifr.ch/ifaa/Public/EntryPage/ViewTH/'..THnum..'.html '..id..']'..p.getCatForId( 'TH' )
end

function p.tlsLink( id )
	local id2 = id:gsub(' +', '_')
	--P1362's format regex: \p{Lu}[\p{L}\d_',\.\-\(\)\*/–]{3,59} (e.g. Abcd)
	local class = "[%a%d_',%.%-%(%)%*/–]"
	local regex = "^%u"..string.rep(class, 3)..string.rep(class.."?", 56).."$"
	if not mw.ustring.match( id2, regex ) then
		return false
	end
	return '[http://tls.theaterwissenschaft.ch/wiki/'..id2..' '..id..']'..p.getCatForId( 'TLS' ) --no https as of 9/2019
end

function p.troveLink( id )
	--P1315's format regex: [1-9]\d{5,7} (e.g. 12345678)
	if not id:match( '^[1-9]%d%d%d%d%d%d?%d?$' ) then
		return false
	end
	return '[https://trove.nla.gov.au/people/'..id..' '..id..']'..p.getCatForId( 'Trove' )
end

function p.ulanLink( id )
	--P245's format regex: 500\d{6} (e.g. 500123456)
	if not id:match( '^500%d%d%d%d%d%d$' ) then
		return false
	end
	return '[https://www.getty.edu/vow/ULANFullDisplay?find=&role=&nation=&subjectid='..id..' '..id..']'..p.getCatForId( 'ULAN' )
end

function p.uscongressLink( id )
	--P1157's format regex: [A-Z]00[01]\d{3} (e.g. A000123)
	if not id:match( '^[A-Z]00[01]%d%d%d$' ) then
		return false
	end
	return '[http://bioguide.congress.gov/scripts/biodisplay.pl?index='..id..' '..id..']'..p.getCatForId( 'USCongress' ) --no https as of 9/2019
end

function p.viafLink( id )
	--P214's format regex: [1-9]\d(\d{0,7}|\d{17,20}) (e.g. 123456789, 1234567890123456789012)
	if not id:match( '^[1-9]%d%d?%d?%d?%d?%d?%d?%d?$' ) and
	   not id:match( '^[1-9]%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d?%d?%d?$' ) then
		return false
	end
	return '[https://viaf.org/viaf/'..id..' '..id..']'..p.getCatForId( 'VIAF' )
end

--[[=========================== Helper functions =============================]]

function p.append(str, c, length)
	while str:len() < length do
		str = c .. str
	end
	return str
end

--Returns the ISNI check digit isni must be a string where the 15 first elements are digits, e.g. 0000000066534145
function p.getIsniCheckDigit( isni )
	local total = 0
	for i = 1, 15 do
		local digit = isni:byte( i ) - 48 --Get integer value
		total = (total + digit) * 2
	end
	local remainder = total % 11
	local result = (12 - remainder) % 11
	if result == 10 then
		return "X"
	end
	return tostring( result )
end

--Validate ISNI (and ORCID) and retuns it as a 16 characters string or returns false if it's invalid
--See http://support.orcid.org/knowledgebase/articles/116780-structure-of-the-orcid-identifier
function p.validateIsni( id )
	--P213 (ISNI) format regex: [0-9]{4} [0-9]{4} [0-9]{4} [0-9]{3}[0-9X] (e.g. 0000-0000-6653-4145)
	--P496 (ORCID) format regex: 0000-000(1-[5-9]|2-[0-9]|3-[0-4])\d{3}-\d{3}[\dX] (e.g. 0000-0002-7398-5483)
	id = id:gsub( '[ %-]', '' ):upper()
	if not id:match( '^%d%d%d%d%d%d%d%d%d%d%d%d%d%d%d[%dX]$' ) then
		return false
	end
	if p.getIsniCheckDigit( id ) ~= string.char( id:byte( 16 ) ) then
		return false
	end
	return id
end

function p.splitLccn( id )
	--P244's format regex: (n|nb|nr|no|ns|sh)([4-9][0-9]|00|20[0-1][0-9])[0-9]{6} (e.g. n78039510)
	if id:match( '^%l%l?%l?%d%d%d%d%d%d%d%d%d?%d?$' ) then
		id = id:gsub( '^(%l+)(%d+)(%d%d%d%d%d%d)$', '%1/%2/%3' )
	end
	if id:match( '^%l%l?%l?/%d%d%d?%d?/%d+$' ) then
		return mw.text.split( id, '/' )
	end
	return false
end

--[[==========================================================================]]
--[[          Wikidata, navigation bar, and documentation functions           ]]
--[[==========================================================================]]

function p.getIdsFromWikidata( itemId, property )
	local ids = {}
	local statements = mw.wikibase.getBestStatements( itemId, property )
	if statements then
		for _, statement in ipairs( statements ) do
			if statement.mainsnak.datavalue then
				table.insert( ids, statement.mainsnak.datavalue.value )
			end
		end
	end
	return ids
end

function p.matchesWikidataRequirements( itemId, reqs )
	for _, group in ipairs( reqs ) do
		local property = 'P'..group[1]
		local qid = group[2]
		local statements = mw.wikibase.getBestStatements( itemId, property )
		if statements then
			for _, statement in ipairs( statements ) do
				if statement.mainsnak.datavalue then
					if statement.mainsnak.datavalue.value['numeric-id'] == qid then
						return true
	end	end	end	end	end
	return false
end

function p.createRow( id, label, rawValue, link, withUid, specialCat )
	if link then
		if withUid then
			return '*<span class="nowrap">'..label..' <span class="uid">'..link..'</span></span>\n'
		end
		return '*<span class="nowrap">'..label..' '..link..'</span>\n'
	end

	local catName = 'Wikipedia articles with faulty '..(specialCat or id)..' identifiers'
	return '* <span class="error">The '..id..' id '..rawValue..' is not valid.</span>[[Category:'..catName..']]'..p.redCatLink(catName)..'\n'
end

-- Creates a human-readable standalone wikitable version of p.conf, and tracking categories with page counts, for use in the documentation
function p.docConfTable( frame )
	local wikiTable = '{| class="wikitable sortable"\n'..
					  '! rowspan=2 | Parameter\n'..
					  '! rowspan=2 | Label\n'..
					  '! rowspan=2; data-sort-type=number | Wikidata property\n'..
					  '! colspan=4 | Tracking categories and page counts\n'..
					  '|-\n'..
					  '! [[:Category:Wikipedia articles with authority control information|'..       'Articles]]\n'..
					  '! [[:Category:User pages with authority control information|'..               'User pages]]\n'..
					  '! [[:Category:Miscellaneous pages with authority control information|'..      'Misc. pages]]\n'..
					  '! [[:Category:Wikipedia articles with faulty authority control information|'..'Faulty IDs]]\n'..
					  '|-\n'
	
	local lang = mw.getContentLanguage()
	for _, conf in pairs( p.conf ) do
		local param, link, pid = conf[1], conf[2], conf[3]
		local category = conf.category or param
		local args = { id = 'f', pid }
		local wpl = frame:expandTemplate{ title = 'Wikidata property link', args = args }
		--cats
		local articleCat = 'Wikipedia articles with '..category..' identifiers'
		local userCat =    'User pages with '..category..' identifiers'
		local miscCat =    'Miscellaneous pages with '..category..' identifiers'
		local faultyCat =  'Wikipedia articles with faulty '..category..' identifiers'
		--counts
		local articleCount = lang:formatNum( mw.site.stats.pagesInCategory(articleCat, 'pages') )
		local userCount =    lang:formatNum( mw.site.stats.pagesInCategory(userCat, 'pages') )
		local miscCount =    lang:formatNum( mw.site.stats.pagesInCategory(miscCat, 'pages') )
		local faultyCount =  lang:formatNum( mw.site.stats.pagesInCategory(faultyCat, 'pages') )
		--concat
		wikiTable = wikiTable..'\n'..
					'|-\n'..
					'||'..param..
					'||'..link..
					'||data-sort-value='..pid..'|'..wpl..
					'||style="text-align: right;"|[[:Category:'..articleCat..'|'..articleCount..']]'..
					'||style="text-align: right;"|[[:Category:'..   userCat..'|'..   userCount..']]'..
					'||style="text-align: right;"|[[:Category:'..   miscCat..'|'..   miscCount..']]'..
					'||style="text-align: right;"|[[:Category:'.. faultyCat..'|'.. faultyCount..']]'
	end
	return wikiTable..'\n|}'
end

--[[==========================================================================]]
--[[                              Configuration                               ]]
--[[==========================================================================]]

-- Check that the Wikidata item has this property-->value before adding it
local reqs = {}

-- Parameter format: { 'parameter name', 'label', propertyId # in Wikidata, formatting/validation function }
p.conf = {
	{ 'AAG', '[[Auckland Art Gallery Toi o Tāmaki|AAG]]', 3372, p.aagLink },
	{ 'ACM-DL', '[[ACM Digital Library|ACM DL]]', 864, p.acmLink },
	{ 'ADB', '[[Australian Dictionary of Biography|ADB]]', 1907, p.adbLink },
	{ 'AGSA', '[[Art Gallery of South Australia|AGSA]]', 6804, p.agsaLink },
	{ 'autores.uy', '[[autores.uy]]', 2558, p.autoresuyLink },
	{ 'AWR', '[[Australian Women\'s Register|AWR]]', 4186, p.awrLink },
	{ 'BALaT', '[[Royal Institute for Cultural Heritage#Online artworks pages|BALaT]]', 3293, p.balatLink },
	{ 'BIBSYS', '[[Bibsys|BIBSYS]]', 1015, p.bibsysLink },
	{ 'Bildindex', '[[Marburg Picture Index|Bildindex]]', 2092, p.bildLink },
	{ 'BNC', '[[Biblioteca Nacional de Chile|BNC]]', 1890, p.bncLink },
	{ 'BNE', '[[Biblioteca Nacional de España|BNE]]', 950, p.bneLink },
	{ 'BNF', '[[Bibliothèque nationale de France|BNF]]', 268, p.bnfLink },
	{ 'Botanist', '[[Author citation (botany)|Botanist]]', 428, p.botanistLink },
	{ 'BPN', '[[Biografisch Portaal|BPN]]', 651, p.bpnLink },
	{ 'CANTIC', '[[Name and Title Authority File of Catalonia|CANTIC]]', 1273, p.canticLink },
	{ 'CINII', '[[CiNii]]', 271, p.ciniiLink },
	{ 'DAAO', '[[Dictionary of Australian Artists|DAAO]]', 1707, p.daaoLink },
	{ 'DBLP', '[[DBLP]]', 2456, p.dblpLink },
	{ 'DSI', '[[Stuttgart Database of Scientific Illustrators 1450–1950|DSI]]', 2349, p.dsiLink },
	{ 'FNZA', '[[:d:Property:P6792|FNZA]]', 6792, p.fnzaLink },
	{ 'GND', '[[Integrated Authority File|GND]]', 227, p.gndLink },
	{ 'HDS', '[[Historical Dictionary of Switzerland|HDS]]', 902, p.hdsLink },
	{ 'IAAF', '[[International Association of Athletics Federations|IAAF]]', 1146, p.iaafLink },
	{ 'ICIA', '[[Information Center for Israeli Art|ICIA]]', 1736, p.iciaLink },
	{ 'ISNI', '[[International Standard Name Identifier|ISNI]]', 213, p.isniLink },
	{ 'Joconde', '[[Joconde]]' , 347, p.jocondeLink },
	{ 'KULTURNAV', '[[KulturNav]]', 1248, p.kulturnavLink },
	{ 'LCCN', '[[Library of Congress Control Number|LCCN]]', 244, p.lccnLink },
	{ 'LIR', '[[Historical Dictionary of Switzerland#Lexicon_Istoric_Retic|LIR]]', 886, p.lirLink },
	{ 'LNB', '[[National Library of Latvia|LNB]]', 1368, p.lnbLink },
	{ 'Léonore', '[[Base Léonore|Léonore]]', 640, p.leonoreLink },
	{ 'MBA', '[[MusicBrainz]]', 434, p.mbaLink, category = 'MusicBrainz' }, --special category name
	{ 'MBAREA', '[[MusicBrainz]]', 982, p.mbareaLink, category = 'MusicBrainz area' }, --special category name
	{ 'MBI', '[[MusicBrainz]]', 1330, p.mbiLink, category = 'MusicBrainz instrument' }, --special category name
	{ 'MBL', '[[MusicBrainz]]', 966, p.mblLink, category = 'MusicBrainz label' }, --special category name
	{ 'MBP', '[[MusicBrainz]]', 1004, p.mbpLink, category = 'MusicBrainz place' }, --special category name
	{ 'MBRG', '[[MusicBrainz]] release group', 436, p.mbrgLink, category = 'MusicBrainz release group' }, --special category name
	{ 'MBS', '[[MusicBrainz]]', 1407, p.mbsLink, category = 'MusicBrainz series' }, --special category name
	{ 'MBW', '[[MusicBrainz]] work', 435, p.mbwLink, category = 'MusicBrainz work' }, --special category name
	{ 'MGP', '[[Mathematics Genealogy Project|MGP]]', 549, p.mgpLink },
	{ 'NARA', '[[National Archives and Records Administration|NARA]]', 1225, p.naraLink },
	{ 'NCL', '[[National Central Library|NCL]]', 1048, p.nclLink },
	{ 'NDL', '[[National Diet Library|NDL]]', 349, p.ndlLink },
	{ 'NGV', '[[National Gallery of Victoria|NGV]]', 2041, p.ngvLink },
	{ 'NKC', '[[National Library of the Czech Republic|NKC]]', 691, p.nkcLink },
	{ 'NLA', '[[National Library of Australia|NLA]]', 409, p.nlaLink },
	{ 'NLI', '[[National Library of Israel|NLI]]', 949, p.nliLink },
	{ 'NLK', '[[National Library of Korea|NLK]]', 5034, p.nlkLink },
	{ 'NLP', '[[National Library of Poland|NLP]]', 1695, p.nlpLink },
	{ 'NLR', '[[National Library of Romania|NLR]]', 1003, p.nlrLink },
	{ 'NSK', '[[National and University Library in Zagreb|NSK]]', 1375, p.nskLink },
	{ 'NTA', '[[Royal Library of the Netherlands|NTA]]', 1006, p.ntaLink },
	{ 'ORCID', '[[ORCID]]', 496, p.orcidLink },
	{ 'PIC', '[[:d:Q23892012|PIC]]', 2750, p.picLink },
	{ 'RID', '[[ResearcherID]]', 1053, p.ridLink },
	{ 'RERO', '[[RERO (Library Network of Western Switzerland)|RERO]]', 3065, p.reroLink },
	{ 'RKDartists', '[[Netherlands Institute for Art History#Online artist pages|RKD]]', 650, p.rkdartistsLink },
	{ 'RKDID', '[[:d:Q17299580|RKDimages ID]]', 350, p.rkdidLink },
	{ 'RSL', '[[Russian State Library|RSL]]', 947, p.rslLink },
	{ 'SBN', '[[Istituto Centrale per il Catalogo Unico|ICCU]]', 396, p.sbnLink },
	{ 'SELIBR', '[[LIBRIS|SELIBR]]', 906, p.selibrLink },
	{ 'SIKART', '[[SIKART]]', 781, p.sikartLink },
	{ 'SNAC-ID', '[[SNAC]]', 3430, p.snacLink },
	{ 'SUDOC', '[[Système universitaire de documentation|SUDOC]]', 269, p.sudocLink },
	{ 'S2AuthorId', '[[Semantic Scholar|S2AuthorId]]', 4012, p.s2authoridLink, category = 'Semantic Scholar author' }, --special category name
	{ 'TA98', '[[Terminologia Anatomica|TA98]]', 1323, p.ta98Link },
	{ 'TDVİA', '[[:d:Q21527102|TDVİA]]', 7314, p.tdviaLink },
	{ 'TE', '[[Terminologia Embryologica|TE]]', 1693, p.teLink },
	{ 'TePapa', '[[Museum of New Zealand Te Papa Tongarewa|TePapa]]', 3544, p.tepapaLink },
	{ 'TH', '[[Terminologia Histologica|TH]]', 1694, p.thLink },
	{ 'TLS', '[[Theaterlexikon der Schweiz|TLS]]', 1362, p.tlsLink },
	{ 'Trove', '[[Trove]]', 1315, p.troveLink }, --formerly NLA-person
	{ 'ULAN', '[[Union List of Artist Names|ULAN]]', 245, p.ulanLink },
	{ 'USCongress', '[[Biographical Directory of the United States Congress|US Congress]]', 1157, p.uscongressLink },
	{ 'VIAF', '[[Virtual International Authority File|VIAF]]', 214, p.viafLink },
}

-- Legitimate aliases to p.conf, for convenience
-- Format: { 'alias', 'parameter name in p.conf' }
p.aliases = {
	{ 'RLS', 'RSL' },
	{ 'MusicBrainz', 'MBA' },
	{ 'MusicBrainz artist', 'MBA' },
	{ 'MusicBrainz label', 'MBL' },
	{ 'MusicBrainz release group', 'MBRG' },
	{ 'MusicBrainz work', 'MBW' },
	{ 'Leonore', 'Léonore' },
	{ 'TDVIA', 'TDVİA' },
}

-- Deprecated aliases to p.conf; tracked in [[Category:Wikipedia articles with deprecated authority control identifiers]]
-- Format: { 'deprecated parameter name', 'replacement parameter name in p.conf' }
p.deprecated = {
	{ 'GKD', 'GND' },
	{ 'PND', 'GND' },
	{ 'SWD', 'GND' },
	{ 'NARA-organization', 'NARA' },
	{ 'NARA-person', 'NARA' },
}

--[[==========================================================================]]
--[[                                   Main                                   ]]
--[[==========================================================================]]

function p.authorityControl( frame )
	local resolveEntity = require( "Module:ResolveEntityId" )
	local parentArgs = frame:getParent().args
	local elements = {} --create/insert rows later
	local worldcatCat = ''
	local suppressedIdCat = ''
	local deprecatedIdCat = ''
	
	--Redirect aliases to proper parameter names
	for _, a in pairs( p.aliases ) do
		local alias, param = a[1], a[2]
		if (parentArgs[param] == nil or parentArgs[param] == '') and parentArgs[alias] then
			parentArgs[param] = parentArgs[alias]
		end
	end
	
	--Redirect deprecated parameters to proper parameter names, and assign tracking cat
	for _, d in pairs( p.deprecated ) do
		local dep, param = d[1], d[2]
		if (parentArgs[param] == nil or parentArgs[param] == '') and parentArgs[dep] then
			parentArgs[param] = parentArgs[dep]
			if namespace == 0 then
				deprecatedIdCat = '[[Category:Wikipedia articles with deprecated authority control identifiers|'..dep..']]'
			end
		end
	end
	
	--Use QID= parameter for testing/example purposes only
	local itemId = nil
	if namespace ~= 0 then
		local qid = parentArgs['qid'] or parentArgs['QID']
		if qid then
			itemId = 'Q'..mw.ustring.gsub(qid, '^[Qq]', '')
			itemId = resolveEntity._id(itemId) --nil if unresolvable
		end
	else
		itemId = mw.wikibase.getEntityIdForCurrentPage()
	end
	
	--Wikidata fallback if requested
	if itemId then
		for _, params in ipairs( p.conf ) do
			if params[3] > 0 then
				local val = parentArgs[params[1]]
				if val == nil or val == '' then
					local canUseWikidata = nil
					if reqs[params[1]] then
						canUseWikidata = p.matchesWikidataRequirements( itemId, reqs[params[1]] )
					else
						canUseWikidata = true
					end
					if canUseWikidata then
						local wikidataIds = p.getIdsFromWikidata( itemId, 'P'..params[3] )
						if wikidataIds[1] then
							if val == '' and (namespace == 0 or testcases) then
								suppressedIdCat = '[[Category:Wikipedia articles with suppressed authority control identifiers|'..params[1]..']]'
							else
								parentArgs[params[1]] = wikidataIds[1]
	end	end	end	end	end	end	end
	
	--Configured rows
	local rct = 0
	for _, params in ipairs( p.conf ) do
		local val = parentArgs[params[1]]
		if val and val ~= '' then
			table.insert( elements, p.createRow( params[1], params[2]..':', val, params[4]( val ), true, params.category ) )
			rct = rct + 1
		end
	end
	
	--WorldCat
	local worldcatId = parentArgs['WORLDCATID']
	if worldcatId and worldcatId ~= '' then --if present & unsuppressed
		table.insert( elements, p.createRow( 'WORLDCATID', '', worldcatId, '[[WorldCat Identities]]: [https://www.worldcat.org/identities/'..worldcatId..' '..worldcatId..']', false ) ) --Validation?
		worldcatCat = '[[Category:Wikipedia articles with WorldCat identifiers]]'
	elseif worldcatId == nil then --if absent & unsuppressed
		local viafId = parentArgs['VIAF']
		local lccnId = parentArgs['LCCN']
		if viafId and viafId ~= '' and p.viafLink( viafId ) then --VIAF must be present, unsuppressed, & validated
			table.insert( elements, p.createRow( 'VIAF', '', viafId, '[[WorldCat Identities]] (via VIAF): [https://www.worldcat.org/identities/containsVIAFID/'..viafId..' '..viafId..']', false ) )
			if namespace == 0 then 
				worldcatCat = '[[Category:Wikipedia articles with WorldCat-VIAF identifiers]]'
			end
		elseif lccnId and lccnId ~= '' and p.lccnLink( lccnId ) then --LCCN must be present, unsuppressed, & validated
			local lccnParts = p.splitLccn( lccnId )
			if lccnParts and lccnParts[1] ~= 'sh' then
				local lccnIdFmtd = lccnParts[1]..lccnParts[2]..'-'..lccnParts[3]
				table.insert( elements, p.createRow( 'LCCN', '', lccnId, '[[WorldCat Identities]] (via LCCN): [https://www.worldcat.org/identities/lccn-'..lccnIdFmtd..' '..lccnIdFmtd..']', false ) )
				if namespace == 0 then 
					worldcatCat = '[[Category:Wikipedia articles with WorldCat-LCCN identifiers]]'
				end
			end
		end
	elseif worldcatId == '' then --if suppressed
		suppressedIdCat = '[[Category:Wikipedia articles with suppressed authority control identifiers|WORLDCATID]]'
	end
	
	local Navbox = require('Module:Navbox')
	local elementsCat = ''
	if rct >= 25 then
		local eCat = 'AC with '..rct..' elements'
		elementsCat  = '[[Category:'..eCat..']]'..p.redCatLink(eCat)
	end
	
	local outString = ''
	if #elements > 0 then
		local args = {}
		if testcases and itemId then args = { qid = itemId } end --expensive
		local pencil = frame:expandTemplate{ title = 'EditAtWikidata', args = args}
		outString = Navbox._navbox( {
			name  = 'Authority control',
			navboxclass = 'authority-control',
			bodyclass = 'hlist',
			group1 = '[[Help:Authority control|Authority control]]'..pencil,
			list1 = table.concat( elements )
			} )
		local auxCats = worldcatCat .. elementsCat .. suppressedIdCat .. deprecatedIdCat
		if testcases then
			auxCats = mw.ustring.gsub(auxCats, '(%[%[)(Category)', '%1:%2') --for easier checking
		end
		outString = outString .. auxCats
		if namespace ~= 0 then
			outString = mw.ustring.gsub(outString, '(%[%[)(Category:Wikipedia articles)', '%1:%2') --by definition
		end
	end
	
	return outString
end

return p