View source for Template:Authority control

{{#invoke:Authority control|authorityControl}}<noinclude>{{Documentation}}</noinclude><includeonly><!-- tracking categories to compare with Wikidata 
-->{{#switch:{{NAMESPACE}}||{{ns:14}}=<!-- Only articles and categories. 
-->{{#invoke:Check for unknown parameters|check|unknown=[[Category:Pages using authority control with parameters]]}}<!--
-->{{#ifeq:{{{VIAF|}}}|
    |<!-- empty or no VIAF in template -->
    |<!-- VIAF in template 
  -->{{#ifeq:{{#property:P214}}|
      |<!-- no property P214 at Wikidata --> [[Category:VIAF not on Wikidata]] <!-- These we still need to import -->
      |<!-- property P214 at Wikidata    --> 
       {{#ifeq:{{{VIAF|}}}|{{#property:P214}}
        |<!-- same ID: We want to end up here -->
        |[[Category:VIAF different on Wikidata]] <!-- Figure out the best link, FIXME: multiple values on Wikidata -->
       }}
     }}
  }}
}}</includeonly>