Editing Template:C-SPAN

{{#if:{{{1|}}}
 |[https://www.c-span.org/person/?{{lc:{{#invoke:String|replace|source={{{1}}}|pattern=%s|replace=|plain=no}}}} Appearances] on [[C-SPAN]]{{Namespace detect|main=[[Category:People appearing on C-SPAN]]}}{{#if:{{#invoke:String|match|s={{{1}}}|pattern=^[0-9][0-9]*$|plain=no|ignore_errors=true}}|
  |{{#ifeq:{{ROOTPAGENAME}}|C-SPAN|
   |[[Category:Pages using non-numeric C-SPAN identifiers]]
  }}{{preview warning|Invalid or deprecated input format; use a numeric C-SPAN ID with no leading zeros}}
 }}
 |{{#if:{{wikidata|property|P2190}}
  |[https://www.c-span.org/person/?{{wikidata|property|P2190}} Appearances] on [[C-SPAN]] {{Edit at Wikidata|pid=P2190}}{{Namespace detect|main=[[Category:People appearing on C-SPAN]]}}
  |{{#ifeq:{{ROOTPAGENAME}}|C-SPAN|
   |[[Category:C-SPAN template failing to display]]
  }}{{preview warning|No Wikidata value found as fallback; add a valid C-SPAN ID to this template or this page's Wikidata item}}
 }}
}}<noinclude>
{{Documentation}}
</noinclude>