Help:Magic links

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Magic links are automatic links for certain unique identifiers that require no markup.


The International Standard Book Number (ISBN) is a unique numeric commercial book identifier. The created link is to Special:BookSources. The allowable formats are:

  • 10 or 13 digits
  • optional delimiting hyphens or spaces
  • 1 check character
Markup Renders as
ISBN 978-0-306-40615-7
ISBN 1413304540


A PMID (PubMed identifier or PubMed unique identifier) is a unique number assigned to a PubMed record.

Markup Renders as
PMID 11209037


a Request for Comments (RFC) is a memorandum published by the Internet Engineering Task Force (IETF).

Markup Renders as
RFC 5620

Suppressing the link

If no link is desired, insert <nowiki /> between the identifier and the value.

Markup Renders as
ISBN <nowiki />978-0-306-40615-7

ISBN 978-0-306-40615-7


Magic links are rendered by Parser.php. The links for PMID and RFC are rendered by MediaWiki interface pages: