Editing Encyclopedia:ISBN (section)

==Linking==
===Template parameter===
An ISBN can be included in templates such as the {{cs1}} series by means of the {{para|isbn}} parameter.

The linking is done internally to the template using a module or a subtemplate. The "ISBN" string links to the article "[[International Standard Book Number]]", and the ISBN itself links to [[Special:BookSources]].

:{{cite book |last=Fishman |first=Stephen |date=May 2006 |title=The Public Domain: How to Find & Use Copyright-free Writings, Music, Art & More |publisher=Nolo |isbn=978-1-4133-0454-1 |edition=3rd |oclc=62742677}}

===ISBN template===
An ISBN may be linked using the {{Tl|ISBN}} template by simply typing "<nowiki>{{ISBN|",  the ISBN, and then the closing "}}</nowiki>" in [[Help:Wikitext|wikitext]], or by inserting the template using the [[wikipedia:VisualEditor|visual editor]] with the ISBN as its first parameter. When you save your edit, the link to [[Special:BookSources]] is created automatically by the template. The template checks the ISBN for length, invalid characters – anything other than numbers, spaces, and hyphens, with "X" permitted as the last character in a 10-digit ISBN – and the proper check digit. If the ISBN is invalid, the template will display a red error message.
{{markup
|<nowiki>{{ISBN|0-14-020652-3}}</nowiki> (valid ISBN)|{{ISBN|0-14-020652-3}}|<nowiki>{{ISBN|020652-3}}</nowiki> (ISBN with wrong length)|{{ISBN|020652-3}}|<nowiki>{{ISBN|0-14-020652-4}}</nowiki> (properly formatted ISBN with wrong checksum digit)|{{ISBN|0-14-020652-4}}}}