Category:CS1 errors: ISSN
This is a tracking categoryIt is used to build and maintain lists of pages—primarily for the sake of the lists themselves. They are not part of the encyclopedia's categorization scheme.
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This category may be empty occasionally or even most of the time.
This is a tracking category for CS1 citations that have ISSN errors.
Citation Style 1 and Citation Style 2 templates that contain
|eissn= are checked to ensure that the ISSN is the proper length (eight digits) and that the final check digit validates according to the ISSN specification. Only one each of ISSN and eISSN is allowed in this field because the whole
|eissn= values are included in the citation's COinS metadata. See also Wikipedia:COinS. The ISSN and eISSN are always rendered as two four-digit numbers separated with a hyphen.
To resolve this error, ensure that the
|eissn= values are correct, that only one value per parameter is used, and that no other text is included (allowable characters are 0-9, X, and -). If the check-digit is a lowercase 'x', change it to an uppercase 'X'.
Pages with this error are automatically placed in Category:CS1 errors: ISSN.[a]
Notes[change | change source]
- Pages in the Book talk, Category talk, Draft, Draft talk, Education Program talk, File talk, Help talk, MediaWiki talk, Module talk, Portal talk, Talk, Template talk, TimedText talk, User, User talk, and Wikipedia talk namespaces are not included in the error tracking categories.
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