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 and their use in article and category maintenance. They are not part of the encyclopedia's categorization scheme.
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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]
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Pages in category "CS1 errors: ISSN"
The following 8 pages are in this category, out of 8 total. This list may not reflect recent changes (learn more).