Category:Pages_with_ISBN_errors
Category:Pages with ISBN errors
This category is populated by pages and templates that use {{ISBN}} and {{ISBNT}}.
This is a tracking category. It 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. It is not part of the encyclopedia's categorization scheme.
More information:
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Administrators: Please do not delete this category as empty! This category may be empty occasionally or even most of the time. |
In these templates, ISBN parameters are checked for invalid ISBNs as well as extraneous text such as "ISBN", "N/A", "none", dashes (use hyphens instead), lower-case "x" (use "X" instead), and tab characters.
Error messages for erroneous ISBNs look like one of:
- Check
|isbn=
value - Invalid ISBN
- Parameter error in {{isbn}}: Invalid ISBN