dc.contributor.author,birthdate,dc.identifier.issn,dc.identifier.isbn,dc.language.iso
 Leading space,2019-07-29,,,
Trailing space ,2019-07-29,,,
Excessive  space,2019-07-29,,,
Miscellaenous ||whitespace | issues ,2019-07-29,,,
Duplicate||Duplicate,2019-07-29,,,
Invalid ISSN,2019-07-29,2321-2302,,
Invalid ISBN,2019-07-29,,978-0-306-40615-6,
Multiple valid ISSNs,2019-07-29,0378-5955||0024-9319,,
Multiple valid ISBNs,2019-07-29,,99921-58-10-7||978-0-306-40615-7,
Invalid date,2019-07-260,,,
Multiple dates,2019-07-26||2019-01-10,,,
Invalid multi-value separator,,0378-5955|0024-9319,,
Unnecessary Unicode​,2019-07-29,,,
Suspicious character||foreˆt,2019-07-29,,,
Invalid ISO 639-2 language,2019-07-29,,,jp
Invalid ISO 639-3 language,2019-07-29,,,chi
Invalid language,2019-07-29,,,Span