v1.9.1

CHANGELOG

[v1.9.1] - 2023-10-13 Fri

• Add: update modules.
• Fix [#259]: allow diacritics in any UTF-8 normalization form.
• Fix [#258]: allow authors with 2 dashes in the name.
• Fix [#256]: fix normalization where a misplacced year changes
  the year of original authors.