Catmandu::Fix::isbn133pm

Normalize the isbn value of a key in 13-digit form

Usage

  # Normalize the ISBN value of isbn_field.
  # e.g. isbn_field => '1565922573'
  isbn13(isbn_field) # isbn_field => '978-1-56592-257-0'

Unchanged in 2 releases since Debian 12 (Bookworm).