Changes for version 0.02 - 2015-07-14
- new fixes is_valid_isbn, is_valid_issn as condition (thanks @phochste)
Modules
condition on validity of isbn numbers
condition on validity of issn numbers
normalize the isbn value of a key in 10-digit form
normalize the isbn value of a key in 13-digit form
normalize the issn value for a given key
Namespace for handling/fixing identifier, e.g. ISBN, ISSN