Some URLs in RDF data from Wikidata contain invalid Unicode. This works with Blazegraph, but other tools are less permissive. So, there should be a way for Munger to ensure that IRIs generated by it are conformant to standards, in particular, be in NFKC form. Example error:
[line: 818877, col: 10] Bad IRI: <http://docs.sevsovet.com.ua/index.php?option=com_k2&view=item&id=312:№-3657-от-160812г-о-реализации-положений-закона-украины-об-основах-государственной-языковой-политики-в-городе-севастополе> Code: 47/NOT_NFKC in QUERY: The IRI is not in Unicode Normal Form KC. [line: 818877, col: 10] Bad IRI: <http://docs.sevsovet.com.ua/index.php?option=com_k2&view=item&id=312:№-3657-от-160812г-о-реализации-положений-закона-украины-об-основах-государственной-языковой-политики-в-городе-севастополе> Code: 56/COMPATIBILITY_CHARACTER in QUERY: Bad character