Errors

use_warnings
RDF::RDFa::Generator, RDF::RDFa::Generator::HTML::Head, RDF::RDFa::Generator::HTML::Hidden, RDF::RDFa::Generator::HTML::Pretty, RDF::RDFa::Generator::HTML::Pretty::Note
valid_signature
WARNING: This key is not certified with a trusted signature! Primary key fingerprint: 5524 A8FF E3EB 3ACF 85B3 36E8 CEBF 8128 6A2A 7D39