Sync common files.

Author: gkellogg

common/extract-examples.rb

@@ -18,6 +18,9 @@
 require 'yaml'
 require 'cgi'
 
+# Define I18N vocabulary
+class RDF::Vocab::I18N < RDF::Vocabulary("https://www.w3.org/ns/i18n#"); end unless RDF::Vocab.const_defined?(:I18N)
+
 # FIXME: This is here until the rdf:JSON is added in RDF.rb
 unless RDF::RDFV.properties.include?( RDF.to_uri + 'JSON')
   RDF::RDFV.property :JSON, label: "JSON", comment: "JSON datatype"