writer.rb in rdf-rdfa-1.1.4.1

- old
+ new

@@ -374,11 +374,11 @@
         ctx.prefixes.each_pair do |k, v|
           @uri_to_prefix[v] = k unless k.to_s == "dcterms"
         end
 
         ctx.terms.each_pair do |k, v|
-          @uri_to_term_or_curie[v] = k
+          @uri_to_term_or_curie[v] = k.to_s
         end
 
         @vocabulary = ctx.vocabulary.to_s if ctx.vocabulary
       end
 
@@ -454,10 +454,9 @@
     # Perform any statement preprocessing required. This is used to perform reference counts and determine required prefixes.
     # @param [RDF::Statement] statement
     # @return [ignored]
     def preprocess_statement(statement)
       #add_debug {"preprocess: #{statement.inspect}"}
-      bump_reference(statement.subject)
       bump_reference(statement.object)
       @subjects[statement.subject] = true
       get_curie(statement.subject)
       get_curie(statement.predicate)
       get_curie(statement.object)