app/models/labeling/skos/base.rb in iqvoc-4.0.2 vs app/models/labeling/skos/base.rb in iqvoc-4.0.3

@@ -81,10 +81,10 @@
     'partials/labeling/skos/search_result'
   end
 
   def self.build_from_rdf(subject, predicate, object)
     raise "Labeling::SKOS::Base#build_from_rdf: Subject (#{subject}) must be a Concept." unless subject.is_a?(Concept::Base)
-    raise "Labeling::SKOS::Base#build_from_rdf: Object (#{object}) must be a string literal" unless object =~ /^"(.+)"(@(.+))$/
+    raise "Labeling::SKOS::Base#build_from_rdf: Object (#{object}) must be a string literal" unless object =~ /^"(.+)"(@(.+))?$/
 
     lang = $3
     value = JSON.parse(%Q{["#{$1}"]})[0].gsub("\\n", "\n") # Trick to decode \uHHHHH chars
 
     subject.send(self.name.to_relation_name) << self.new(:target => self.label_class.new(:value => value, :language => lang))