diff --git a/spec/coradoc/document/attribute_spec.rb b/spec/coradoc/document/attribute_spec.rb
index 6b36de6..e4057ce 100644
--- a/spec/coradoc/document/attribute_spec.rb
+++ b/spec/coradoc/document/attribute_spec.rb
@@ -11,5 +11,15 @@
       expect(attribute.key).to eq(key)
       expect(attribute.value).to eq(value)
     end
+
+    it "exposes comma separated values as an array" do
+      key = "comma-separted-values"
+      value = "html,pdf,xml, adoc"
+
+      attribute = Coradoc::Document::Attribute.new(key, value)
+
+      expect(attribute.key).to eq(key)
+      expect(attribute.value).to eq(value.split(",").map(&:strip))
+    end
   end
 end
diff --git a/spec/coradoc/parser/asciidoc/bibdata_spec.rb b/spec/coradoc/parser/asciidoc/bibdata_spec.rb
index 75fe2e7..c134bc0 100644
--- a/spec/coradoc/parser/asciidoc/bibdata_spec.rb
+++ b/spec/coradoc/parser/asciidoc/bibdata_spec.rb
@@ -9,19 +9,27 @@
         :version: '1.0'
         :oscal-version: 1.0.0
         :remarks: OSCAL from ISO27002:2022
+        :mn-output-extensions: xml,html,doc,html_alt
+        :title-main-fr: Spécification et méthodes d'essai
       DOC
 
-      ast = Asciidoc::BibdataTester.parse(bibdata)
+      ast = Asciidoc::BibdataTester.parse(bibdata).first
 
-      expect(ast.first[:bibdata].count).to eq(5)
-      expect(ast.first[:bibdata][0][:key]).to eq("published")
-      expect(ast.first[:bibdata][0][:value]).to eq("'2023-03-08T09:51:08+08:00'")
+      expect(ast[:bibdata].count).to eq(7)
+      expect(ast[:bibdata][0][:key]).to eq("published")
+      expect(ast[:bibdata][0][:value]).to eq("'2023-03-08T09:51:08+08:00'")
 
-      expect(ast.first[:bibdata][2][:key]).to eq("version")
-      expect(ast.first[:bibdata][2][:value]).to eq("'1.0'")
+      expect(ast[:bibdata][2][:key]).to eq("version")
+      expect(ast[:bibdata][2][:value]).to eq("'1.0'")
 
-      expect(ast.first[:bibdata][4][:key]).to eq("remarks")
-      expect(ast.first[:bibdata][4][:value]).to eq("OSCAL from ISO27002:2022")
+      expect(ast[:bibdata][4][:key]).to eq("remarks")
+      expect(ast[:bibdata][4][:value]).to eq("OSCAL from ISO27002:2022")
+
+      expect(ast[:bibdata][5][:key]).to eq("mn-output-extensions")
+      expect(ast[:bibdata][5][:value]).to eq("xml,html,doc,html_alt")
+
+      expect(ast[:bibdata][6][:key]).to eq("title-main-fr")
+      expect(ast[:bibdata][6][:value]).to eq("Spécification et méthodes d'essai")
     end
 
   end