Complete modifier expansion; bump lychee-action

.github/workflows/link-check.yml

@@ -29,7 +29,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Link Checker
-        uses: lycheeverse/lychee-action@v1
+        uses: lycheeverse/lychee-action@v2
         with:
           args: --config lychee.toml --verbose --no-progress 'docs/**/*.adoc' 'docs/**/*.md' 'README.adoc'
           fail: false

lib/lutaml/lml/document_builder.rb

@@ -72,6 +72,16 @@ def build(key, hash)
       def set_model(model, hash)
         hash = build_members(model, hash)
         set_model_attributes(model, hash)
+        expand_class_specializer(model, hash)
+      end
+
+      # The prefix specializer (`abstract class Foo`) expands to the
+      # canonical `abstract true` declaration (RS 3001 par. Declaration
+      # modifiers); the class-level modifier capture is not a block member.
+      def expand_class_specializer(model, hash)
+        return unless hash[:modifier].to_s == 'abstract' && model.class.attributes.key?(:is_abstract)
+
+        model.is_abstract = true
       end
 
       def set_model_attributes(model, hash)
@@ -293,9 +303,7 @@ def normalize_operation_param(param)
       # generic attribute path).
       def expand_abstract_declaration(model, hash)
         value = hash.delete(:abstract)
-        return unless value && model.class.attributes.key?(:is_abstract)
-
-        model.is_abstract = value.to_s == 'true'
+        model.is_abstract = true if value.to_s == 'true' && model.class.attributes.key?(:is_abstract)
       end
 
       def expand_definition_text(model, hash)

spec/lutaml/lml/element_visibility_spec.rb

@@ -71,6 +71,17 @@ class Leaf { abstract false }
       doc = parse("enum Finish {\n  visibility protected\n  matte\n}\n")
       expect(doc.enums.first.visibility).to eq('protected')
     end
+
+    it 'applies to data_type bodies' do
+      doc = parse("data_type MyString {\n  visibility private\n}\n")
+      expect(doc.data_types.first.visibility).to eq('private')
+    end
+
+    it 'expands the abstract prefix to the canonical declaration' do
+      doc = parse("abstract class Base { }\n")
+      expect(doc.classes.first.is_abstract).to be(true)
+      expect(doc.classes.first.modifier).to eq('abstract')
+    end
   end
 
   describe 'package visibility' do