lib/csl/style/group.rb in csl-1.0.0.pre18 vs lib/csl/style/group.rb in csl-1.0.0.pre19

@@ -1,9 +1,30 @@
 module CSL
   class Style
     
+    # The Group rendering element must contain one or more rendering
+    # element (with the exception of {Layout}). Group nodes may carry the
+    # delimiter attribute to separate their child elements, as well as
+    # affixes and display attributes (applied to the output of the group
+    # as a whole) and formatting attributes (transmitted to the enclosed
+    # elements).
+    #
+    # Groups implicitly act as a conditionals: a Group and its child
+    # elements are suppressed if a) at least one rendering element in
+    # the Group calls a variable (either directly or via a macro), and
+    # b) all variables that are called are empty.
     class Group < Node
-      attr_struct *Schema.attr(:affixes, :display, :delimiter)      
+      attr_struct(*Schema.attr(:formatting, :affixes, :display, :delimiter))
+      
+      def delimiter
+        attributes.fetch(:delimiter, '')
+      end
+
+      private
+      
+      def added_child(node)
+        node.attribtes.merge formatting_options
+      end
     end
     
   end
 end
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