lib/asciidoctor/iso/front.rb in metanorma-iso-1.3.0 vs lib/asciidoctor/iso/front.rb in metanorma-iso-1.3.1

@@ -9,13 +9,13 @@
 module Asciidoctor
   module ISO
     class Converter < Standoc::Converter
       def metadata_id(node, xml)
         iso_id(node, xml)
-        node.attr("tc-docnumber") and
-          xml.docidentifier(node.attr("tc-docnumber"),
-                            **attr_code(type: "iso-tc"))
+        node&.attr("tc-docnumber")&.split(/,\s*/)&.each do |n|
+          xml.docidentifier(n, **attr_code(type: "iso-tc"))
+        end
         xml.docnumber node&.attr("docnumber")
       end
 
       def iso_id(node, xml)
         return unless node.attr("docnumber")
@@ -43,17 +43,21 @@
         dn += "-#{part}" if part
         dn += "-#{subpart}" if subpart
         dn
       end
 
+      def id_stage_abbr(stage, substage, node)
+        IsoDoc::Iso::Metadata.new("en", "Latn", {}).
+          stage_abbrev(stage, substage, node.attr("iteration"),
+                       node.attr("draft"))
+      end
+
       def id_stage_prefix(dn, node)
         stage = get_stage(node)
         substage = get_substage(node)
         if stage && (stage.to_i < 60 || stage.to_i == 60 && substage.to_i < 60)
-          abbr = IsoDoc::Iso::Metadata.new("en", "Latn", {}).
-            stage_abbrev(stage, substage, node.attr("iteration"), 
-                         node.attr("draft"))
-          dn = "/#{abbr} #{dn}" # prefixes added in cleanup
+          abbr = id_stage_abbr(stage, substage, node)
+          dn = "/#{abbr} #{dn}" unless abbr.nil? || abbr.empty? # prefixes added in cleanup
         else
           dn += ":#{node.attr("copyright-year")}" if node.attr("copyright-year")
         end
         dn
       end