lib/write_xlsx/worksheet.rb in write_xlsx-0.85.5 vs lib/write_xlsx/worksheet.rb in write_xlsx-0.85.6

@@ -5847,13 +5847,14 @@
       set_external_vml_links(vml_drawing_id)
       set_external_comment_links(comment_id) if has_comments?
 
       # The VML o:idmap data id contains a comma separated range when there is
       # more than one 1024 block of comments, like this: data="1,2".
+      data = "#{vml_data_id}"
       (1 .. num_comments_block).each do |i|
-        vml_data_id = "#{vml_data_id},#{vml_data_id + i}"
+        data += ",#{vml_data_id + i}"
       end
-      @vml_data_id = vml_data_id
+      @vml_data_id = data
       @vml_shape_id = vml_shape_id
     end
 
     #
     # Setup external linkage for VML header/footer images.