check save repeat content

@@ -278,7 +278,7 @@ module Kanjai
       params.permit(:page => [:parent_id, :page_template_id, :title, :private_flag, :default_private_page, :root_page, :show_public_only,
                     :page_data_attributes => [:id, :title, :url, :meta_title, :meta_description, :meta_keywords]],
                     :page_content => [:type_content, :text_html, :controller_name, :action_name,
-                      page_content_markers_attributes: [:id, :page_content_id, :marker, :text_value, :attachment_file_name, :form_subject, :form_body, :from_mail, :to_mail, :form_answer_text]
+                      page_content_markers_attributes: [:id, :page_content_id, :marker, :text_value, :attachment_file_name, :form_subject, :form_body, :from_mail, :to_mail, :form_answer_text, :_destroy]
                     ],
                     :page_datum => [:id, :title, :url, :meta_title, :meta_description, :meta_keywords]
                   )

@@ -2,7 +2,7 @@ module Kanjai
   class PageContentMarker < ActiveRecord::Base
     belongs_to :page_content
 
-    belongs_to :reference, polymorphic: true
+    belongs_to :reference, polymorphic: true, optional: true
 
 
     def get_file_path

@@ -53,7 +53,6 @@
     <% end %>
 
     <% row_items = @obj.page_content_markers.select{|item| item.row_item.to_i > 0}.collect(&:row_item).uniq %>
-
     <%  repeat_element = template_part.field_options.select{|item| item[:name] == 'repeat' }.first %>
 
     <% if repeat_element.present? %>

 module Kanjai
-  VERSION = "0.0.104"
+  VERSION = "0.0.105"
 end