update numberformat in pdf

app/views/print_settings/index.html.erb

@@ -26,6 +26,9 @@
         <th>Page width</th>
         <th>Page height</th>
         <th>Print copies</th>
+        <th>Precision</th>
+        <th>Delimiter</th>
+        <th>Heading_space</th>
         <th colspan="3"></th>
       </tr>
     </thead>
@@ -45,6 +48,9 @@
           <td><%= print_setting.page_width %></td>
           <td><%= print_setting.page_height %></td>
           <td><%= print_setting.print_copies %></td>
+          <td><%= print_setting.precision %></td>
+          <td><%= print_setting.delimiter %></td>
+          <td><%= print_setting.heading_space %></td>
           <td><%= link_to 'Show', print_setting %></td>
           <td><%= link_to 'Edit', edit_print_setting_path(print_setting) %></td>
           <td><%= link_to 'Destroy', print_setting, method: :delete, data: { confirm: 'Are you sure?' } %></td>