anchor.diff:          columns.push({
             id: 'marking_scheme_' + <%= marking_scheme.id %>,
             content: '<%= marking_scheme.name %>',
  -          sortable: false,
  -          compare: compare_anchor_text,
  +          sortable: true,
  +          compare: compare_numeric_values,
             searchable: false
           });
         <% end %>
  
positive.code:         columns.push({
            id: 'assignment_' + <%= assignment.id %>,
            content: '<%= assignment.short_identifier %>',
            sortable: false,
            compare: compare_anchor_text,
            searchable: false
          });
        <% end %>
  
        <% for grade_entry_from in @grade_entry_forms %>
          columns.push({
            id: 'gef_' + <%= grade_entry_from.id %>,
            content: '<%= grade_entry_from.short_identifier %>',
            sortable: false,
            compare: compare_anchor_text,
            searchable: false
          });
        <% end %>
  
negative.code:     getDefaultProps: function() {
        var columns = [
          {
            id: 'user_name',
            content: '<%= j raw I18n.t('course_summaries_index.user_name') %>',
            sortable: true,
            compare: compare_anchor_text,
            searchable: true
          },
          {
            id: 'first_name',
            content: '<%= j raw I18n.t('course_summaries_index.first_name') %>',
            sortable: true,
            compare: compare_anchor_text,
            searchable: true
          },
          {
            id: 'last_name',
            content: '<%= j raw I18n.t('course_summaries_index.last_name') %>',
            sortable: true,
            compare: compare_anchor_text,
            searchable: true
          }
        ];
        
  