anchor.diff:          |  (
           span#selected-glyphs-count(data-bind='text: selectedCount()') 0
           | )
  -      button.btn.btn-info.disabled.dropdown-toggle(
  +      button.btn.btn-danger.disabled.dropdown-toggle(
           data-toggle='dropdown',
           data-bind='css: { disabled: !selectedCount() }'
           )
  
positive.code: 
      .btn-group.pull-right(data-bind='visible: apiMode() && !apiUrl()', style='display:none')
        //- API mode, without URL - `Save session` button
        button.btn.btn-info.disabled(
          data-on-click='api.update',
          data-bind='css: {disabled: !selectedCount()}'): strong
          i.icon-download(data-bind='visible: !saving()')
  
negative.code: 
      .btn-group.pull-right(data-bind='visible: apiMode() && apiUrl()', style='display:none')
        //- API mode, with URL - `Export font` button
        button.btn.btn-danger.disabled(
          data-on-click='api.export',
          data-bind='css: { disabled: !selectedCount() }'): strong
          i.icon-download(data-bind='visible: !saving()')
  