anchor.diff:                'Category:'
   
               SELECT
  +              id: 'cluster'
  +              name: 'cluster'
                 style: 
                   fontSize: 30
  -              defaultValue: if @props.fresh then null else @data().group
  +              defaultValue: if @props.fresh then null else proposal.cluster
                 for group,i in groups
                   OPTION key: i, value: group, group
               ]
  
positive.code:       return SPAN null
  
      default_group = if subdomain.name == 'bitcoin'
                        'Proposals'
                      else
                        null
      
  
negative.code:     slug = $el.find('#slug').val()
      cluster = $el.find('#cluster').val()
      cluster = null if cluster == ""
  
      active = $el.find('#open_for_discussion:checked').length > 0
      hide_on_homepage = $el.find('#listed_on_homepage:checked').length == 0
  
  