# File lib/sup/modes/label-search-results-mode.rb, line 16
  def refine_search
    label_query = @labels.size > 1 ? "(#{@labels.join('||')})" : @labels.first
    query = BufferManager.ask :search, "refine query: ", "+label:#{label_query} "
    return unless query && query !~ /^\s*$/
    SearchResultsMode.spawn_from_query query
  end