# File lib/asciidoctor/abstract_node.rb, line 237
  def remove_role(name)
    if (val = @attributes['role']).nil_or_empty?
      false
    elsif (val = val.split).delete name
      if val.empty?
        @attributes.delete('role')
      else
        @attributes['role'] = val * ' '
      end
      true
    else
      false
    end
  end