- if @type == :visible
  %indexterm>
    %primary=@text
  =@text
- else
  - terms = (attr :terms)
  - numterms = terms.size
  - if numterms > 2
    %indexterm<
      %primary=terms[0]
      %secondary>=terms[1]
      %tertiary>=terms[2]
  - if numterms > 1
    %indexterm<
      %primary=terms[numterms - 2]
      %secondary>=terms[numterms - 1]
  %indexterm<
    %primary=terms[numterms - 1]