class RDoc::RI::Driver

def add_also_in(out, also_in)
  return if also_in.empty?
  out << RDoc::Markup::Rule.new(1)
  out << RDoc::Markup::Paragraph.new("Also found in:")
  paths = RDoc::Markup::Verbatim.new
  also_in.each do |store|
    paths.parts.push store.friendly_path, "\n"
  end
  out << paths
end