# File lib/deltacloud/helpers/application_helper.rb, line 177
  def link_to_documentation
    return '' unless request.env['REQUEST_URI']
    uri = request.env['REQUEST_URI'].dup
    uri.gsub!(Sinatra::UrlForHelper::DEFAULT_URI_PREFIX,
              api_url_for(:docs)) unless uri.include?("docs") #i.e. if already serving under /api/docs, leave it be
    '<a href="%s">[ Documentation ]</a>' % uri
  end