    # File lib/compass/installers/base.rb, line 147
          def install_html(from, to, options)
            if to =~ /\.haml$/
              require 'haml'
              to = to[0..-(".haml".length+1)]
              if respond_to?(:install_location_for_html)
                to = install_location_for_html(to, options)
              end
              contents = File.read(templatize(from))
              if options.delete(:erb)
                ctx = TemplateContext.ctx(:to => to, :options => options)
                contents = process_erb(contents, ctx)
              end
              Compass.configure_sass_plugin!
              html = Haml::Engine.new(contents, :filename => templatize(from)).render
              write_file(targetize(to), html, options)
            else
              install_html_without_haml(from, to, options)
            end
          end