def new
      @svg_file = Cmtool::SvgFile.new

      respond_to do |format|
        format.html # new.html.erb
        format.xml  { render :xml => @svg_file }
      end
    end
def new
      @svg_file = Cmtool::SvgFile.new

      respond_to do |format|
        format.html # new.html.erb
        format.xml  { render :xml => @svg_file }
      end
    end
GET /svg_files/new
 GET /svg_files/new.xml