anchor.diff:  
       CREATE OBJECT go_user.
   
  -    ro_html->add( header( ) ).
  +    ro_html->add( header( io_include_style = styles( ) ) ).
       ro_html->add( title( iv_page_title = 'MAIN' io_menu = build_menu( ) ) ).
   
       TRY.
  
positive.code:     DATA lo_html TYPE REF TO lcl_html_helper.
      CREATE OBJECT lo_html.
  
      lo_html->add( '<style type="text/css">' ).              "#EC NOTEXT
      lo_html->add( '/* DIFF */' ).                           "#EC NOTEXT
      lo_html->add( 'div.diff {' ).                           "#EC NOTEXT
      lo_html->add( '  background-color: #f2f2f2;' ).         "#EC NOTEXT
  
negative.code: 
      CREATE OBJECT ro_html.
  
      ro_html->add( '<div id="footer">' ).                      "#EC NOTEXT
      ro_html->add( |<img src="{ get_logo_src( ) }" >| ).       "#EC NOTEXT
      ro_html->add( |<span class="version">{ gc_abap_version }</span>| )."#EC NOTEXT
      ro_html->add( '</div>' ).                                 "#EC NOTEXT
      ro_html->add( '</body>' ).                                "#EC NOTEXT
  
      IF io_include_script IS BOUND.
        ro_html->add( io_include_script ).
      ENDIF.
  
      ro_html->add( '</html>').                                 "#EC NOTEXT
  
    ENDMETHOD.                    "render html footer & logo
  
  