anchor.diff:  
     ENDMETHOD.                    "parse_commit_request
   
  +  METHOD repo_key_encode.
  +
  +    DATA: lt_fields TYPE tihttpnvp,
  +          ls_field  LIKE LINE OF lt_fields.
  +
  +    ls_field-name = 'KEY'.
  +    ls_field-value = iv_key.
  +    APPEND ls_field TO lt_fields.
  +
  +    rv_string = cl_http_utility=>if_http_utility~fields_to_string( lt_fields ).
  +
  +  ENDMETHOD.                    "repo_key_encode
  +
  +  METHOD repo_key_decode.
  +
  +    DATA: lt_fields TYPE tihttpnvp,
  +          lv_string TYPE string.
  +
  +    FIELD-SYMBOLS: <ls_field> LIKE LINE OF lt_fields.
  +
  +    lv_string = iv_string.     " type conversion
  +    lt_fields = cl_http_utility=>if_http_utility~string_to_fields( lv_string ).
  +
  +    READ TABLE lt_fields ASSIGNING <ls_field> WITH KEY name = 'KEY'.
  +    IF sy-subrc = 0.
  +      rv_key = <ls_field>-value.
  +    ENDIF.
  +
  +  ENDMETHOD.                    "repo_key_decode
   
   ENDCLASS.       "lcl_html_action_utils IMPLEMENTATION
   
  
positive.code:   ENDMETHOD.
  
    METHOD render_head.
      DATA lo_html  TYPE REF TO lcl_html_helper.
      CREATE OBJECT lo_html.
  
      ms_stats = mo_diff->stats( ).
  
      lo_html->add( '<div class="diff_head">' ).              "#EC NOTEXT
      lo_html->add( |<span class="diff_banner diff_ins">+ { ms_stats-insert }</span>| ).
      lo_html->add( |<span class="diff_banner diff_del">- { ms_stats-delete }</span>| ).
      lo_html->add( |<span class="diff_banner diff_upd">~ { ms_stats-update }</span>| ).
      lo_html->add( '<span class="diff_name">' ).             "#EC NOTEXT
      lo_html->add( |{ mv_filename }| ).
      lo_html->add( '</span>' ).                              "#EC NOTEXT
  
negative.code: CLASS lcl_gui_page_stage IMPLEMENTATION.
  
    METHOD constructor.
  
      super->constructor( ).
      mo_repo   = io_repo.
      mo_stage  = lcl_app=>repo_srv( )->get_stage( iv_repo_key = mo_repo->get_key( )
                                                   iv_new      = abap_true ).
    ENDMETHOD.
  
    METHOD render_lines.
  