anchor.diff:  
   
   
  -CLASS ZCL_ABAPGIT_HTML_VIEWER_GUI IMPLEMENTATION.
  +CLASS zcl_abapgit_html_viewer_gui IMPLEMENTATION.
   
   
     METHOD constructor.
  
positive.code:         cntl_error             = 1
          cnht_error_not_allowed = 2
          cnht_error_parameter   = 3
          dp_error_general       = 4 ).
      IF sy-subrc <> 0.
        zcx_abapgit_exception=>raise( 'Error showing URL in HTML viewer' ).
      ENDIF.
  
negative.code:     DATA mo_html_viewer TYPE REF TO cl_gui_html_viewer .
  
      METHODS on_event
        FOR EVENT sapevent OF cl_gui_html_viewer
        IMPORTING
          !action
          !frame
  