Registration problems:
  symbol ‘`_officer_a_border`’ not in namespace:
   .Call(`_officer_a_border`, r, g, b, a, type, width)
  symbol ‘`_officer_a_ppr`’ not in namespace:
   .Call(`_officer_a_ppr`, text_align, pb, pt, pl, pr, shd_r, shd_g, 
       shd_b, shd_a, btlr_red, btlr_green, btlr_blue, btlr_alpha, 
       type, width)
  symbol ‘`_officer_a_tcpr`’ not in namespace:
   .Call(`_officer_a_tcpr`, vertical_align, text_direction, mb, 
       mt, ml, mr, shd_r, shd_g, shd_b, shd_a, btlr_red, btlr_green, 
       btlr_blue, btlr_alpha, type, width)
  symbol ‘`_officer_css_ppr`’ not in namespace:
   .Call(`_officer_css_ppr`, text_align, pb, pt, pl, pr, shd_r, 
       shd_g, shd_b, shd_a, btlr_red, btlr_green, btlr_blue, btlr_alpha, 
       type, width)
  symbol ‘`_officer_css_tcpr`’ not in namespace:
   .Call(`_officer_css_tcpr`, vertical_align, text_direction, mb, 
       mt, ml, mr, shd_r, shd_g, shd_b, shd_a, btlr_red, btlr_green, 
       btlr_blue, btlr_alpha, type, width)
  symbol ‘`_officer_p_ph`’ not in namespace:
   .Call(`_officer_p_ph`, offx, offy, cx, cy, rot, r, g, b, a)
  symbol ‘`_officer_pml_run_pic`’ not in namespace:
   .Call(`_officer_pml_run_pic`, src, width, height)
  symbol ‘`_officer_pml_table`’ not in namespace:
   .Call(`_officer_pml_table`, x, style_id, col_width, row_height, 
       first_row, last_row, first_column, last_column)
  symbol ‘`_officer_rpr_css`’ not in namespace:
   .Call(`_officer_rpr_css`, fp)
  symbol ‘`_officer_rpr_new`’ not in namespace:
   .Call(`_officer_rpr_new`, compounds)
  symbol ‘`_officer_rpr_p`’ not in namespace:
   .Call(`_officer_rpr_p`, fp)
  symbol ‘`_officer_rpr_w`’ not in namespace:
   .Call(`_officer_rpr_w`, fp)
  symbol ‘`_officer_w_ppr`’ not in namespace:
   .Call(`_officer_w_ppr`, text_align, pb, pt, pl, pr, shd_r, shd_g, 
       shd_b, shd_a, btlr_red, btlr_green, btlr_blue, btlr_alpha, 
       type, width)
  symbol ‘`_officer_w_tcpr`’ not in namespace:
   .Call(`_officer_w_tcpr`, vertical_align, text_direction, mb, 
       mt, ml, mr, shd_r, shd_g, shd_b, shd_a, btlr_red, btlr_green, 
       btlr_blue, btlr_alpha, type, width)
  symbol ‘`_officer_wml_run_pic`’ not in namespace:
   .Call(`_officer_wml_run_pic`, src, width, height)
  symbol ‘`_officer_wml_table`’ not in namespace:
   .Call(`_officer_wml_table`, x, style_id, first_row, last_row, 
       first_column, last_column, no_hband, no_vband)
See chapter ‘System and foreign language interfaces’ in the ‘Writing R
Extensions’ manual.