Found the following significant warnings:
  Rd warning: annotation_raster_tern.Rd:31: missing link ‘geom_raster’
  Rd warning: approved_layers.Rd:18: missing link ‘geom_point’
  Rd warning: approved_layers.Rd:18: missing link ‘geom_path’
  Rd warning: approved_layers.Rd:18: missing link ‘geom_line’
  Rd warning: approved_layers.Rd:18: missing link ‘geom_label’
  Rd warning: approved_layers.Rd:18: missing link ‘geom_text’
  Rd warning: approved_layers.Rd:18: missing link ‘geom_jitter’
  Rd warning: approved_layers.Rd:18: missing link ‘geom_polygon’
  Rd warning: approved_layers.Rd:18: missing link ‘geom_segment’
  Rd warning: approved_layers.Rd:18: missing link ‘geom_count’
  Rd warning: approved_layers.Rd:18: missing link ‘geom_curve’
  Rd warning: approved_layers.Rd:18: missing link ‘geom_blank’
  Rd warning: approved_layers.Rd:18: missing link ‘geom_rect’
  Rd warning: approved_layers.Rd:23: missing link ‘stat_identity’
  Rd warning: approved_layers.Rd:23: missing link ‘stat_sum’
  Rd warning: approved_layers.Rd:23: missing link ‘stat_unique’
  Rd warning: approved_layers.Rd:28: missing link ‘position_identity’
  Rd warning: coord_tern.Rd:36: missing link ‘geom_segment’
  Rd warning: geom_Xline.Rd:136: missing link ‘geom_hline’
  Rd warning: geom_Xline.Rd:137: missing link ‘geom_vline’
  Rd warning: geom_confidence_tern.Rd:107: missing link ‘ilr’
  Rd warning: geom_confidence_tern.Rd:118: missing link ‘stat_contour’
  Rd warning: geom_hex_tern.Rd:110: missing link ‘aes_position’
  Rd warning: geom_hex_tern.Rd:110: missing link ‘aes_colour_fill_alpha’
  Rd warning: geom_hex_tern.Rd:110: missing link ‘aes_group_order’
  Rd warning: geom_hex_tern.Rd:110: missing link ‘aes_linetype_size_shape’
  Rd warning: geom_mean_ellipse.Rd:97: missing link ‘compositions’
  Rd warning: geom_mean_ellipse.Rd:106: missing link ‘stat_contour’
  Rd warning: geom_tri_tern.Rd:97: missing link ‘aes_position’
  Rd warning: geom_tri_tern.Rd:97: missing link ‘aes_colour_fill_alpha’
  Rd warning: geom_tri_tern.Rd:97: missing link ‘aes_group_order’
  Rd warning: geom_tri_tern.Rd:97: missing link ‘aes_linetype_size_shape’
  Rd warning: ggplot_build.Rd:25: missing link ‘benchplot’
  Rd warning: ggplot_gtable.Rd:22: missing link ‘gtable’
  Rd warning: ggplot_gtable.Rd:18: missing link ‘gtable’
  Rd warning: ggtern_labels.Rd:45: missing link ‘xlab’
  Rd warning: ggtern_labels.Rd:45: missing link ‘ylab’
  Rd warning: ggtern_labels.Rd:49: missing link ‘xlab’
  Rd warning: ggtern_labels.Rd:50: missing link ‘ylab’
  Rd warning: ggtern_labels.Rd:89: missing link ‘latex2exp’
  Rd warning: ggtern_package.Rd:36: missing link ‘proto’
  Rd warning: theme_elements.Rd:22: missing link ‘element_rect’
  Rd warning: theme_latex.Rd:22: missing link ‘latex2exp’
  Rd warning: theme_latex.Rd:23: missing link ‘TeX’
  Rd warning: theme_showgrid.Rd:48: missing link ‘element_line’
  Rd warning: theme_showgrid.Rd:48: missing link ‘element_blank’
See ‘/home/hornik/tmp/R.check/r-patched-gcc/Work/PKGS/ggtern.Rcheck/00install.out’ for details.