1129 	if (i != INVALCOLOR || STRCMP(arg, "NONE") == 0 || !USE_24BIT)  in highlight_set_guifg()
1198 	if (i != INVALCOLOR || STRCMP(arg, "NONE") == 0 || !USE_24BIT)  in highlight_set_guibg()
1260 	if (i != INVALCOLOR || STRCMP(arg, "NONE") == 0 || !USE_24BIT)  in highlight_set_guisp()
1802     cterm_normal_fg_gui_color = INVALCOLOR;  in restore_cterm_colors()
1803     cterm_normal_bg_gui_color = INVALCOLOR;  in restore_cterm_colors()
1804     cterm_normal_ul_gui_color = INVALCOLOR;  in restore_cterm_colors()
1855     HL_TABLE()[idx].sg_gui_fg = INVALCOLOR;  in highlight_clear()
1856     HL_TABLE()[idx].sg_gui_bg = INVALCOLOR;  in highlight_clear()
1857     HL_TABLE()[idx].sg_gui_sp = INVALCOLOR;  in highlight_clear()
1979 	if (HL_TABLE()[idx].sg_gui_fg != INVALCOLOR)  in set_group_colors()
1983 	if (HL_TABLE()[idx].sg_gui_bg != INVALCOLOR)  in set_group_colors()
2202 	return INVALCOLOR;  in color_name2handle()
2213 	if (cterm_normal_fg_gui_color != INVALCOLOR)  in color_name2handle()
2228 	if (cterm_normal_bg_gui_color != INVALCOLOR)  in color_name2handle()
2278 	return INVALCOLOR;  in decode_hex_color()
2285 	return INVALCOLOR;  in decode_hex_color()
2305 	return INVALCOLOR;  in colorname2rgb()
2310 	return INVALCOLOR;  in colorname2rgb()
2322 	    return INVALCOLOR;  in colorname2rgb()
2332     return INVALCOLOR;  in colorname2rgb()
2397     if (color != INVALCOLOR)  in gui_get_color_cmn()
2411     if (color == INVALCOLOR)  in gui_get_color_cmn()
2419     return INVALCOLOR;  in gui_get_color_cmn()
2429 	return INVALCOLOR;  in gui_get_rgb_color_cmn()
2600     at_en.ae_u.cterm.fg_rgb = INVALCOLOR;  in get_cterm_attr_idx()
2601     at_en.ae_u.cterm.bg_rgb = INVALCOLOR;  in get_cterm_attr_idx()
2602     at_en.ae_u.cterm.ul_rgb = INVALCOLOR;  in get_cterm_attr_idx()
2624     if (fg == INVALCOLOR && bg == INVALCOLOR)  in get_tgc_attr_idx()
2636     at_en.ae_u.cterm.ul_rgb = INVALCOLOR;  in get_tgc_attr_idx()
2711 	    new_en.ae_u.gui.fg_color = INVALCOLOR;  in hl_combine_attr()
2712 	    new_en.ae_u.gui.bg_color = INVALCOLOR;  in hl_combine_attr()
2713 	    new_en.ae_u.gui.sp_color = INVALCOLOR;  in hl_combine_attr()
2727 		if (spell_aep->ae_u.gui.fg_color != INVALCOLOR)  in hl_combine_attr()
2729 		if (spell_aep->ae_u.gui.bg_color != INVALCOLOR)  in hl_combine_attr()
2731 		if (spell_aep->ae_u.gui.sp_color != INVALCOLOR)  in hl_combine_attr()
2755 	    new_en.ae_u.cterm.bg_rgb = INVALCOLOR;  in hl_combine_attr()
2756 	    new_en.ae_u.cterm.fg_rgb = INVALCOLOR;  in hl_combine_attr()
2757 	    new_en.ae_u.cterm.ul_rgb = INVALCOLOR;  in hl_combine_attr()
2791 		    if (spell_aep->ae_u.cterm.fg_rgb != INVALCOLOR)  in hl_combine_attr()
2793 		    if (spell_aep->ae_u.cterm.bg_rgb != INVALCOLOR)  in hl_combine_attr()
2796 		if (spell_aep->ae_u.cterm.ul_rgb != INVALCOLOR)  in hl_combine_attr()
3090 	    if (color == INVALCOLOR)  in highlight_color()
3147     if (color == INVALCOLOR)  in highlight_gui_color_rgb()
3226     if (sgp->sg_gui_fg == INVALCOLOR  in set_hl_attr()
3227 	    && sgp->sg_gui_bg == INVALCOLOR  in set_hl_attr()
3228 	    && sgp->sg_gui_sp == INVALCOLOR  in set_hl_attr()
3266 	    && sgp->sg_gui_fg == INVALCOLOR  in set_hl_attr()
3267 	    && sgp->sg_gui_bg == INVALCOLOR  in set_hl_attr()
3268 	    && sgp->sg_gui_sp == INVALCOLOR  in set_hl_attr()
3292 		if (sgp->sg_gui_fg == INVALCOLOR)  in set_hl_attr()
3294 		if (sgp->sg_gui_bg == INVALCOLOR)  in set_hl_attr()
3307 	    at_en.ae_u.cterm.ul_rgb = INVALCOLOR;  in set_hl_attr()
3308 	if (at_en.ae_u.cterm.fg_rgb == INVALCOLOR  in set_hl_attr()
3309 		&& at_en.ae_u.cterm.bg_rgb == INVALCOLOR)  in set_hl_attr()
3486     HL_TABLE()[highlight_ga.ga_len].sg_gui_bg = INVALCOLOR;  in syn_add_group()
3487     HL_TABLE()[highlight_ga.ga_len].sg_gui_fg = INVALCOLOR;  in syn_add_group()
3488     HL_TABLE()[highlight_ga.ga_len].sg_gui_sp = INVALCOLOR;  in syn_add_group()