pbm_scan_index   7579 src/image.c    	      r = g = b = pbm_scan_index (&p, two_byte);
pbm_scan_index   7584 src/image.c    		r = pbm_scan_index (&p, two_byte);
pbm_scan_index   7585 src/image.c    		g = pbm_scan_index (&p, two_byte);
pbm_scan_index   7586 src/image.c    		b = pbm_scan_index (&p, two_byte);