+ *part_count += 1;
+
+ if (! (GMIME_IS_PART (part) || GMIME_IS_MULTIPART (part) || GMIME_IS_MESSAGE_PART (part))) {
+ fprintf (stderr, "Warning: Not displaying unknown mime part: %s.\n",
+ g_type_name (G_OBJECT_TYPE (part)));
+ return;
+ }
+
+ if (!first)
+ fputs (format->part_sep, stdout);
+
+ format->part (part, part_count);
+