mhshow: properly treat unknown multipart subtypes as "mixed"

diff --git a/uip/mhshowsbr.c b/uip/mhshowsbr.c
index 550669a..80fc9eb 100644 (file)
--- a/uip/mhshowsbr.c
+++ b/uip/mhshowsbr.c
@@ -655,14 +655,11 @@ show_multi (CT ct, int serial, int alternate)
        return show_multi_aux (ct, serial, alternate, cp);
 
     /*
-     * Use default method to display this multipart content
-     * if it is not a (nested) part of a multipart/alternative,
-     * or if it is one of the known subtypes of multipart.
+     * Use default method to display this multipart content.  Even
+     * unknown types are displayable, since they're treated as mixed
+     * per RFC 2046.
      */
-    if (!alternate || ct->c_subtype != MULTI_UNKNOWN)
-       return show_multi_internal (ct, serial, alternate);
-
-    return NOTOK;
+    return show_multi_internal (ct, serial, alternate);
 }