mhshow: properly treat unknown multipart subtypes as "mixed"

Use default method to display this multipart content.  Even
unknown types are displayable, since they're treated as mixed
per RFC 2046.

diff --git a/uip/mhshowsbr.c b/uip/mhshowsbr.c
index c7923c8..7cf276a 100644 (file)
--- a/uip/mhshowsbr.c
+++ b/uip/mhshowsbr.c
@@ -560,14 +560,11 @@ show_multi(CT ct, int alternate)
                return show_multi_aux(ct, 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, alternate);
-
-       return NOTOK;
+       return show_multi_internal(ct, alternate);
 }