minimal_xname (trunk only)

simple_typename and obj_typename operate on item types rather than
particular objects so have to assume that the item involved has been seen.
That means that simple_typename(obj->otyp) is not suitable; if obj->dknown
hasn't been set, it gives away information.  This adds mininal_xname(obj)
to be used for that purpose.  I'm not aware of any straightforward way to
actually expose the original problem; it's more than hypothetical but not
something anyone's likely to have come across.

     Not fixed:  test driver program reveals that obj_typename(GOLD_PIECE)
and simple_typename(GOLD_PIECE) yield "coin of gold piece".  But I don't
think there's any way to get nethack to show that to the user.

src/worn.c

@@ -498,7 +498,7 @@ outer_break:
 		      buf, distant_name(best,doname));
 		if (autocurse)
 		    pline("%s %s %s %s for a moment.",
-			  s_suffix(Monnam(mon)), simple_typename(best->otyp),
+			  s_suffix(Monnam(mon)), simpleonames(best),
 			  otense(best, "glow"), hcolor(NH_BLACK));
 	    } /* can see it */
 	    m_delay += objects[best->otyp].oc_delay;