'how many' has correct standalone form and plural noun

src/malay/QuestionMay.gf

@@ -8,7 +8,9 @@ concrete QuestionMay of Question = CatMay ** open
 -- determiners, with or without a noun.
 lin
   -- : IDet -> CN -> IP ;       -- which five songs
-  IdetCN idet cn = NM.DetCN idet cn ** {sp = idet.sp} ;
+  IdetCN idet cn = NM.DetCN idet cn ** {
+    sp = \\nf => idet.sp ! nf ++ cn.s ! nf
+  } ;
 
   -- : IDet       -> IP ;       -- which five
   IdetIP idet = NM.DetNP idet ** {sp = idet.sp};