working on resource doc and exx, fixing bugs

src/GF/Grammar/Lookup.hs

@@ -60,8 +60,17 @@ lookupResType gr m c = do
 
         -- used in reused concrete
         CncCat _ _ _ -> return typeType
-        CncFun (Just (_,(cont,val))) _ _ -> return $ mkProd (cont, val, [])
-
+        CncFun (Just (cat,(cont,val))) _ _ -> do
+          val' <- lockRecType cat val 
+          return $ mkProd (cont, val', [])
+        CncFun _ _ _ -> do
+          a  <- abstractOfConcrete gr m
+          mu <- lookupModMod gr a
+          info <- lookupInfo mu c
+          case info of
+            AbsFun (Yes ty) _ -> return $ redirectTerm m ty 
+            AbsCat _ _ -> return typeType
+            _ -> prtBad "cannot find type of reused function" c
         AnyInd _ n        -> lookupResType gr n c
         ResParam _        -> return $ typePType
         ResValue (Yes t)  -> return $ qualifAnnotPar m t