Putting def definitions in place.

src/GF/Canon/SkelGFC.hs

@@ -1,7 +1,5 @@
 module SkelGFC where
 
-import Ident
-
 -- Haskell module generated by the BNF converter
 
 import AbsGFC
@@ -13,7 +11,7 @@ failure x = Bad $ "Undefined case: " ++ show x
 
 transIdent :: Ident -> Result
 transIdent x = case x of
-  _  -> failure x
+  Ident str  -> failure x
 
 
 transCanon :: Canon -> Result
@@ -83,6 +81,7 @@ transExp x = case x of
   EProd id exp0 exp  -> failure x
   EAbs id exp  -> failure x
   EAtom atom  -> failure x
+  EData  -> failure x
   EEq equations  -> failure x