some adjustments in romance

lib/resource-1.0/romance/DiffRomance.gf

@@ -11,7 +11,7 @@ interface DiffRomance = open CommonRomance, Prelude in {
 --2 Constants whose definitions fundamentally depend on language
 
 -- Prepositions that fuse with the article
--- (Fre, Spa "de", "a"; Ita also "in", "con").
+-- (Fre, Spa "de", "a"; Ita also "con", "da", "in", "su).
 
   param Prep ;
 

lib/resource-1.0/romance/ExtEngAbs.gf

@@ -1,15 +0,0 @@
-abstract ExtEngAbs = Cat ** {
-
-  cat
-    Aux ;  -- auxiliary verbs: "can", "must", etc
-
--- Notice that $Aux$ cannot form $VP$ with infinitive, imperative, etc.
-
-  fun
-    PredAux  : NP -> Aux -> VP -> Cl ;
-    QuestAux : IP -> Aux -> VP -> QCl ;
-
-    can_Aux  : Aux ;
-    must_Aux : Aux ;
-
-}

lib/resource-1.0/romance/ExtScandAbs.gf

@@ -1,9 +0,0 @@
-abstract ExtRomanceAbs = Cat ** {
-
-  fun
-
--- Definite form of simple nouns without article; neither $Num$ nor $Ord$ allowed.
-
-    DefSgN, DefPlN : Predef -> N -> NP ; 
-
-}