=Corrected the type of Imp because Bool produced False as default hence negative form of Imperative be = taba instead of ba. Why does GF compute for false first by default? Is it data Bool = False | True?

src/rukiga/ResCgg.gf

@@ -35,6 +35,8 @@ param
                           GenPrep2 |
                           GenAdj   |
                           SStandPron ; --Self-standing pronouns
+  
+  ImpPol = ImpPos | ImpNeg;
   {-
     --there are several and i.e. 
     -- na (two nouns, 2 Noun Phrases, 2 Pronouns, 2 relative subject clauses, )