added GN & SN categories for constructing names

src/somali/CatSom.gf

@@ -118,7 +118,7 @@ concrete CatSom of Cat = CommonX - [Adv,IAdv] ** open ResSom, Prelude in {
     N = ResSom.Noun ;
     N2 = ResSom.Noun2 ;
     N3 = ResSom.Noun3 ;
-    PN = ResSom.PNoun ;
+    GN, SN, PN = ResSom.PNoun ;
 
     Adv = ResSom.Adverb ; -- Preposition of an adverbial can merge with obligatory complements of the verb.
 

src/somali/ExtendSom.gf

@@ -16,4 +16,11 @@ lin
   -- FocusAdv : Adv -> S       -> Utt ;   -- today I will sleep
   -- FocusAdV : AdV -> S       -> Utt ;   -- never will I sleep
   -- FocusAP  : AP  -> NP      -> Utt ;   -- green was the tree
+
+lin GivenName, Surname = \n -> n ;
+lin FullName gn sn = {
+       s = gn.s ++ sn.s ;
+       a = gn.a
+    } ;
+
 } ;