(Som) Add the structure and placeholders for Somali RG

src/somali/AdjectiveSom.gf

@@ -0,0 +1,56 @@
+concrete AdjectiveSom of Adjective = CatSom ** open ResSom, Prelude in {
+
+  flags optimize=all_subs ;
+
+  lin
+-- The principal ways of forming an adjectival phrase are
+-- positive, comparative, relational, reflexive-relational, and
+-- elliptic-relational.
+
+  -- : A  -> AP ;
+  PositA a = a ;
+
+  -- : A  -> NP -> AP ;
+  -- ComparA a np = a ** {
+  --   s    = \\agr => np.s ! Abs ++ "ka" ++ a.s ! AF Compar ;
+  --   } ;
+
+  -- : A2 -> NP -> AP ;  -- married to her
+  -- ComplA2 a2 np = a2 ** { } ;
+
+  -- : A2 -> AP ;        -- married to itself
+  -- ReflA2 a2 = a2 ** { } ;
+
+  -- : A2 -> AP ;        -- married
+  UseA2 = PositA ;
+
+  -- : A  -> AP ;     -- warmer
+  --UseComparA a = a ** {} ;
+
+
+  -- : CAdv -> AP -> NP -> AP ; -- as cool as John
+  -- CAdvAP adv ap np = ap ** { } ;
+
+-- The superlative use is covered in $Ord$.
+
+  -- : Ord -> AP ;       -- warmest
+  -- AdjOrd ord = ord ** {} ;
+
+-- Sentence and question complements defined for all adjectival
+-- phrases, although the semantics is only clear for some adjectives.
+
+  -- : AP -> SC -> AP ;  -- good that she is here
+  -- SentAP  ap sc = ap ** { } ;
+
+-- An adjectival phrase can be modified by an *adadjective*, such as "very".
+
+  -- : AdA -> AP -> AP ;
+  -- AdAP ada ap = ap ** { } ;
+
+
+-- It can also be postmodified by an adverb, typically a prepositional phrase.
+
+  -- : AP -> Adv -> AP ; -- warm by nature
+  -- AdvAP  ap adv = ap ** {} ;
+
+}