richer extraction syntax

lib/resource/exper/english/IdiomEng.gf

@@ -0,0 +1,30 @@
+concrete IdiomEng of Idiom = CatEng ** open Prelude, ResEng in {
+
+  flags optimize=all_subs ;
+
+  lin
+    ImpersCl vp = mkClause "it" (agrP3 Sg) vp ;
+    GenericCl vp = mkClause "one" (agrP3 Sg) vp ;
+
+    CleftNP np rs = mkClause "it" (agrP3 Sg) 
+      (insertObj (\\_ => rs.s ! np.a)
+        (insertObj (\\_ => np.s ! rs.c) (predAux auxBe))) ;
+
+    CleftAdv ad s = mkClause "it" (agrP3 Sg) 
+      (insertObj (\\_ => conjThat ++ s.s)
+        (insertObj (\\_ => ad.s) (predAux auxBe))) ;
+
+    ExistNP np = 
+      mkClause "there" (agrP3 np.a.n) 
+        (insertObj (\\_ => np.s ! Acc) (predAux auxBe)) ;
+
+    ExistIP ip = 
+      mkQuestion (ss (ip.s ! Nom)) 
+        (mkClause "there" (agrP3 ip.n) (predAux auxBe)) ;
+
+    ProgrVP vp = insertObj (\\a => vp.ad ++ vp.prp ++ vp.s2 ! a) (predAux auxBe) ;
+
+    ImpPl1 vp = {s = "let's" ++ infVP True vp {n = Pl ; p = P1}} ;
+
+}
+