simple problem tracing

lib/resource-1.0/gf/NounEng.gf

@@ -0,0 +1,37 @@
+concrete NounEng of Noun = CatEng ** open ResEng in {
+
+  flags optimize=all_subs ;
+
+  lin
+    DetCN det cn = {s = \\c => det.s ++ cn.s ! det.n ! c} ** agrP3 det.n ;
+    UsePN pn = pn ** agrP3 Sg ;
+--    UsePron p = p ; --- causes mcfg error, even if expanded
+    UsePron2 p = {s=p.s; a={n=p.a.n;p=p.a.p}} ; --- causes mcfg error, even if expanded
+
+    MkDet pred quant num = {
+      s = pred.s ++ quant.s ++ num.s ; 
+      n = quant.n
+      } ;
+
+    PossPronSg p = {s = p.s ! Gen ; n = Sg} ;
+    PossPronPl p = {s = p.s ! Gen ; n = Pl} ;
+
+    NoNum, NoPredet = {s = []} ;
+    NumInt n = n ;
+
+    DefSg = {s = "the" ; n = Sg} ;
+    DefPl = {s = "the" ; n = Pl} ;
+
+    IndefSg = {s = "a" ; n = Sg} ;
+    IndefPl = {s = []  ; n = Pl} ;
+
+    UseN n = n ;
+
+    ComplN2 f x = {s = \\n,c => f.s ! n ! Nom ++ f.c2 ++ x.s ! c} ;
+    ComplN3 f x = {s = \\n,c => f.s ! n ! Nom ++ f.c2 ++ x.s ! c ; c2 = f.c3} ;
+
+-- structural
+
+    only_Predet = {s = "only"} ;
+
+}