preposition stranding in English and Scand

lib/resource-1.0/scandinavian/ExtraScand.gf

@@ -8,4 +8,26 @@ incomplete concrete ExtraScand of ExtraScandAbs = CatScand ** open CommonScand,R
 
     ComplBareVS v s  = insertObj (\\_ => s.s ! Sub) (predV v) ;
 
+    StrandRelSlash rp slash  = {
+      s = \\t,a,p,ag => 
+          rp.s ! ag.gn ! RNom ++ slash.s ! t ! a ! p ! Sub ++ slash.c2 ;
+      c = NPAcc
+      } ;
+    EmptyRelSlash rp slash = {
+      s = \\t,a,p,ag => 
+          slash.s ! t ! a ! p ! Sub ++ slash.c2 ;
+      c = NPAcc
+      } ;
+
+    StrandQuestSlash ip slash = {
+      s = \\t,a,p => 
+            let 
+              cls = slash.s ! t ! a ! p ;
+              who = ip.s ! accusative
+            in table {
+              QDir   => who ++ cls ! Inv ++ slash.c2 ;
+              QIndir => who ++ cls ! Sub ++ slash.c2
+              }
+      } ;
+
 } 

lib/resource-1.0/scandinavian/RelativeScand.gf

@@ -23,15 +23,13 @@ incomplete concrete RelativeScand of Relative =
       c = NPNom
       } ;
 
---- We make this easy by using "som" and preposition stranding. It would be
---- a proble to determine whether $slash$ takes a direct object, since
---- $slash.c2$ is defined to be just a string. 
---
--- The empty relative is left to $ExtScand$.
+-- This rule uses pied piping ("huset i vilket hon bor")
+-- Preposition stranding ("huset som hon bor i")
+-- and the empty relative ("huset hon bor i") are defined in $ExtraScand$.
 
     RelSlash rp slash = {
       s = \\t,a,p,ag => 
-          rp.s ! ag.gn ! RNom ++ slash.s ! t ! a ! p ! Sub ++ slash.c2 ;
+          slash.c2 ++ rp.s ! ag.gn ! RPrep ++ slash.s ! t ! a ! p ! Sub ;
       c = NPAcc
       } ;