VS category and some of its constructors

lib/resource/bulgarian/ParadigmsBul.gf

@@ -81,7 +81,8 @@ oper
   dirV3    : V -> Prep -> V3 ;           -- give,_,to
   dirdirV3 : V -> V3 ;                   -- give,_,_
 
-
+  mkVS  : V -> VS ;
+  
   mkPN : Str -> Gender -> PN ;
   
   
@@ -97,6 +98,8 @@ oper
   dirV3 v p = mkV3 v noPrep p ;
   dirdirV3 v = dirV3 v noPrep ;
   
+  mkVS  v = v ** {lock_VS = <>} ;
+  
   mkPN s g = {s = s; g = g ; lock_PN = <>} ;
 
 }