anchor.diff:      // prefix-wide minimizations
       config <- 
           if settings.Minimize
  -        then PrefixWide.minimize config
  +        then PrefixWide.minimize cg pb config
           else config    
       (pred, config)
   
  
positive.code:         bprintf sb "\n\n" 
      sb.ToString()
  
  /// Minimization helper functions for reducing the size of 
  /// configurations. Minimization occurs at 3 levels of granularity:
  /// 1. Per product graph node - used during generation for memory efficiency
  
negative.code: 
  module PrefixWide = 
  
      let private allCommMatches filters = 
          Util.List.fold (fun acc f -> 
              match f with 
              | Allow ((Match.State(c,_),_), es) ->
                  Set.add c acc
              | _ -> acc) Set.empty filters
  
      let private allCommTags filters = 
          Util.List.fold (fun acc f -> 
              match f with 
              | Allow ((_,_), es) ->
  