anchor.diff:  ;;;;LEGAL
   ;;;;    GPL
   ;;;;
  -;;;;    Copyright Pascal J. Bourguignon 2002 - 2011
  +;;;;    Copyright Pascal J. Bourguignon 2002 - 2012
   ;;;;
   ;;;;    This script is free software; you can redistribute it and/or
   ;;;;    modify it under the terms of the GNU  General Public
  
positive.code: ;;;;USER-INTERFACE:    UNIX
  ;;;;DESCRIPTION
  ;;;;    This module exports some list utility functions.
  ;;;;USAGE
  ;;;;
  ;;;;AUTHORS
  ;;;;    <PJB> Pascal J. Bourguignon <pjb@informatimago.com>
  ;;;;MODIFICATIONS
  ;;;;    2012-02-19 <PJB> Moved HASHED-* functions that work on sequence to
  ;;;;                     COM.INFORMATIMAGO.COMMON-LISP.CESARUM.SEQUENCE.
  ;;;;    2011-04-03 <PJB> Added LIST-LENGTHS.
  
negative.code:            "EQUIVALENCE-CLASSES" "SUBSETS" "COMBINE" "IOTA"
             "MAKE-LIST-OF-RANDOM-NUMBERS" "LIST-INSERT-SEPARATOR"
             "NSPLIT-LIST-ON-INDICATOR" "NSPLIT-LIST" "DEEPEST-REC" "DEEPEST" "DEPTH"
             "FLATTEN" "LIST-TRIM" "TRANSPOSE" "AGET" "MEMQ"
             "PLIST-KEYS" "PLIST-REMOVE" "PLIST-GET"
             "PLIST-PUT" "HASHED-INTERSECTION"
             ;; "HASHED-REMOVE-DUPLICATES" moved to COM.INFORMATIMAGO.COMMON-LISP.CESARUM.SEQUENCE
             "ENSURE-LIST" "PROPER-LIST-P" "LIST-LENGTHS"
  