code: def keepOriginalText(s,startLoc,t):
      
      try:
          endloc = getTokensEndLoc()
      except ParseException:
          raise ParseFatalException("incorrect usage of keepOriginalText - may only be called as a parse action")
      del t[:]
      t += ParseResults(s[startLoc:endloc])
      return t
docs: DEPRECATED - use new helper method C{L{originalTextFor}}.
         Helper parse action to preserve original parsed text,
         overriding any nested parse actions.