code: def dump(self,indent='',depth=0):
          
          out = []
          out.append( indent+_ustr(self.asList()) )
          keys = self.items()
          keys.sort()
          for k,v in keys:
              if out:
                  out.append('\n')
              out.append( "%s%s- %s: " % (indent,('  '*depth), k) )
              if isinstance(v,ParseResults):
                  if v.keys():
                      out.append( v.dump(indent,depth+1) )
                  else:
                      out.append(_ustr(v))
              else:
                  out.append(_ustr(v))
          return "".join(out)
docs: Diagnostic method for listing out the contents of a C{ParseResults}.
             Accepts an optional C{indent} argument so that this string can be embedded
             in a nested display of other data.