code: def __lstring(self,lstr):
      
      lstr = self.llsrx.sub('',lstr.encode('ascii'))
      lstr = self.rlsrx.sub('',lstr)
      lstr = self.xmltostr.xlat(lstr)
      lstr = self.dlmrx.sub(',',lstr)
      return lstr
docs: Returns a parsed lstring by stripping out and instances of
      the escaped delimiter. Sometimes the raw lstring has whitespace
      and a double quote at the beginning or end. If present, these
      are removed.