code: def p_print_list_expr(p):
      
      if p[1] in ('BOLD', 'ITALIC'):
          p[0] = make_sentence(p[1] + '_TMP',
                               make_typecast(TYPE.ubyte, p[2], p.lineno(1)))
      else:
          p[0] = p[1]
docs: print_elem : expr
                     | print_at
                     | print_tab
                     | attr
                     | BOLD expr
                     | ITALIC expr