!! +var+ +exec+ +string+
$lst_tit line$lst_titend$type_both
  $lst_alias lines
  $(lst_syntax)line $emph numlist$emphend of $emph string$emphend</tt>
  $lst_mean 根据 $emph numlist$emphend 输出 $emph string$emphend 的选定的行. <p>
  !set numlist_type=行
  !read cmd/numlist
  

