can restructure xml??

hello.
I just started putting my data into xml.
now I only have a xml like ---

<root>
  <list>
    <title>aaa</title>
    <writer>bbb</writer>
    <type>ccc</type>
    <remark>ddd</remark>
    <title>eee</title>
    <writer>fff</writer>
    <type>ggg</type>
    <remark>hhh</remark>
    ...
  </cd>
</list>

my ideal structure is like ---

<root>
  <list>
   <item num="1">
    <title>aaa</title>
    <writer>bbb</writer>
    <type>ccc</type>
    <remark>ddd</remark>
   </item>
   <item num="2">
    <title>eee</title>
    <writer>fff</writer>
    <type>ggg</type>
    <remark>hhh</remark>
   </item>
    ...
  </list>
</root>

is there a way to do this throgh xsl?  any advice and hint will
 be grateful. 

ttkaya

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