Adding structure to a flat xml

Hello,

I cannot solve following problem:

source:
<root>
 <row>
  <entry name="a">xxx</entry>
  <entry name="b"></entry>
 <row>
<row>
  <entry name="a">xxx</entry>
  <entry name="b">module</entry>
 <row>
<row>
  <entry name="a">xxx</entry>
  <entry name="b">yyy</entry>
 <row>
<row>
  <entry name="a">xxx</entry>
  <entry name="b">yyy</entry>
 <row>
<row>
  <entry name="a">xxx</entry>
  <entry name="b">module</entry>
 <row>
<row>
  <entry name="a">xxx</entry>
  <entry name="b">yyy</entry>
 <row>
<row>
  <entry name="a">xxx</entry>
  <entry name="b">yyy</entry>
 <row>
.....
</root>

and get output:

<root>
 <row>
  <entry name="a">xxx</entry>
  <entry name="b"></entry>
 <row>
<module>
<row>
  <entry name="a">xxx</entry>
  <entry name="b">module</entry>
 <row>
<row>
  <entry name="a">xxx</entry>
  <entry name="b">yyy</entry>
 <row>
<row>
  <entry name="a">xxx</entry>
  <entry name="b">yyy</entry>
 <row>
</module>
<module>
<row>
  <entry name="a">xxx</entry>
  <entry name="b">module</entry>
 <row>
<row>
  <entry name="a">xxx</entry>
  <entry name="b">yyy</entry>
 <row>
<row>
  <entry name="a">xxx</entry>
  <entry name="b">yyy</entry>
 <row>
.....
</module>
</root>

ie. i need to "wrap" all rows to element module starting module node when a
row with entry/[(_at_)name='b']/text()='module'.

Thanks in advance,

martti


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