Making flat files strucutred hierarchically

Hi,



I am in search for a comfortable way for sructuring flat files.

Please take this source document as an example:



<?xml versio="1.0"?>

<root>

   <title>Titel 1</title>

  <para>Para 1</para>

  <para>Para 2</para>

  <para>Para 3</para>

  <title>Title 2</title>

  <para>Para 1</para>

  <para>Para 2</para>

  <title>Title 3</title>

  <para>Para 1</para>

  <para>Para 2</para>

</root>



After my XSLT 1,0 transformation the output should look like



<?xml versio="1.0"?>

<root>

   <layer>

     <title>Titel 1</title>

     <para>Para 1</para>

     <para>Para 2</para>

     <para>Para 3</para>

  </layer>

  <layer>

    <title>Title 2</title>

    <para>Para 1</para>

    <para>Para 2</para>

  </layer>

  <layer>

    <title>Title 3</title>

    <para>Para 1</para>

    <para>Para 2</para>

  </layer>

</root>



Is there any way to do this? I don't know how to define "take all "para" nodes
up to the next "title" element.....

Can you help me?

Thank you very much in advance.



Wbr,

Roman



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