XML conversion

Hi,

Could anyone please help me to convert XML to XML by using XSLT?

My input xml is:
<Root>
<Students>
<Student>
<RegId>12001</RegId>
<Absences>
<Absence>
<StartDate>2010-11-01</StartDate>
<EndDate>2010-11-02</EndDate>
<NoOfLeave>2</NoOfLeave>
<Category>SIC</Category>
</Absence>

<Absence>
<StartDate>2010-11-03</StartDate>
<EndDate>2010-11-03</EndDate>
<NoOfLeave>1</NoOfLeave>
<Category>SIC</Category>
</Absence>

<Absence>
<StartDate>2010-11-04</StartDate>
<EndDate>2010-11-04</EndDate>
<NoOfLeave>1</NoOfLeave>
<Category>SIC</Category>
</Absence>

<Absence>
<StartDate>2010-11-05</StartDate>
<EndDate>2010-11-05</EndDate>
<NoOfLeave>1</NoOfLeave>
<Category>TRN</Category>
</Absence>

<Absence>
<StartDate>2010-11-06</StartDate>
<EndDate>2010-11-06</EndDate>
<NoOfLeave>1</NoOfLeave>
<Category>SIC</Category>
</Absence>

</Absences>
</Student>
</Students>
</Root>

And, I want out in XML format (by using XSL) as follows:

<Root>
<Students>
<Student>
<RegId>12001</RegId>
<Absences>
<Absence>
<StartDate>2010-11-01</StartDate>
<EndDate>2010-11-04</EndDate>
<NoOfLeave>4</NoOfLeave>
<Category>SIC</Category>
</Absence>

<Absence>
<StartDate>2010-11-05</StartDate>
<EndDate>2010-11-05</EndDate>
<NoOfLeave>1</NoOfLeave>
<Category>TRN</Category>
</Absence>

<Absence>
<StartDate>2010-11-06</StartDate>
<EndDate>2010-11-06</EndDate>
<NoOfLeave>1</NoOfLeave>
<Category>SIC</Category>
</Absence>

</Absences>
</Student>
</Students>
</Root>

Thanks.

Post whatever XSLT you've written so far, maybe we can help you work through any problems you're encountering.

I want the details about of PDF to XML Conversion Steps?

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