[xsl] sort and if

["Ilyasov Jienbay" <jienbay@xxxxxxxxxxx>]

hello,

please help with this...
it drives me crazy!

<items>
<item>
<date>011022<date>
</item>
<item>
<date>011021<date>
</item>
<item>
<date>011021<date>
</item>
</items>

i want to *sort* and then put "same as above" or *nothing* if the previouse 
$date is equal to the current $cur_date, something like:

date
-----
011021
same as above(or nothing)
011022

thank you in advance

jian

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