identification of mixwd content

Hello,

I am using saxon 7.0, and i am using XSLT 2.0 for doing identification, the
question is the following, imagine a data example like:
<root>
   <A>data1<B>content1</B>data2<A>
   <A>data2<B>content2</B>data1<A>
   <A>data1<B>content3</B>data2<A>
   <A>data2<B>content4</B>data1<A>
</root>

For example, and I want to identify A nodes by their child nodes, using text
I get just the first node and using current I get all text nodes:

   <xsl:for-each-group select = "child::ROOM" group-by = "???????">
     <xsl:call-template name = "TRS-PLACE-ROOM"/>
   </xsl:for-each-group>
Thanks,
I.Vera


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