comparing the attribute values

I am trying to test if the value of an attribute NAME matches that of
the KEY_TABLE_NAME attribute of an ancestor element SERVICE_OBJECT.
...
<xsl:when
test="from-ancestors(SERVICE_OBJECT[from-attributes(KEY_TABLE_NAME)='???'])">

...
What should replace ???
I tried {@NAME} and a few other things but can't make it work.

Youngmee Kim


 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list